Rename dictionary set and get methods

This Cl makes the Get and Set methods consistenly use {G|S}et<Type>For.

BUG=pdfium:596

Review-Url: https://codereview.chromium.org/2334323005
diff --git a/core/fpdfapi/fpdf_edit/cpdf_pagecontentgenerator.cpp b/core/fpdfapi/fpdf_edit/cpdf_pagecontentgenerator.cpp
index 0e4bab1..d3d55b9 100644
--- a/core/fpdfapi/fpdf_edit/cpdf_pagecontentgenerator.cpp
+++ b/core/fpdfapi/fpdf_edit/cpdf_pagecontentgenerator.cpp
@@ -49,14 +49,14 @@
     ProcessImage(buf, pPageObj->AsImage());
   }
   CPDF_Object* pContent =
-      pPageDict ? pPageDict->GetDirectObjectBy("Contents") : nullptr;
+      pPageDict ? pPageDict->GetDirectObjectFor("Contents") : nullptr;
   if (pContent) {
-    pPageDict->RemoveAt("Contents");
+    pPageDict->RemoveFor("Contents");
   }
   CPDF_Stream* pStream = new CPDF_Stream(nullptr, 0, nullptr);
   pStream->SetData(buf.GetBuffer(), buf.GetLength(), FALSE, FALSE);
   m_pDocument->AddIndirectObject(pStream);
-  pPageDict->SetAtReference("Contents", m_pDocument, pStream->GetObjNum());
+  pPageDict->SetReferenceFor("Contents", m_pDocument, pStream->GetObjNum());
 }
 
 CFX_ByteString CPDF_PageContentGenerator::RealizeResource(
@@ -65,12 +65,12 @@
   if (!m_pPage->m_pResources) {
     m_pPage->m_pResources = new CPDF_Dictionary;
     int objnum = m_pDocument->AddIndirectObject(m_pPage->m_pResources);
-    m_pPage->m_pFormDict->SetAtReference("Resources", m_pDocument, objnum);
+    m_pPage->m_pFormDict->SetReferenceFor("Resources", m_pDocument, objnum);
   }
-  CPDF_Dictionary* pResList = m_pPage->m_pResources->GetDictBy(bsType);
+  CPDF_Dictionary* pResList = m_pPage->m_pResources->GetDictFor(bsType);
   if (!pResList) {
     pResList = new CPDF_Dictionary;
-    m_pPage->m_pResources->SetAt(bsType, pResList);
+    m_pPage->m_pResources->SetFor(bsType, pResList);
   }
   m_pDocument->AddIndirectObject(pResourceObj);
   CFX_ByteString name;
@@ -82,7 +82,7 @@
     }
     idnum++;
   }
-  pResList->SetAtReference(name, m_pDocument, pResourceObj->GetObjNum());
+  pResList->SetReferenceFor(name, m_pDocument, pResourceObj->GetObjNum());
   return name;
 }
 
@@ -114,11 +114,11 @@
   }
   CPDF_Stream* pStream = new CPDF_Stream(nullptr, 0, nullptr);
   CPDF_Dictionary* pFormDict = new CPDF_Dictionary;
-  pFormDict->SetAtName("Type", "XObject");
-  pFormDict->SetAtName("Subtype", "Form");
+  pFormDict->SetNameFor("Type", "XObject");
+  pFormDict->SetNameFor("Subtype", "Form");
   CFX_FloatRect bbox = m_pPage->GetPageBBox();
   matrix.TransformRect(bbox);
-  pFormDict->SetAtRect("BBox", bbox);
+  pFormDict->SetRectFor("BBox", bbox);
   pStream->InitStream(data, size, pFormDict);
   buf << "q " << matrix << " cm ";
   CFX_ByteString name = RealizeResource(pStream, "XObject");
@@ -127,7 +127,7 @@
 void CPDF_PageContentGenerator::TransformContent(CFX_Matrix& matrix) {
   CPDF_Dictionary* pDict = m_pPage->m_pFormDict;
   CPDF_Object* pContent =
-      pDict ? pDict->GetDirectObjectBy("Contents") : nullptr;
+      pDict ? pDict->GetDirectObjectFor("Contents") : nullptr;
   if (!pContent)
     return;
 
@@ -167,6 +167,6 @@
   CPDF_Stream* pStream = new CPDF_Stream(nullptr, 0, nullptr);
   pStream->SetData(buf.GetBuffer(), buf.GetLength(), FALSE, FALSE);
   m_pDocument->AddIndirectObject(pStream);
-  m_pPage->m_pFormDict->SetAtReference("Contents", m_pDocument,
-                                       pStream->GetObjNum());
+  m_pPage->m_pFormDict->SetReferenceFor("Contents", m_pDocument,
+                                        pStream->GetObjNum());
 }
diff --git a/core/fpdfapi/fpdf_edit/fpdf_edit_create.cpp b/core/fpdfapi/fpdf_edit/fpdf_edit_create.cpp
index 7ece85a..cab99ec 100644
--- a/core/fpdfapi/fpdf_edit/fpdf_edit_create.cpp
+++ b/core/fpdfapi/fpdf_edit/fpdf_edit_create.cpp
@@ -426,7 +426,7 @@
       m_dwSize = destAcc.GetSize();
       m_pData = (uint8_t*)destAcc.DetachData();
       m_pDict = ToDictionary(pStream->GetDict()->Clone());
-      m_pDict->RemoveAt("Filter");
+      m_pDict->RemoveFor("Filter");
       m_bNewData = TRUE;
       m_bCloned = TRUE;
     } else {
@@ -442,9 +442,9 @@
   // TODO(thestig): Move to Init() and check return value.
   ::FlateEncode(m_Acc.GetData(), m_Acc.GetSize(), &m_pData, &m_dwSize);
   m_pDict = ToDictionary(pStream->GetDict()->Clone());
-  m_pDict->SetAtInteger("Length", m_dwSize);
-  m_pDict->SetAtName("Filter", "FlateDecode");
-  m_pDict->RemoveAt("DecodeParms");
+  m_pDict->SetIntegerFor("Length", m_dwSize);
+  m_pDict->SetNameFor("Filter", "FlateDecode");
+  m_pDict->RemoveFor("DecodeParms");
 }
 
 CPDF_FlateEncoder::CPDF_FlateEncoder(const uint8_t* pBuffer,
@@ -923,7 +923,7 @@
 
   CPDF_Dictionary* pDict = pObj->GetDict();
   if (pObj->IsStream()) {
-    if (pDict && pDict->GetStringBy("Type") == "XRef")
+    if (pDict && pDict->GetStringFor("Type") == "XRef")
       return 0;
     return 1;
   }
@@ -933,7 +933,7 @@
       return 1;
     if (pDict->IsSignatureDict())
       return 1;
-    if (pDict->GetStringBy("Type") == "Page")
+    if (pDict->GetStringFor("Type") == "Page")
       return 1;
   }
 
@@ -993,9 +993,10 @@
   CPDF_FlateEncoder encoder(const_cast<CPDF_Stream*>(pStream->AsStream()),
                             pStream != m_pMetadata);
   CPDF_Encryptor encryptor(pCrypto, objnum, encoder.m_pData, encoder.m_dwSize);
-  if ((uint32_t)encoder.m_pDict->GetIntegerBy("Length") != encryptor.m_dwSize) {
+  if ((uint32_t)encoder.m_pDict->GetIntegerFor("Length") !=
+      encryptor.m_dwSize) {
     encoder.CloneDict();
-    encoder.m_pDict->SetAtInteger("Length", encryptor.m_dwSize);
+    encoder.m_pDict->SetIntegerFor("Length", encryptor.m_dwSize);
   }
   if (WriteDirectObj(objnum, encoder.m_pDict) < 0) {
     return -1;
@@ -1105,10 +1106,10 @@
                                 TRUE);
       CPDF_Encryptor encryptor(m_pCryptoHandler, objnum, encoder.m_pData,
                                encoder.m_dwSize);
-      if ((uint32_t)encoder.m_pDict->GetIntegerBy("Length") !=
+      if ((uint32_t)encoder.m_pDict->GetIntegerFor("Length") !=
           encryptor.m_dwSize) {
         encoder.CloneDict();
-        encoder.m_pDict->SetAtInteger("Length", encryptor.m_dwSize);
+        encoder.m_pDict->SetIntegerFor("Length", encryptor.m_dwSize);
       }
       if (WriteDirectObj(objnum, encoder.m_pDict) < 0) {
         return -1;
@@ -1446,7 +1447,7 @@
       m_dwFlags &= ~FPDFCREATE_INCREMENTAL;
     }
     CPDF_Dictionary* pDict = m_pDocument->GetRoot();
-    m_pMetadata = pDict ? pDict->GetDirectObjectBy("Metadata") : nullptr;
+    m_pMetadata = pDict ? pDict->GetDirectObjectFor("Metadata") : nullptr;
     if (m_dwFlags & FPDFCREATE_OBJECTSTREAM) {
       m_pXRefStream.reset(new CPDF_XRefStream);
       m_pXRefStream->Start();
@@ -1959,7 +1960,7 @@
   }
   m_pIDArray->Add(m_pIDArray->GetObjectAt(0)->Clone());
   if (m_pEncryptDict && !pOldIDArray && m_pParser && bNewId) {
-    if (m_pEncryptDict->GetStringBy("Filter") == "Standard") {
+    if (m_pEncryptDict->GetStringFor("Filter") == "Standard") {
       CFX_ByteString user_pass = m_pParser->GetPassword();
       uint32_t flag = PDF_ENCRYPT_CONTENT;
 
diff --git a/core/fpdfapi/fpdf_font/cpdf_cidfont.cpp b/core/fpdfapi/fpdf_font/cpdf_cidfont.cpp
index df08781..d0549a8 100644
--- a/core/fpdfapi/fpdf_font/cpdf_cidfont.cpp
+++ b/core/fpdfapi/fpdf_font/cpdf_cidfont.cpp
@@ -323,12 +323,12 @@
 }
 
 FX_BOOL CPDF_CIDFont::Load() {
-  if (m_pFontDict->GetStringBy("Subtype") == "TrueType") {
+  if (m_pFontDict->GetStringFor("Subtype") == "TrueType") {
     LoadGB2312();
     return TRUE;
   }
 
-  CPDF_Array* pFonts = m_pFontDict->GetArrayBy("DescendantFonts");
+  CPDF_Array* pFonts = m_pFontDict->GetArrayFor("DescendantFonts");
   if (!pFonts || pFonts->GetCount() != 1)
     return FALSE;
 
@@ -336,7 +336,7 @@
   if (!pCIDFontDict)
     return FALSE;
 
-  m_BaseFont = pCIDFontDict->GetStringBy("BaseFont");
+  m_BaseFont = pCIDFontDict->GetStringFor("BaseFont");
   if ((m_BaseFont.Compare("CourierStd") == 0 ||
        m_BaseFont.Compare("CourierStd-Bold") == 0 ||
        m_BaseFont.Compare("CourierStd-BoldOblique") == 0 ||
@@ -344,15 +344,15 @@
       !IsEmbedded()) {
     m_bAdobeCourierStd = true;
   }
-  CPDF_Dictionary* pFontDesc = pCIDFontDict->GetDictBy("FontDescriptor");
+  CPDF_Dictionary* pFontDesc = pCIDFontDict->GetDictFor("FontDescriptor");
   if (pFontDesc)
     LoadFontDescriptor(pFontDesc);
 
-  CPDF_Object* pEncoding = m_pFontDict->GetDirectObjectBy("Encoding");
+  CPDF_Object* pEncoding = m_pFontDict->GetDirectObjectFor("Encoding");
   if (!pEncoding)
     return FALSE;
 
-  CFX_ByteString subtype = pCIDFontDict->GetStringBy("Subtype");
+  CFX_ByteString subtype = pCIDFontDict->GetStringFor("Subtype");
   m_bType1 = (subtype == "CIDFontType0");
 
   CPDF_CMapManager& manager = GetFontGlobals()->m_CMapManager;
@@ -374,10 +374,10 @@
 
   m_Charset = m_pCMap->m_Charset;
   if (m_Charset == CIDSET_UNKNOWN) {
-    CPDF_Dictionary* pCIDInfo = pCIDFontDict->GetDictBy("CIDSystemInfo");
+    CPDF_Dictionary* pCIDInfo = pCIDFontDict->GetDictFor("CIDSystemInfo");
     if (pCIDInfo) {
       m_Charset =
-          CharsetFromOrdering(pCIDInfo->GetStringBy("Ordering").AsStringC());
+          CharsetFromOrdering(pCIDInfo->GetStringFor("Ordering").AsStringC());
     }
   }
   if (m_Charset != CIDSET_UNKNOWN) {
@@ -391,15 +391,15 @@
     else
       FT_UseCIDCharmap(m_Font.GetFace(), m_pCMap->m_Coding);
   }
-  m_DefaultWidth = pCIDFontDict->GetIntegerBy("DW", 1000);
-  CPDF_Array* pWidthArray = pCIDFontDict->GetArrayBy("W");
+  m_DefaultWidth = pCIDFontDict->GetIntegerFor("DW", 1000);
+  CPDF_Array* pWidthArray = pCIDFontDict->GetArrayFor("W");
   if (pWidthArray)
     LoadMetricsArray(pWidthArray, m_WidthList, 1);
   if (!IsEmbedded())
     LoadSubstFont();
 
   if (m_pFontFile || (GetSubstFont()->m_SubstFlags & FXFONT_SUBST_EXACT)) {
-    CPDF_Object* pmap = pCIDFontDict->GetDirectObjectBy("CIDToGIDMap");
+    CPDF_Object* pmap = pCIDFontDict->GetDirectObjectFor("CIDToGIDMap");
     if (pmap) {
       if (CPDF_Stream* pStream = pmap->AsStream()) {
         m_pStreamAcc.reset(new CPDF_StreamAcc);
@@ -418,11 +418,11 @@
 
   CheckFontMetrics();
   if (IsVertWriting()) {
-    pWidthArray = pCIDFontDict->GetArrayBy("W2");
+    pWidthArray = pCIDFontDict->GetArrayFor("W2");
     if (pWidthArray) {
       LoadMetricsArray(pWidthArray, m_VertMetrics, 3);
     }
-    CPDF_Array* pDefaultArray = pCIDFontDict->GetArrayBy("DW2");
+    CPDF_Array* pDefaultArray = pCIDFontDict->GetArrayFor("DW2");
     if (pDefaultArray) {
       m_DefaultVY = pDefaultArray->GetIntegerAt(0);
       m_DefaultW1 = pDefaultArray->GetIntegerAt(1);
@@ -832,8 +832,8 @@
 }
 
 void CPDF_CIDFont::LoadGB2312() {
-  m_BaseFont = m_pFontDict->GetStringBy("BaseFont");
-  CPDF_Dictionary* pFontDesc = m_pFontDict->GetDictBy("FontDescriptor");
+  m_BaseFont = m_pFontDict->GetStringFor("BaseFont");
+  CPDF_Dictionary* pFontDesc = m_pFontDict->GetDictFor("FontDescriptor");
   if (pFontDesc)
     LoadFontDescriptor(pFontDesc);
 
diff --git a/core/fpdfapi/fpdf_font/cpdf_font.cpp b/core/fpdfapi/fpdf_font/cpdf_font.cpp
index 4747093..d3f8664 100644
--- a/core/fpdfapi/fpdf_font/cpdf_font.cpp
+++ b/core/fpdfapi/fpdf_font/cpdf_font.cpp
@@ -163,11 +163,11 @@
 }
 
 void CPDF_Font::LoadFontDescriptor(CPDF_Dictionary* pFontDesc) {
-  m_Flags = pFontDesc->GetIntegerBy("Flags", PDFFONT_NONSYMBOLIC);
+  m_Flags = pFontDesc->GetIntegerFor("Flags", PDFFONT_NONSYMBOLIC);
   int ItalicAngle = 0;
   FX_BOOL bExistItalicAngle = FALSE;
   if (pFontDesc->KeyExist("ItalicAngle")) {
-    ItalicAngle = pFontDesc->GetIntegerBy("ItalicAngle");
+    ItalicAngle = pFontDesc->GetIntegerFor("ItalicAngle");
     bExistItalicAngle = TRUE;
   }
   if (ItalicAngle < 0) {
@@ -176,17 +176,17 @@
   }
   FX_BOOL bExistStemV = FALSE;
   if (pFontDesc->KeyExist("StemV")) {
-    m_StemV = pFontDesc->GetIntegerBy("StemV");
+    m_StemV = pFontDesc->GetIntegerFor("StemV");
     bExistStemV = TRUE;
   }
   FX_BOOL bExistAscent = FALSE;
   if (pFontDesc->KeyExist("Ascent")) {
-    m_Ascent = pFontDesc->GetIntegerBy("Ascent");
+    m_Ascent = pFontDesc->GetIntegerFor("Ascent");
     bExistAscent = TRUE;
   }
   FX_BOOL bExistDescent = FALSE;
   if (pFontDesc->KeyExist("Descent")) {
-    m_Descent = pFontDesc->GetIntegerBy("Descent");
+    m_Descent = pFontDesc->GetIntegerFor("Descent");
     bExistDescent = TRUE;
   }
   FX_BOOL bExistCapHeight = FALSE;
@@ -200,7 +200,7 @@
   if (m_Descent > 10) {
     m_Descent = -m_Descent;
   }
-  CPDF_Array* pBBox = pFontDesc->GetArrayBy("FontBBox");
+  CPDF_Array* pBBox = pFontDesc->GetArrayFor("FontBBox");
   if (pBBox) {
     m_FontBBox.left = pBBox->GetIntegerAt(0);
     m_FontBBox.bottom = pBBox->GetIntegerAt(1);
@@ -208,11 +208,11 @@
     m_FontBBox.top = pBBox->GetIntegerAt(3);
   }
 
-  CPDF_Stream* pFontFile = pFontDesc->GetStreamBy("FontFile");
+  CPDF_Stream* pFontFile = pFontDesc->GetStreamFor("FontFile");
   if (!pFontFile)
-    pFontFile = pFontDesc->GetStreamBy("FontFile2");
+    pFontFile = pFontDesc->GetStreamFor("FontFile2");
   if (!pFontFile)
-    pFontFile = pFontDesc->GetStreamBy("FontFile3");
+    pFontFile = pFontDesc->GetStreamFor("FontFile3");
   if (!pFontFile)
     return;
 
@@ -277,7 +277,7 @@
 
 void CPDF_Font::LoadUnicodeMap() const {
   m_bToUnicodeLoaded = TRUE;
-  CPDF_Stream* pStream = m_pFontDict->GetStreamBy("ToUnicode");
+  CPDF_Stream* pStream = m_pFontDict->GetStreamFor("ToUnicode");
   if (!pStream) {
     return;
   }
@@ -309,10 +309,10 @@
     return pFont;
   }
   CPDF_Dictionary* pDict = new CPDF_Dictionary;
-  pDict->SetAtName("Type", "Font");
-  pDict->SetAtName("Subtype", "Type1");
-  pDict->SetAtName("BaseFont", fontname);
-  pDict->SetAtName("Encoding", "WinAnsiEncoding");
+  pDict->SetNameFor("Type", "Font");
+  pDict->SetNameFor("Subtype", "Type1");
+  pDict->SetNameFor("BaseFont", fontname);
+  pDict->SetNameFor("Encoding", "WinAnsiEncoding");
   pFont = CPDF_Font::CreateFontF(nullptr, pDict);
   pFontGlobals->Set(pDoc, font_id, pFont);
   return pFont;
@@ -320,13 +320,13 @@
 
 CPDF_Font* CPDF_Font::CreateFontF(CPDF_Document* pDoc,
                                   CPDF_Dictionary* pFontDict) {
-  CFX_ByteString type = pFontDict->GetStringBy("Subtype");
+  CFX_ByteString type = pFontDict->GetStringFor("Subtype");
   std::unique_ptr<CPDF_Font> pFont;
   if (type == "TrueType") {
-    CFX_ByteString tag = pFontDict->GetStringBy("BaseFont").Left(4);
+    CFX_ByteString tag = pFontDict->GetStringFor("BaseFont").Left(4);
     for (size_t i = 0; i < FX_ArraySize(kChineseFontNames); ++i) {
       if (tag == CFX_ByteString(kChineseFontNames[i], 4)) {
-        CPDF_Dictionary* pFontDesc = pFontDict->GetDictBy("FontDescriptor");
+        CPDF_Dictionary* pFontDesc = pFontDict->GetDictFor("FontDescriptor");
         if (!pFontDesc || !pFontDesc->KeyExist("FontFile2"))
           pFont.reset(new CPDF_CIDFont);
         break;
@@ -343,7 +343,7 @@
   }
   pFont->m_pFontDict = pFontDict;
   pFont->m_pDocument = pDoc;
-  pFont->m_BaseFont = pFontDict->GetStringBy("BaseFont");
+  pFont->m_BaseFont = pFontDict->GetStringFor("BaseFont");
   return pFont->Load() ? pFont.release() : nullptr;
 }
 
@@ -396,7 +396,7 @@
 
   if (iBaseEncoding != PDFFONT_ENCODING_ADOBE_SYMBOL &&
       iBaseEncoding != PDFFONT_ENCODING_ZAPFDINGBATS) {
-    CFX_ByteString bsEncoding = pDict->GetStringBy("BaseEncoding");
+    CFX_ByteString bsEncoding = pDict->GetStringFor("BaseEncoding");
     if (bsEncoding.Compare("MacExpertEncoding") == 0 && bTrueType) {
       bsEncoding = "WinAnsiEncoding";
     }
@@ -405,7 +405,7 @@
   if ((!bEmbedded || bTrueType) && iBaseEncoding == PDFFONT_ENCODING_BUILTIN)
     iBaseEncoding = PDFFONT_ENCODING_STANDARD;
 
-  CPDF_Array* pDiffs = pDict->GetArrayBy("Differences");
+  CPDF_Array* pDiffs = pDict->GetArrayFor("Differences");
   if (!pDiffs)
     return;
 
diff --git a/core/fpdfapi/fpdf_font/cpdf_fontencoding.cpp b/core/fpdfapi/fpdf_font/cpdf_fontencoding.cpp
index 6b726f0..2958792 100644
--- a/core/fpdfapi/fpdf_font/cpdf_fontencoding.cpp
+++ b/core/fpdfapi/fpdf_font/cpdf_fontencoding.cpp
@@ -1711,8 +1711,8 @@
   }
 
   CPDF_Dictionary* pDict = new CPDF_Dictionary;
-  pDict->SetAtName("BaseEncoding", "WinAnsiEncoding");
-  pDict->SetAt("Differences", pDiff);
+  pDict->SetNameFor("BaseEncoding", "WinAnsiEncoding");
+  pDict->SetFor("Differences", pDiff);
   return pDict;
 }
 
diff --git a/core/fpdfapi/fpdf_font/cpdf_simplefont.cpp b/core/fpdfapi/fpdf_font/cpdf_simplefont.cpp
index 8c4dc8d..fbc1a64 100644
--- a/core/fpdfapi/fpdf_font/cpdf_simplefont.cpp
+++ b/core/fpdfapi/fpdf_font/cpdf_simplefont.cpp
@@ -102,21 +102,21 @@
 }
 
 FX_BOOL CPDF_SimpleFont::LoadCommon() {
-  CPDF_Dictionary* pFontDesc = m_pFontDict->GetDictBy("FontDescriptor");
+  CPDF_Dictionary* pFontDesc = m_pFontDict->GetDictFor("FontDescriptor");
   if (pFontDesc) {
     LoadFontDescriptor(pFontDesc);
   }
-  CPDF_Array* pWidthArray = m_pFontDict->GetArrayBy("Widths");
+  CPDF_Array* pWidthArray = m_pFontDict->GetArrayFor("Widths");
   m_bUseFontWidth = !pWidthArray;
   if (pWidthArray) {
     if (pFontDesc && pFontDesc->KeyExist("MissingWidth")) {
-      int MissingWidth = pFontDesc->GetIntegerBy("MissingWidth");
+      int MissingWidth = pFontDesc->GetIntegerFor("MissingWidth");
       for (int i = 0; i < 256; i++) {
         m_CharWidth[i] = MissingWidth;
       }
     }
-    size_t width_start = m_pFontDict->GetIntegerBy("FirstChar", 0);
-    size_t width_end = m_pFontDict->GetIntegerBy("LastChar", 0);
+    size_t width_start = m_pFontDict->GetIntegerFor("FirstChar", 0);
+    size_t width_end = m_pFontDict->GetIntegerFor("LastChar", 0);
     if (width_start <= 255) {
       if (width_end == 0 || width_end >= width_start + pWidthArray->GetCount())
         width_end = width_start + pWidthArray->GetCount() - 1;
@@ -136,7 +136,7 @@
   if (!(m_Flags & PDFFONT_SYMBOLIC)) {
     m_BaseEncoding = PDFFONT_ENCODING_STANDARD;
   }
-  CPDF_Object* pEncoding = m_pFontDict->GetDirectObjectBy("Encoding");
+  CPDF_Object* pEncoding = m_pFontDict->GetDirectObjectFor("Encoding");
   LoadPDFEncoding(pEncoding, m_BaseEncoding, &m_CharNames, !!m_pFontFile,
                   m_Font.IsTTFont());
   LoadGlyphMap();
diff --git a/core/fpdfapi/fpdf_font/cpdf_truetypefont.cpp b/core/fpdfapi/fpdf_font/cpdf_truetypefont.cpp
index 25baf45..d54553a 100644
--- a/core/fpdfapi/fpdf_font/cpdf_truetypefont.cpp
+++ b/core/fpdfapi/fpdf_font/cpdf_truetypefont.cpp
@@ -68,7 +68,7 @@
       (m_Flags & PDFFONT_NONSYMBOLIC)) {
     if (!FXFT_Has_Glyph_Names(m_Font.GetFace()) &&
         (!m_Font.GetFace()->num_charmaps || !m_Font.GetFace()->charmaps)) {
-      int nStartChar = m_pFontDict->GetIntegerBy("FirstChar");
+      int nStartChar = m_pFontDict->GetIntegerFor("FirstChar");
       if (nStartChar < 0 || nStartChar > 255)
         return;
 
diff --git a/core/fpdfapi/fpdf_font/cpdf_type1font.cpp b/core/fpdfapi/fpdf_font/cpdf_type1font.cpp
index c316d8d..72fc947 100644
--- a/core/fpdfapi/fpdf_font/cpdf_type1font.cpp
+++ b/core/fpdfapi/fpdf_font/cpdf_type1font.cpp
@@ -80,9 +80,9 @@
 FX_BOOL CPDF_Type1Font::Load() {
   m_Base14Font = PDF_GetStandardFontName(&m_BaseFont);
   if (m_Base14Font >= 0) {
-    CPDF_Dictionary* pFontDesc = m_pFontDict->GetDictBy("FontDescriptor");
+    CPDF_Dictionary* pFontDesc = m_pFontDict->GetDictFor("FontDescriptor");
     if (pFontDesc && pFontDesc->KeyExist("Flags"))
-      m_Flags = pFontDesc->GetIntegerBy("Flags");
+      m_Flags = pFontDesc->GetIntegerFor("Flags");
     else
       m_Flags = m_Base14Font >= 12 ? PDFFONT_SYMBOLIC : PDFFONT_NONSYMBOLIC;
 
diff --git a/core/fpdfapi/fpdf_font/cpdf_type3font.cpp b/core/fpdfapi/fpdf_font/cpdf_type3font.cpp
index 849ad92..6985757 100644
--- a/core/fpdfapi/fpdf_font/cpdf_type3font.cpp
+++ b/core/fpdfapi/fpdf_font/cpdf_type3font.cpp
@@ -38,23 +38,23 @@
 }
 
 FX_BOOL CPDF_Type3Font::Load() {
-  m_pFontResources = m_pFontDict->GetDictBy("Resources");
-  CPDF_Array* pMatrix = m_pFontDict->GetArrayBy("FontMatrix");
+  m_pFontResources = m_pFontDict->GetDictFor("Resources");
+  CPDF_Array* pMatrix = m_pFontDict->GetArrayFor("FontMatrix");
   FX_FLOAT xscale = 1.0f, yscale = 1.0f;
   if (pMatrix) {
     m_FontMatrix = pMatrix->GetMatrix();
     xscale = m_FontMatrix.a;
     yscale = m_FontMatrix.d;
   }
-  CPDF_Array* pBBox = m_pFontDict->GetArrayBy("FontBBox");
+  CPDF_Array* pBBox = m_pFontDict->GetArrayFor("FontBBox");
   if (pBBox) {
     m_FontBBox.left = (int32_t)(pBBox->GetNumberAt(0) * xscale * 1000);
     m_FontBBox.bottom = (int32_t)(pBBox->GetNumberAt(1) * yscale * 1000);
     m_FontBBox.right = (int32_t)(pBBox->GetNumberAt(2) * xscale * 1000);
     m_FontBBox.top = (int32_t)(pBBox->GetNumberAt(3) * yscale * 1000);
   }
-  int StartChar = m_pFontDict->GetIntegerBy("FirstChar");
-  CPDF_Array* pWidthArray = m_pFontDict->GetArrayBy("Widths");
+  int StartChar = m_pFontDict->GetIntegerFor("FirstChar");
+  CPDF_Array* pWidthArray = m_pFontDict->GetArrayFor("Widths");
   if (pWidthArray && (StartChar >= 0 && StartChar < 256)) {
     size_t count = pWidthArray->GetCount();
     if (count > 256)
@@ -66,8 +66,8 @@
           FXSYS_round(pWidthArray->GetNumberAt(i) * xscale * 1000);
     }
   }
-  m_pCharProcs = m_pFontDict->GetDictBy("CharProcs");
-  CPDF_Object* pEncoding = m_pFontDict->GetDirectObjectBy("Encoding");
+  m_pCharProcs = m_pFontDict->GetDictFor("CharProcs");
+  CPDF_Object* pEncoding = m_pFontDict->GetDirectObjectFor("Encoding");
   if (pEncoding) {
     LoadPDFEncoding(pEncoding, m_BaseEncoding, &m_CharNames, FALSE, FALSE);
     if (!m_CharNames.empty()) {
@@ -100,7 +100,7 @@
     return nullptr;
 
   CPDF_Stream* pStream =
-      ToStream(m_pCharProcs ? m_pCharProcs->GetDirectObjectBy(name) : nullptr);
+      ToStream(m_pCharProcs ? m_pCharProcs->GetDirectObjectFor(name) : nullptr);
   if (!pStream)
     return nullptr;
 
diff --git a/core/fpdfapi/fpdf_page/cpdf_colorspace.cpp b/core/fpdfapi/fpdf_page/cpdf_colorspace.cpp
index 759d0f3..88a74f0 100644
--- a/core/fpdfapi/fpdf_page/cpdf_colorspace.cpp
+++ b/core/fpdfapi/fpdf_page/cpdf_colorspace.cpp
@@ -568,16 +568,16 @@
   if (!pDict)
     return FALSE;
 
-  CPDF_Array* pParam = pDict->GetArrayBy("WhitePoint");
+  CPDF_Array* pParam = pDict->GetArrayFor("WhitePoint");
   int i;
   for (i = 0; i < 3; i++)
     m_WhitePoint[i] = pParam ? pParam->GetNumberAt(i) : 0;
 
-  pParam = pDict->GetArrayBy("BlackPoint");
+  pParam = pDict->GetArrayFor("BlackPoint");
   for (i = 0; i < 3; i++)
     m_BlackPoint[i] = pParam ? pParam->GetNumberAt(i) : 0;
 
-  m_Gamma = pDict->GetNumberBy("Gamma");
+  m_Gamma = pDict->GetNumberFor("Gamma");
   if (m_Gamma == 0)
     m_Gamma = 1.0f;
   return TRUE;
@@ -623,16 +623,16 @@
   if (!pDict)
     return FALSE;
 
-  CPDF_Array* pParam = pDict->GetArrayBy("WhitePoint");
+  CPDF_Array* pParam = pDict->GetArrayFor("WhitePoint");
   int i;
   for (i = 0; i < 3; i++)
     m_WhitePoint[i] = pParam ? pParam->GetNumberAt(i) : 0;
 
-  pParam = pDict->GetArrayBy("BlackPoint");
+  pParam = pDict->GetArrayFor("BlackPoint");
   for (i = 0; i < 3; i++)
     m_BlackPoint[i] = pParam ? pParam->GetNumberAt(i) : 0;
 
-  pParam = pDict->GetArrayBy("Gamma");
+  pParam = pDict->GetArrayFor("Gamma");
   if (pParam) {
     m_bGamma = TRUE;
     for (i = 0; i < 3; i++)
@@ -641,7 +641,7 @@
     m_bGamma = FALSE;
   }
 
-  pParam = pDict->GetArrayBy("Matrix");
+  pParam = pDict->GetArrayFor("Matrix");
   if (pParam) {
     m_bMatrix = TRUE;
     for (i = 0; i < 9; i++)
@@ -745,16 +745,16 @@
   if (!pDict)
     return FALSE;
 
-  CPDF_Array* pParam = pDict->GetArrayBy("WhitePoint");
+  CPDF_Array* pParam = pDict->GetArrayFor("WhitePoint");
   int i;
   for (i = 0; i < 3; i++)
     m_WhitePoint[i] = pParam ? pParam->GetNumberAt(i) : 0;
 
-  pParam = pDict->GetArrayBy("BlackPoint");
+  pParam = pDict->GetArrayFor("BlackPoint");
   for (i = 0; i < 3; i++)
     m_BlackPoint[i] = pParam ? pParam->GetNumberAt(i) : 0;
 
-  pParam = pDict->GetArrayBy("Range");
+  pParam = pDict->GetArrayFor("Range");
   const FX_FLOAT def_ranges[4] = {-100 * 1.0f, 100 * 1.0f, -100 * 1.0f,
                                   100 * 1.0f};
   for (i = 0; i < 4; i++)
@@ -852,7 +852,7 @@
   CPDF_Dictionary* pDict = pStream->GetDict();
   if (!m_pProfile->m_pTransform) {  // No valid ICC profile or using sRGB
     CPDF_Object* pAlterCSObj =
-        pDict ? pDict->GetDirectObjectBy("Alternate") : nullptr;
+        pDict ? pDict->GetDirectObjectFor("Alternate") : nullptr;
     if (pAlterCSObj) {
       CPDF_ColorSpace* pAlterCS = CPDF_ColorSpace::Load(pDoc, pAlterCSObj);
       if (pAlterCS) {
@@ -863,7 +863,7 @@
             m_bOwn = TRUE;
           } else {  // No valid alternative colorspace
             pAlterCS->ReleaseCS();
-            int32_t nDictComponents = pDict ? pDict->GetIntegerBy("N") : 0;
+            int32_t nDictComponents = pDict ? pDict->GetIntegerFor("N") : 0;
             if (nDictComponents != 1 && nDictComponents != 3 &&
                 nDictComponents != 4) {
               return FALSE;
@@ -890,7 +890,7 @@
         m_pAlterCS = GetStockCS(PDFCS_DEVICECMYK);
     }
   }
-  CPDF_Array* pRanges = pDict->GetArrayBy("Range");
+  CPDF_Array* pRanges = pDict->GetArrayFor("Range");
   m_pRanges = FX_Alloc2D(FX_FLOAT, m_nComponents, 2);
   for (uint32_t i = 0; i < m_nComponents * 2; i++) {
     if (pRanges)
diff --git a/core/fpdfapi/fpdf_page/cpdf_contentmark.cpp b/core/fpdfapi/fpdf_page/cpdf_contentmark.cpp
index 2e28989..99a1600 100644
--- a/core/fpdfapi/fpdf_page/cpdf_contentmark.cpp
+++ b/core/fpdfapi/fpdf_page/cpdf_contentmark.cpp
@@ -104,7 +104,7 @@
         type == CPDF_ContentMarkItem::DirectDict) {
       CPDF_Dictionary* pDict = mark.GetParam();
       if (pDict->KeyExist("MCID"))
-        return pDict->GetIntegerBy("MCID");
+        return pDict->GetIntegerFor("MCID");
     }
   }
   return -1;
diff --git a/core/fpdfapi/fpdf_page/cpdf_form.cpp b/core/fpdfapi/fpdf_page/cpdf_form.cpp
index 570419f..bf0dade 100644
--- a/core/fpdfapi/fpdf_page/cpdf_form.cpp
+++ b/core/fpdfapi/fpdf_page/cpdf_form.cpp
@@ -19,7 +19,7 @@
   m_pDocument = pDoc;
   m_pFormStream = pFormStream;
   m_pFormDict = pFormStream ? pFormStream->GetDict() : nullptr;
-  m_pResources = m_pFormDict->GetDictBy("Resources");
+  m_pResources = m_pFormDict->GetDictFor("Resources");
   m_pPageResources = pPageResources;
   if (!m_pResources)
     m_pResources = pParentResources;
diff --git a/core/fpdfapi/fpdf_page/cpdf_image.cpp b/core/fpdfapi/fpdf_page/cpdf_image.cpp
index 2b3625b..02e492b 100644
--- a/core/fpdfapi/fpdf_page/cpdf_image.cpp
+++ b/core/fpdfapi/fpdf_page/cpdf_image.cpp
@@ -45,12 +45,12 @@
   if (m_bInline)
     m_pInlineDict = ToDictionary(pDict->Clone());
 
-  m_pOC = pDict->GetDictBy("OC");
+  m_pOC = pDict->GetDictFor("OC");
   m_bIsMask =
-      !pDict->KeyExist("ColorSpace") || pDict->GetIntegerBy("ImageMask");
-  m_bInterpolate = !!pDict->GetIntegerBy("Interpolate");
-  m_Height = pDict->GetIntegerBy("Height");
-  m_Width = pDict->GetIntegerBy("Width");
+      !pDict->KeyExist("ColorSpace") || pDict->GetIntegerFor("ImageMask");
+  m_bInterpolate = !!pDict->GetIntegerFor("Interpolate");
+  m_Height = pDict->GetIntegerFor("Height");
+  m_Width = pDict->GetIntegerFor("Width");
 }
 
 CPDF_Image::~CPDF_Image() {
@@ -86,10 +86,10 @@
   }
 
   CPDF_Dictionary* pDict = new CPDF_Dictionary;
-  pDict->SetAtName("Type", "XObject");
-  pDict->SetAtName("Subtype", "Image");
-  pDict->SetAtInteger("Width", width);
-  pDict->SetAtInteger("Height", height);
+  pDict->SetNameFor("Type", "XObject");
+  pDict->SetNameFor("Subtype", "Image");
+  pDict->SetIntegerFor("Width", width);
+  pDict->SetIntegerFor("Height", height);
   const FX_CHAR* csname = nullptr;
   if (num_comps == 1) {
     csname = "DeviceGray";
@@ -102,15 +102,15 @@
       pDecode->AddInteger(1);
       pDecode->AddInteger(0);
     }
-    pDict->SetAt("Decode", pDecode);
+    pDict->SetFor("Decode", pDecode);
   }
-  pDict->SetAtName("ColorSpace", csname);
-  pDict->SetAtInteger("BitsPerComponent", bits);
-  pDict->SetAtName("Filter", "DCTDecode");
+  pDict->SetNameFor("ColorSpace", csname);
+  pDict->SetIntegerFor("BitsPerComponent", bits);
+  pDict->SetNameFor("Filter", "DCTDecode");
   if (!color_trans) {
     CPDF_Dictionary* pParms = new CPDF_Dictionary;
-    pDict->SetAt("DecodeParms", pParms);
-    pParms->SetAtInteger("ColorTransform", 0);
+    pDict->SetFor("DecodeParms", pParms);
+    pParms->SetIntegerFor("ColorTransform", 0);
   }
   m_bIsMask = FALSE;
   m_Width = width;
@@ -151,10 +151,10 @@
   int32_t bpp = pBitmap->GetBPP();
 
   CPDF_Dictionary* pDict = new CPDF_Dictionary;
-  pDict->SetAtName("Type", "XObject");
-  pDict->SetAtName("Subtype", "Image");
-  pDict->SetAtInteger("Width", BitmapWidth);
-  pDict->SetAtInteger("Height", BitmapHeight);
+  pDict->SetNameFor("Type", "XObject");
+  pDict->SetNameFor("Subtype", "Image");
+  pDict->SetIntegerFor("Width", BitmapWidth);
+  pDict->SetIntegerFor("Height", BitmapHeight);
   uint8_t* dest_buf = nullptr;
   FX_STRSIZE dest_pitch = 0, dest_size = 0, opType = -1;
   if (bpp == 1) {
@@ -166,12 +166,12 @@
       ArgbDecode(pBitmap->GetPaletteArgb(1), set_a, set_r, set_g, set_b);
     }
     if (set_a == 0 || reset_a == 0) {
-      pDict->SetAt("ImageMask", new CPDF_Boolean(TRUE));
+      pDict->SetFor("ImageMask", new CPDF_Boolean(TRUE));
       if (reset_a == 0) {
         CPDF_Array* pArray = new CPDF_Array;
         pArray->AddInteger(1);
         pArray->AddInteger(0);
-        pDict->SetAt("Decode", pArray);
+        pDict->SetFor("Decode", pArray);
       }
     } else {
       CPDF_Array* pCS = new CPDF_Array;
@@ -188,9 +188,9 @@
       pBuf[5] = (FX_CHAR)set_b;
       ct.ReleaseBuffer(6);
       pCS->Add(new CPDF_String(ct, TRUE));
-      pDict->SetAt("ColorSpace", pCS);
+      pDict->SetFor("ColorSpace", pCS);
     }
-    pDict->SetAtInteger("BitsPerComponent", 1);
+    pDict->SetIntegerFor("BitsPerComponent", 1);
     dest_pitch = (BitmapWidth + 7) / 8;
     if ((iCompress & 0x03) == PDF_IMAGE_NO_COMPRESS) {
       opType = 1;
@@ -218,11 +218,11 @@
           new CPDF_Stream(pColorTable, iPalette * 3, new CPDF_Dictionary);
       m_pDocument->AddIndirectObject(pCTS);
       pCS->AddReference(m_pDocument, pCTS);
-      pDict->SetAtReference("ColorSpace", m_pDocument, pCS);
+      pDict->SetReferenceFor("ColorSpace", m_pDocument, pCS);
     } else {
-      pDict->SetAtName("ColorSpace", "DeviceGray");
+      pDict->SetNameFor("ColorSpace", "DeviceGray");
     }
-    pDict->SetAtInteger("BitsPerComponent", 8);
+    pDict->SetIntegerFor("BitsPerComponent", 8);
     if ((iCompress & 0x03) == PDF_IMAGE_NO_COMPRESS) {
       dest_pitch = BitmapWidth;
       opType = 1;
@@ -230,8 +230,8 @@
       opType = 0;
     }
   } else {
-    pDict->SetAtName("ColorSpace", "DeviceRGB");
-    pDict->SetAtInteger("BitsPerComponent", 8);
+    pDict->SetNameFor("ColorSpace", "DeviceRGB");
+    pDict->SetIntegerFor("BitsPerComponent", 8);
     if ((iCompress & 0x03) == PDF_IMAGE_NO_COMPRESS) {
       dest_pitch = BitmapWidth * 3;
       opType = 2;
@@ -251,12 +251,12 @@
     uint8_t* mask_buf = nullptr;
     FX_STRSIZE mask_size = 0;
     CPDF_Dictionary* pMaskDict = new CPDF_Dictionary;
-    pMaskDict->SetAtName("Type", "XObject");
-    pMaskDict->SetAtName("Subtype", "Image");
-    pMaskDict->SetAtInteger("Width", maskWidth);
-    pMaskDict->SetAtInteger("Height", maskHeight);
-    pMaskDict->SetAtName("ColorSpace", "DeviceGray");
-    pMaskDict->SetAtInteger("BitsPerComponent", 8);
+    pMaskDict->SetNameFor("Type", "XObject");
+    pMaskDict->SetNameFor("Subtype", "Image");
+    pMaskDict->SetIntegerFor("Width", maskWidth);
+    pMaskDict->SetIntegerFor("Height", maskHeight);
+    pMaskDict->SetNameFor("ColorSpace", "DeviceGray");
+    pMaskDict->SetIntegerFor("BitsPerComponent", 8);
     if (pMaskBitmap->GetBPP() == 8 &&
         (iCompress & PDF_IMAGE_MASK_LOSSY_COMPRESS) != 0) {
     } else if (pMaskBitmap->GetFormat() == FXDIB_1bppMask) {
@@ -268,11 +268,11 @@
                      maskWidth);
       }
     }
-    pMaskDict->SetAtInteger("Length", mask_size);
+    pMaskDict->SetIntegerFor("Length", mask_size);
 
     CPDF_Stream* pMaskStream = new CPDF_Stream(mask_buf, mask_size, pMaskDict);
     m_pDocument->AddIndirectObject(pMaskStream);
-    pDict->SetAtReference("SMask", m_pDocument, pMaskStream);
+    pDict->SetReferenceFor("SMask", m_pDocument, pMaskStream);
     if (bDeleteMask) {
       delete pMaskBitmap;
     }
diff --git a/core/fpdfapi/fpdf_page/cpdf_meshstream.cpp b/core/fpdfapi/fpdf_page/cpdf_meshstream.cpp
index 1d9c560..d2dfac3 100644
--- a/core/fpdfapi/fpdf_page/cpdf_meshstream.cpp
+++ b/core/fpdfapi/fpdf_page/cpdf_meshstream.cpp
@@ -110,8 +110,8 @@
   m_Stream.LoadAllData(m_pShadingStream);
   m_BitStream.Init(m_Stream.GetData(), m_Stream.GetSize());
   CPDF_Dictionary* pDict = m_pShadingStream->GetDict();
-  m_nCoordBits = pDict->GetIntegerBy("BitsPerCoordinate");
-  m_nComponentBits = pDict->GetIntegerBy("BitsPerComponent");
+  m_nCoordBits = pDict->GetIntegerFor("BitsPerCoordinate");
+  m_nComponentBits = pDict->GetIntegerFor("BitsPerComponent");
   if (ShouldCheckBPC(m_type)) {
     if (!IsValidBitsPerCoordinate(m_nCoordBits))
       return false;
@@ -119,7 +119,7 @@
       return false;
   }
 
-  m_nFlagBits = pDict->GetIntegerBy("BitsPerFlag");
+  m_nFlagBits = pDict->GetIntegerFor("BitsPerFlag");
   if (ShouldCheckBitsPerFlag(m_type) && !IsValidBitsPerFlag(m_nFlagBits))
     return false;
 
@@ -128,7 +128,7 @@
     return false;
 
   m_nComponents = m_funcs.empty() ? nComponents : 1;
-  CPDF_Array* pDecode = pDict->GetArrayBy("Decode");
+  CPDF_Array* pDecode = pDict->GetArrayFor("Decode");
   if (!pDecode || pDecode->GetCount() != 4 + m_nComponents * 2)
     return false;
 
diff --git a/core/fpdfapi/fpdf_page/cpdf_page.cpp b/core/fpdfapi/fpdf_page/cpdf_page.cpp
index 289ef71..b993171 100644
--- a/core/fpdfapi/fpdf_page/cpdf_page.cpp
+++ b/core/fpdfapi/fpdf_page/cpdf_page.cpp
@@ -106,10 +106,10 @@
   std::set<CPDF_Dictionary*> visited;
   while (1) {
     visited.insert(pPageDict);
-    if (CPDF_Object* pObj = pPageDict->GetDirectObjectBy(name))
+    if (CPDF_Object* pObj = pPageDict->GetDirectObjectFor(name))
       return pObj;
 
-    pPageDict = pPageDict->GetDictBy("Parent");
+    pPageDict = pPageDict->GetDictFor("Parent");
     if (!pPageDict || pdfium::ContainsKey(visited, pPageDict))
       break;
   }
diff --git a/core/fpdfapi/fpdf_page/cpdf_pageobjectholder.cpp b/core/fpdfapi/fpdf_page/cpdf_pageobjectholder.cpp
index 77ec205..eb7cb8e 100644
--- a/core/fpdfapi/fpdf_page/cpdf_pageobjectholder.cpp
+++ b/core/fpdfapi/fpdf_page/cpdf_pageobjectholder.cpp
@@ -60,18 +60,18 @@
   if (!m_pFormDict) {
     return;
   }
-  CPDF_Dictionary* pGroup = m_pFormDict->GetDictBy("Group");
+  CPDF_Dictionary* pGroup = m_pFormDict->GetDictFor("Group");
   if (!pGroup) {
     return;
   }
-  if (pGroup->GetStringBy("S") != "Transparency") {
+  if (pGroup->GetStringFor("S") != "Transparency") {
     return;
   }
   m_Transparency |= PDFTRANS_GROUP;
-  if (pGroup->GetIntegerBy("I")) {
+  if (pGroup->GetIntegerFor("I")) {
     m_Transparency |= PDFTRANS_ISOLATED;
   }
-  if (pGroup->GetIntegerBy("K")) {
+  if (pGroup->GetIntegerFor("K")) {
     m_Transparency |= PDFTRANS_KNOCKOUT;
   }
 }
diff --git a/core/fpdfapi/fpdf_page/cpdf_shadingpattern.cpp b/core/fpdfapi/fpdf_page/cpdf_shadingpattern.cpp
index e2205f9..8da9b47 100644
--- a/core/fpdfapi/fpdf_page/cpdf_shadingpattern.cpp
+++ b/core/fpdfapi/fpdf_page/cpdf_shadingpattern.cpp
@@ -38,8 +38,8 @@
       m_pCountedCS(nullptr) {
   if (!bShading) {
     CPDF_Dictionary* pDict = m_pPatternObj->GetDict();
-    m_Pattern2Form = pDict->GetMatrixBy("Matrix");
-    m_pShadingObj = pDict->GetDirectObjectBy("Shading");
+    m_Pattern2Form = pDict->GetMatrixFor("Matrix");
+    m_pShadingObj = pDict->GetDirectObjectFor("Shading");
     m_Pattern2Form.Concat(parentMatrix);
   }
 }
@@ -68,7 +68,7 @@
     return FALSE;
 
   m_pFunctions.clear();
-  CPDF_Object* pFunc = pShadingDict->GetDirectObjectBy("Function");
+  CPDF_Object* pFunc = pShadingDict->GetDirectObjectFor("Function");
   if (pFunc) {
     if (CPDF_Array* pArray = pFunc->AsArray()) {
       m_pFunctions.resize(std::min<size_t>(pArray->GetCount(), 4));
@@ -78,7 +78,7 @@
       m_pFunctions.push_back(CPDF_Function::Load(pFunc));
     }
   }
-  CPDF_Object* pCSObj = pShadingDict->GetDirectObjectBy("ColorSpace");
+  CPDF_Object* pCSObj = pShadingDict->GetDirectObjectFor("ColorSpace");
   if (!pCSObj)
     return FALSE;
 
@@ -87,7 +87,7 @@
   if (m_pCS)
     m_pCountedCS = pDocPageData->FindColorSpacePtr(m_pCS->GetArray());
 
-  m_ShadingType = ToShadingType(pShadingDict->GetIntegerBy("ShadingType"));
+  m_ShadingType = ToShadingType(pShadingDict->GetIntegerFor("ShadingType"));
 
   // We expect to have a stream if our shading type is a mesh.
   if (IsMeshShading() && !ToStream(m_pShadingObj))
diff --git a/core/fpdfapi/fpdf_page/cpdf_tilingpattern.cpp b/core/fpdfapi/fpdf_page/cpdf_tilingpattern.cpp
index f7370de..7c1716d 100644
--- a/core/fpdfapi/fpdf_page/cpdf_tilingpattern.cpp
+++ b/core/fpdfapi/fpdf_page/cpdf_tilingpattern.cpp
@@ -16,8 +16,8 @@
                                        const CFX_Matrix& parentMatrix)
     : CPDF_Pattern(TILING, pDoc, pPatternObj, parentMatrix) {
   CPDF_Dictionary* pDict = m_pPatternObj->GetDict();
-  m_Pattern2Form = pDict->GetMatrixBy("Matrix");
-  m_bColored = pDict->GetIntegerBy("PaintType") == 1;
+  m_Pattern2Form = pDict->GetMatrixFor("Matrix");
+  m_bColored = pDict->GetIntegerFor("PaintType") == 1;
   m_Pattern2Form.Concat(parentMatrix);
 }
 
@@ -40,9 +40,9 @@
   if (!pDict)
     return FALSE;
 
-  m_bColored = pDict->GetIntegerBy("PaintType") == 1;
-  m_XStep = (FX_FLOAT)FXSYS_fabs(pDict->GetNumberBy("XStep"));
-  m_YStep = (FX_FLOAT)FXSYS_fabs(pDict->GetNumberBy("YStep"));
+  m_bColored = pDict->GetIntegerFor("PaintType") == 1;
+  m_XStep = (FX_FLOAT)FXSYS_fabs(pDict->GetNumberFor("XStep"));
+  m_YStep = (FX_FLOAT)FXSYS_fabs(pDict->GetNumberFor("YStep"));
 
   CPDF_Stream* pStream = m_pPatternObj->AsStream();
   if (!pStream)
@@ -50,6 +50,6 @@
 
   m_pForm.reset(new CPDF_Form(m_pDocument, nullptr, pStream));
   m_pForm->ParseContent(nullptr, &m_ParentMatrix, nullptr);
-  m_BBox = pDict->GetRectBy("BBox");
+  m_BBox = pDict->GetRectFor("BBox");
   return TRUE;
 }
diff --git a/core/fpdfapi/fpdf_page/fpdf_page_doc.cpp b/core/fpdfapi/fpdf_page/fpdf_page_doc.cpp
index fa242ff..9e586e3 100644
--- a/core/fpdfapi/fpdf_page/fpdf_page_doc.cpp
+++ b/core/fpdfapi/fpdf_page/fpdf_page_doc.cpp
@@ -185,11 +185,11 @@
   }
 
   CPDF_Dictionary* pDict = new CPDF_Dictionary;
-  pDict->SetAtName("Type", "Font");
-  pDict->SetAtName("Subtype", "Type1");
-  pDict->SetAtName("BaseFont", fontName);
+  pDict->SetNameFor("Type", "Font");
+  pDict->SetNameFor("Subtype", "Type1");
+  pDict->SetNameFor("BaseFont", fontName);
   if (pEncoding) {
-    pDict->SetAt("Encoding", pEncoding->Realize());
+    pDict->SetFor("Encoding", pEncoding->Realize());
   }
   m_pPDFDoc->AddIndirectObject(pDict);
   CPDF_Font* pFont = CPDF_Font::CreateFontF(m_pPDFDoc, pDict);
@@ -241,30 +241,30 @@
     CFX_ByteString name = pCSObj->GetString();
     CPDF_ColorSpace* pCS = CPDF_ColorSpace::ColorspaceFromName(name);
     if (!pCS && pResources) {
-      CPDF_Dictionary* pList = pResources->GetDictBy("ColorSpace");
+      CPDF_Dictionary* pList = pResources->GetDictFor("ColorSpace");
       if (pList) {
         pdfium::ScopedSetInsertion<CPDF_Object*> insertion(pVisited, pCSObj);
-        return GetColorSpaceImpl(pList->GetDirectObjectBy(name), nullptr,
+        return GetColorSpaceImpl(pList->GetDirectObjectFor(name), nullptr,
                                  pVisited);
       }
     }
     if (!pCS || !pResources)
       return pCS;
 
-    CPDF_Dictionary* pColorSpaces = pResources->GetDictBy("ColorSpace");
+    CPDF_Dictionary* pColorSpaces = pResources->GetDictFor("ColorSpace");
     if (!pColorSpaces)
       return pCS;
 
     CPDF_Object* pDefaultCS = nullptr;
     switch (pCS->GetFamily()) {
       case PDFCS_DEVICERGB:
-        pDefaultCS = pColorSpaces->GetDirectObjectBy("DefaultRGB");
+        pDefaultCS = pColorSpaces->GetDirectObjectFor("DefaultRGB");
         break;
       case PDFCS_DEVICEGRAY:
-        pDefaultCS = pColorSpaces->GetDirectObjectBy("DefaultGray");
+        pDefaultCS = pColorSpaces->GetDirectObjectFor("DefaultGray");
         break;
       case PDFCS_DEVICECMYK:
-        pDefaultCS = pColorSpaces->GetDirectObjectBy("DefaultCMYK");
+        pDefaultCS = pColorSpaces->GetDirectObjectFor("DefaultCMYK");
         break;
     }
     if (!pDefaultCS)
@@ -357,7 +357,7 @@
   } else {
     CPDF_Dictionary* pDict = pPatternObj ? pPatternObj->GetDict() : nullptr;
     if (pDict) {
-      int type = pDict->GetIntegerBy("PatternType");
+      int type = pDict->GetIntegerFor("PatternType");
       if (type == CPDF_Pattern::TILING) {
         pPattern = new CPDF_TilingPattern(m_pPDFDoc, pPatternObj, matrix);
       } else if (type == CPDF_Pattern::SHADING) {
@@ -491,9 +491,9 @@
     return it->second->AddRef();
 
   CPDF_Dictionary* pFontDict = pFontStream->GetDict();
-  int32_t org_size = pFontDict->GetIntegerBy("Length1") +
-                     pFontDict->GetIntegerBy("Length2") +
-                     pFontDict->GetIntegerBy("Length3");
+  int32_t org_size = pFontDict->GetIntegerFor("Length1") +
+                     pFontDict->GetIntegerFor("Length2") +
+                     pFontDict->GetIntegerFor("Length3");
   org_size = std::max(org_size, 0);
 
   CPDF_StreamAcc* pFontFile = new CPDF_StreamAcc;
diff --git a/core/fpdfapi/fpdf_page/fpdf_page_func.cpp b/core/fpdfapi/fpdf_page/fpdf_page_func.cpp
index 6a5bbac..63ab305 100644
--- a/core/fpdfapi/fpdf_page/fpdf_page_func.cpp
+++ b/core/fpdfapi/fpdf_page/fpdf_page_func.cpp
@@ -471,10 +471,10 @@
     return false;
 
   CPDF_Dictionary* pDict = pStream->GetDict();
-  CPDF_Array* pSize = pDict->GetArrayBy("Size");
-  CPDF_Array* pEncode = pDict->GetArrayBy("Encode");
-  CPDF_Array* pDecode = pDict->GetArrayBy("Decode");
-  m_nBitsPerSample = pDict->GetIntegerBy("BitsPerSample");
+  CPDF_Array* pSize = pDict->GetArrayFor("Size");
+  CPDF_Array* pEncode = pDict->GetArrayFor("Encode");
+  CPDF_Array* pDecode = pDict->GetArrayFor("Decode");
+  m_nBitsPerSample = pDict->GetIntegerFor("BitsPerSample");
   if (!IsValidBitsPerSample(m_nBitsPerSample))
     return FALSE;
 
@@ -486,7 +486,7 @@
   for (uint32_t i = 0; i < m_nInputs; i++) {
     m_EncodeInfo[i].sizes = pSize ? pSize->GetIntegerAt(i) : 0;
     if (!pSize && i == 0)
-      m_EncodeInfo[i].sizes = pDict->GetIntegerBy("Size");
+      m_EncodeInfo[i].sizes = pDict->GetIntegerFor("Size");
     nTotalSampleBits *= m_EncodeInfo[i].sizes;
     if (pEncode) {
       m_EncodeInfo[i].encode_min = pEncode->GetFloatAt(i * 2);
@@ -601,21 +601,21 @@
   if (!pDict) {
     return FALSE;
   }
-  CPDF_Array* pArray0 = pDict->GetArrayBy("C0");
+  CPDF_Array* pArray0 = pDict->GetArrayFor("C0");
   if (m_nOutputs == 0) {
     m_nOutputs = 1;
     if (pArray0) {
       m_nOutputs = pArray0->GetCount();
     }
   }
-  CPDF_Array* pArray1 = pDict->GetArrayBy("C1");
+  CPDF_Array* pArray1 = pDict->GetArrayFor("C1");
   m_pBeginValues = FX_Alloc2D(FX_FLOAT, m_nOutputs, 2);
   m_pEndValues = FX_Alloc2D(FX_FLOAT, m_nOutputs, 2);
   for (uint32_t i = 0; i < m_nOutputs; i++) {
     m_pBeginValues[i] = pArray0 ? pArray0->GetFloatAt(i) : 0.0f;
     m_pEndValues[i] = pArray1 ? pArray1->GetFloatAt(i) : 1.0f;
   }
-  m_Exponent = pDict->GetFloatBy("N");
+  m_Exponent = pDict->GetFloatFor("N");
   m_nOrigOutputs = m_nOutputs;
   if (m_nOutputs && m_nInputs > INT_MAX / m_nOutputs) {
     return FALSE;
@@ -652,7 +652,7 @@
   if (m_nInputs != kRequiredNumInputs) {
     return FALSE;
   }
-  CPDF_Array* pArray = pDict->GetArrayBy("Functions");
+  CPDF_Array* pArray = pDict->GetArrayFor("Functions");
   if (!pArray) {
     return FALSE;
   }
@@ -682,14 +682,14 @@
   }
   m_pBounds = FX_Alloc(FX_FLOAT, nSubs + 1);
   m_pBounds[0] = m_pDomains[0];
-  pArray = pDict->GetArrayBy("Bounds");
+  pArray = pDict->GetArrayFor("Bounds");
   if (!pArray)
     return FALSE;
   for (uint32_t i = 0; i < nSubs - 1; i++)
     m_pBounds[i + 1] = pArray->GetFloatAt(i);
   m_pBounds[nSubs] = m_pDomains[1];
   m_pEncode = FX_Alloc2D(FX_FLOAT, nSubs, 2);
-  pArray = pDict->GetArrayBy("Encode");
+  pArray = pDict->GetArrayFor("Encode");
   if (!pArray)
     return FALSE;
 
@@ -720,9 +720,9 @@
 
   int iType = -1;
   if (CPDF_Stream* pStream = pFuncObj->AsStream())
-    iType = pStream->GetDict()->GetIntegerBy("FunctionType");
+    iType = pStream->GetDict()->GetIntegerFor("FunctionType");
   else if (CPDF_Dictionary* pDict = pFuncObj->AsDictionary())
-    iType = pDict->GetIntegerBy("FunctionType");
+    iType = pDict->GetIntegerFor("FunctionType");
 
   Type type = IntegerToFunctionType(iType);
   if (type == Type::kType0Sampled)
@@ -764,7 +764,7 @@
   CPDF_Stream* pStream = pObj->AsStream();
   CPDF_Dictionary* pDict = pStream ? pStream->GetDict() : pObj->AsDictionary();
 
-  CPDF_Array* pDomains = pDict->GetArrayBy("Domain");
+  CPDF_Array* pDomains = pDict->GetArrayFor("Domain");
   if (!pDomains)
     return FALSE;
 
@@ -776,7 +776,7 @@
   for (uint32_t i = 0; i < m_nInputs * 2; i++) {
     m_pDomains[i] = pDomains->GetFloatAt(i);
   }
-  CPDF_Array* pRanges = pDict->GetArrayBy("Range");
+  CPDF_Array* pRanges = pDict->GetArrayFor("Range");
   m_nOutputs = 0;
   if (pRanges) {
     m_nOutputs = pRanges->GetCount() / 2;
diff --git a/core/fpdfapi/fpdf_page/fpdf_page_parser.cpp b/core/fpdfapi/fpdf_page/fpdf_page_parser.cpp
index d7f1f3c..46ab067 100644
--- a/core/fpdfapi/fpdf_page/fpdf_page_parser.cpp
+++ b/core/fpdfapi/fpdf_page/fpdf_page_parser.cpp
@@ -611,22 +611,22 @@
     if (!key.IsEmpty()) {
       uint32_t dwObjNum = pObj ? pObj->GetObjNum() : 0;
       if (dwObjNum)
-        pDict->SetAtReference(key, m_pDocument, dwObjNum);
+        pDict->SetReferenceFor(key, m_pDocument, dwObjNum);
       else
-        pDict->SetAt(key, pObj.release());
+        pDict->SetFor(key, pObj.release());
     }
   }
   PDF_ReplaceAbbr(pDict);
   CPDF_Object* pCSObj = nullptr;
   if (pDict->KeyExist("ColorSpace")) {
-    pCSObj = pDict->GetDirectObjectBy("ColorSpace");
+    pCSObj = pDict->GetDirectObjectFor("ColorSpace");
     if (pCSObj->IsName()) {
       CFX_ByteString name = pCSObj->GetString();
       if (name != "DeviceRGB" && name != "DeviceGray" && name != "DeviceCMYK") {
         pCSObj = FindResourceObj("ColorSpace", name);
         if (pCSObj && !pCSObj->GetObjNum()) {
           pCSObj = pCSObj->Clone();
-          pDict->SetAt("ColorSpace", pCSObj);
+          pDict->SetFor("ColorSpace", pCSObj);
         }
       }
     }
@@ -646,7 +646,7 @@
       break;
     }
   }
-  pDict->SetAtName("Subtype", "Image");
+  pDict->SetNameFor("Subtype", "Image");
   CPDF_ImageObject* pImgObj = AddImage(pStream, nullptr, true);
   if (!pImgObj) {
     if (pStream) {
@@ -737,7 +737,7 @@
 
   CFX_ByteString type;
   if (pXObject->GetDict())
-    type = pXObject->GetDict()->GetStringBy("Subtype");
+    type = pXObject->GetDict()->GetStringFor("Subtype");
 
   if (type == "Image") {
     CPDF_ImageObject* pObj = AddImage(pXObject, nullptr, false);
@@ -1134,14 +1134,14 @@
     const CFX_ByteString& name) {
   if (!m_pResources)
     return nullptr;
-  CPDF_Dictionary* pDict = m_pResources->GetDictBy(type);
+  CPDF_Dictionary* pDict = m_pResources->GetDictFor(type);
   if (pDict)
-    return pDict->GetDirectObjectBy(name);
+    return pDict->GetDirectObjectFor(name);
   if (m_pResources == m_pPageResources || !m_pPageResources)
     return nullptr;
 
-  CPDF_Dictionary* pPageDict = m_pPageResources->GetDictBy(type);
-  return pPageDict ? pPageDict->GetDirectObjectBy(name) : nullptr;
+  CPDF_Dictionary* pPageDict = m_pPageResources->GetDictFor(type);
+  return pPageDict ? pPageDict->GetDirectObjectFor(name) : nullptr;
 }
 
 CPDF_Font* CPDF_StreamContentParser::FindFont(const CFX_ByteString& name) {
@@ -1652,7 +1652,7 @@
         if (op.is_replace_key)
           pDict->ReplaceKey(op.key, CFX_ByteString(op.replacement));
         else
-          pDict->SetAtName(op.key, CFX_ByteString(op.replacement));
+          pDict->SetNameFor(op.key, CFX_ByteString(op.replacement));
       }
       break;
     }
diff --git a/core/fpdfapi/fpdf_page/fpdf_page_parser_old.cpp b/core/fpdfapi/fpdf_page/fpdf_page_parser_old.cpp
index 745a707..eab0ee5 100644
--- a/core/fpdfapi/fpdf_page/fpdf_page_parser_old.cpp
+++ b/core/fpdfapi/fpdf_page/fpdf_page_parser_old.cpp
@@ -121,7 +121,7 @@
     CCodec_ScanlineDecoder* pDecoder =
         CPDF_ModuleMgr::Get()->GetJpegModule()->CreateDecoder(
             src_buf, limit, width, height, 0,
-            pParam ? pParam->GetIntegerBy("ColorTransform", 1) : 1);
+            pParam ? pParam->GetIntegerFor("ColorTransform", 1) : 1);
     return DecodeAllScanlines(pDecoder, dest_buf, dest_size);
   }
   if (decoder == "RunLengthDecode" || decoder == "RL") {
@@ -143,23 +143,23 @@
 
   CFX_ByteString Decoder;
   CPDF_Dictionary* pParam = nullptr;
-  CPDF_Object* pFilter = pDict->GetDirectObjectBy("Filter");
+  CPDF_Object* pFilter = pDict->GetDirectObjectFor("Filter");
   if (pFilter) {
     if (CPDF_Array* pArray = pFilter->AsArray()) {
       Decoder = pArray->GetStringAt(0);
-      CPDF_Array* pParams = pDict->GetArrayBy("DecodeParms");
+      CPDF_Array* pParams = pDict->GetArrayFor("DecodeParms");
       if (pParams)
         pParam = pParams->GetDictAt(0);
     } else {
       Decoder = pFilter->GetString();
-      pParam = pDict->GetDictBy("DecodeParms");
+      pParam = pDict->GetDictFor("DecodeParms");
     }
   }
-  uint32_t width = pDict->GetIntegerBy("Width");
-  uint32_t height = pDict->GetIntegerBy("Height");
+  uint32_t width = pDict->GetIntegerFor("Width");
+  uint32_t height = pDict->GetIntegerFor("Height");
   uint32_t OrigSize = 0;
   if (pCSObj) {
-    uint32_t bpc = pDict->GetIntegerBy("BitsPerComponent");
+    uint32_t bpc = pDict->GetIntegerFor("BitsPerComponent");
     uint32_t nComponents = 1;
     CPDF_ColorSpace* pCS = pDoc->LoadColorSpace(pCSObj);
     if (pCS) {
@@ -236,7 +236,7 @@
     FXSYS_memcpy(pData, m_pBuf + m_Pos, dwStreamSize);
     m_Pos += dwStreamSize;
   }
-  pDict->SetAtInteger("Length", (int)dwStreamSize);
+  pDict->SetIntegerFor("Length", (int)dwStreamSize);
   return new CPDF_Stream(pData, dwStreamSize, pDict);
 }
 
@@ -369,7 +369,7 @@
       if (key.IsEmpty())
         pObj->Release();
       else
-        pDict->SetAt(key, pObj);
+        pDict->SetFor(key, pObj);
     }
     return pDict;
   }
@@ -651,7 +651,7 @@
   m_InternalStage = STAGE_GETCONTENT;
   m_CurrentOffset = 0;
 
-  CPDF_Object* pContent = pPage->m_pFormDict->GetDirectObjectBy("Contents");
+  CPDF_Object* pContent = pPage->m_pFormDict->GetDirectObjectFor("Contents");
   if (!pContent) {
     m_Status = Done;
     return;
@@ -679,11 +679,11 @@
   m_pType3Char = pType3Char;
   m_pObjectHolder = pForm;
   m_bForm = TRUE;
-  CFX_Matrix form_matrix = pForm->m_pFormDict->GetMatrixBy("Matrix");
+  CFX_Matrix form_matrix = pForm->m_pFormDict->GetMatrixFor("Matrix");
   if (pGraphicStates) {
     form_matrix.Concat(pGraphicStates->m_CTM);
   }
-  CPDF_Array* pBBox = pForm->m_pFormDict->GetArrayBy("BBox");
+  CPDF_Array* pBBox = pForm->m_pFormDict->GetArrayFor("BBox");
   CFX_FloatRect form_bbox;
   CPDF_Path ClipPath;
   if (pBBox) {
@@ -700,7 +700,7 @@
       form_bbox.Transform(pParentMatrix);
     }
   }
-  CPDF_Dictionary* pResources = pForm->m_pFormDict->GetDictBy("Resources");
+  CPDF_Dictionary* pResources = pForm->m_pFormDict->GetDictFor("Resources");
   m_pParser.reset(new CPDF_StreamContentParser(
       pForm->m_pDocument, pForm->m_pPageResources, pForm->m_pResources,
       pParentMatrix, pForm, pResources, &form_bbox, pGraphicStates, level));
@@ -759,7 +759,7 @@
         m_CurrentOffset = 0;
       } else {
         CPDF_Array* pContent =
-            m_pObjectHolder->m_pFormDict->GetArrayBy("Contents");
+            m_pObjectHolder->m_pFormDict->GetArrayFor("Contents");
         m_StreamArray[m_CurrentOffset].reset(new CPDF_StreamAcc);
         CPDF_Stream* pStreamObj = ToStream(
             pContent ? pContent->GetDirectObjectAt(m_CurrentOffset) : nullptr);
diff --git a/core/fpdfapi/fpdf_parser/cfdf_document.cpp b/core/fpdfapi/fpdf_parser/cfdf_document.cpp
index e2e4d0c..0182948 100644
--- a/core/fpdfapi/fpdf_parser/cfdf_document.cpp
+++ b/core/fpdfapi/fpdf_parser/cfdf_document.cpp
@@ -26,7 +26,7 @@
   pDoc->m_pRootDict = new CPDF_Dictionary;
   pDoc->AddIndirectObject(pDoc->m_pRootDict);
   CPDF_Dictionary* pFDFDict = new CPDF_Dictionary;
-  pDoc->m_pRootDict->SetAt("FDF", pFDFDict);
+  pDoc->m_pRootDict->SetFor("FDF", pFDFDict);
   return pDoc;
 }
 
@@ -76,7 +76,7 @@
 
       if (CPDF_Dictionary* pMainDict =
               ToDictionary(parser.GetObject(this, 0, 0, true))) {
-        m_pRootDict = pMainDict->GetDictBy("Root");
+        m_pRootDict = pMainDict->GetDictFor("Root");
         pMainDict->Release();
       }
       break;
diff --git a/core/fpdfapi/fpdf_parser/cpdf_data_avail.cpp b/core/fpdfapi/fpdf_parser/cpdf_data_avail.cpp
index b7395ee..7a9b704 100644
--- a/core/fpdfapi/fpdf_parser/cpdf_data_avail.cpp
+++ b/core/fpdfapi/fpdf_parser/cpdf_data_avail.cpp
@@ -151,7 +151,7 @@
         pObj = pObj->GetDict();
       case CPDF_Object::DICTIONARY: {
         CPDF_Dictionary* pDict = pObj->GetDict();
-        if (pDict && pDict->GetStringBy("Type") == "Page" && !bParsePage)
+        if (pDict && pDict->GetStringFor("Type") == "Page" && !bParsePage)
           continue;
 
         for (const auto& it : *pDict) {
@@ -441,7 +441,7 @@
     return FALSE;
   }
 
-  CPDF_Reference* pRef = ToReference(pDict->GetObjectBy("Pages"));
+  CPDF_Reference* pRef = ToReference(pDict->GetObjectFor("Pages"));
   if (!pRef) {
     m_docStatus = PDF_DATAAVAIL_ERROR;
     return FALSE;
@@ -449,7 +449,7 @@
 
   m_PagesObjNum = pRef->GetRefObjNum();
   CPDF_Reference* pAcroFormRef =
-      ToReference(m_pRoot->GetDict()->GetObjectBy("AcroForm"));
+      ToReference(m_pRoot->GetDict()->GetObjectFor("AcroForm"));
   if (pAcroFormRef) {
     m_bHaveAcroForm = TRUE;
     m_dwAcroFormObjNum = pAcroFormRef->GetRefObjNum();
@@ -467,7 +467,7 @@
 FX_BOOL CPDF_DataAvail::PreparePageItem() {
   CPDF_Dictionary* pRoot = m_pDocument->GetRoot();
   CPDF_Reference* pRef =
-      ToReference(pRoot ? pRoot->GetObjectBy("Pages") : nullptr);
+      ToReference(pRoot ? pRoot->GetObjectFor("Pages") : nullptr);
   if (!pRef) {
     m_docStatus = PDF_DATAAVAIL_ERROR;
     return FALSE;
@@ -513,7 +513,7 @@
       continue;
     }
 
-    CFX_ByteString type = pObj->GetDict()->GetStringBy("Type");
+    CFX_ByteString type = pObj->GetDict()->GetStringFor("Type");
     if (type == "Pages") {
       m_PagesArray.Add(pObj);
       continue;
@@ -560,7 +560,7 @@
   }
 
   CPDF_Dictionary* pDict = pPages->GetDict();
-  CPDF_Object* pKids = pDict ? pDict->GetObjectBy("Kids") : nullptr;
+  CPDF_Object* pKids = pDict ? pDict->GetObjectFor("Kids") : nullptr;
   if (!pKids)
     return TRUE;
 
@@ -633,19 +633,19 @@
 
 FX_BOOL CPDF_DataAvail::CheckFirstPage(DownloadHints* pHints) {
   CPDF_Dictionary* pDict = m_pLinearized->GetDict();
-  CPDF_Object* pEndOffSet = pDict ? pDict->GetObjectBy("E") : nullptr;
+  CPDF_Object* pEndOffSet = pDict ? pDict->GetObjectFor("E") : nullptr;
   if (!pEndOffSet) {
     m_docStatus = PDF_DATAAVAIL_ERROR;
     return FALSE;
   }
 
-  CPDF_Object* pXRefOffset = pDict ? pDict->GetObjectBy("T") : nullptr;
+  CPDF_Object* pXRefOffset = pDict ? pDict->GetObjectFor("T") : nullptr;
   if (!pXRefOffset) {
     m_docStatus = PDF_DATAAVAIL_ERROR;
     return FALSE;
   }
 
-  CPDF_Object* pFileLen = pDict ? pDict->GetObjectBy("L") : nullptr;
+  CPDF_Object* pFileLen = pDict ? pDict->GetObjectFor("L") : nullptr;
   if (!pFileLen) {
     m_docStatus = PDF_DATAAVAIL_ERROR;
     return FALSE;
@@ -728,13 +728,13 @@
   }
 
   // The actual value is not required here, but validate its existence and type.
-  CPDF_Number* pFirstPage = ToNumber(pDict->GetDirectObjectBy("O"));
+  CPDF_Number* pFirstPage = ToNumber(pDict->GetDirectObjectFor("O"));
   if (!pFirstPage || !pFirstPage->IsInteger()) {
     m_docStatus = PDF_DATAAVAIL_ERROR;
     return FALSE;
   }
 
-  CPDF_Number* pPageCount = ToNumber(pDict->GetDirectObjectBy("N"));
+  CPDF_Number* pPageCount = ToNumber(pDict->GetDirectObjectFor("N"));
   if (!pPageCount || !pPageCount->IsInteger()) {
     m_docStatus = PDF_DATAAVAIL_ERROR;
     return FALSE;
@@ -746,7 +746,7 @@
     return TRUE;
   }
 
-  CPDF_Array* pHintStreamRange = pDict->GetArrayBy("H");
+  CPDF_Array* pHintStreamRange = pDict->GetArrayFor("H");
   size_t nHintStreamSize = pHintStreamRange ? pHintStreamRange->GetCount() : 0;
   if (nHintStreamSize != 2 && nHintStreamSize != 4) {
     m_docStatus = PDF_DATAAVAIL_ERROR;
@@ -869,10 +869,10 @@
     return FALSE;
 
   CPDF_Dictionary* pDict = m_pLinearized->GetDict();
-  if (!pDict || !pDict->GetObjectBy("Linearized"))
+  if (!pDict || !pDict->GetObjectFor("Linearized"))
     return FALSE;
 
-  CPDF_Object* pLen = pDict->GetObjectBy("L");
+  CPDF_Object* pLen = pDict->GetObjectFor("L");
   if (!pLen)
     return FALSE;
 
@@ -881,7 +881,7 @@
 
   m_bLinearized = TRUE;
 
-  if (CPDF_Number* pNo = ToNumber(pDict->GetObjectBy("P")))
+  if (CPDF_Number* pNo = ToNumber(pDict->GetObjectFor("P")))
     m_dwFirstPageNo = pNo->GetInteger();
 
   return TRUE;
@@ -958,11 +958,11 @@
     }
 
     CPDF_Dictionary* pDict = pObj->GetDict();
-    CPDF_Name* pName = ToName(pDict ? pDict->GetObjectBy("Type") : nullptr);
+    CPDF_Name* pName = ToName(pDict ? pDict->GetObjectFor("Type") : nullptr);
     if (pName) {
       if (pName->GetString() == "XRef") {
         m_Pos += m_parser.m_pSyntax->SavePos();
-        xref_offset = pObj->GetDict()->GetIntegerBy("Prev");
+        xref_offset = pObj->GetDict()->GetIntegerFor("Prev");
         pObj->Release();
         return 1;
       }
@@ -1205,7 +1205,7 @@
       return FALSE;
 
     CPDF_Dictionary* pTrailerDict = pTrailer->GetDict();
-    CPDF_Object* pEncrypt = pTrailerDict->GetObjectBy("Encrypt");
+    CPDF_Object* pEncrypt = pTrailerDict->GetObjectFor("Encrypt");
     if (ToReference(pEncrypt)) {
       m_docStatus = PDF_DATAAVAIL_LOADALLFILE;
       return TRUE;
@@ -1328,10 +1328,10 @@
 
   pPageNode->m_dwPageNo = dwPageNo;
   CPDF_Dictionary* pDict = pPage->GetDict();
-  CFX_ByteString type = pDict->GetStringBy("Type");
+  CFX_ByteString type = pDict->GetStringFor("Type");
   if (type == "Pages") {
     pPageNode->m_type = PDF_PAGENODE_PAGES;
-    CPDF_Object* pKids = pDict->GetObjectBy("Kids");
+    CPDF_Object* pKids = pDict->GetObjectFor("Kids");
     if (!pKids) {
       m_docStatus = PDF_DATAAVAIL_PAGE;
       return TRUE;
@@ -1464,7 +1464,7 @@
     return TRUE;
   }
 
-  int count = pPagesDict->GetIntegerBy("Count");
+  int count = pPagesDict->GetIntegerFor("Count");
   if (count > 0) {
     pPages->Release();
     return TRUE;
@@ -1544,7 +1544,7 @@
     if (!pPageDict)
       return TRUE;
 
-    CPDF_Object* pAnnots = pPageDict->GetObjectBy("Annots");
+    CPDF_Object* pAnnots = pPageDict->GetObjectFor("Annots");
     if (!pAnnots)
       return TRUE;
 
@@ -1587,7 +1587,7 @@
   if (++s_CurrentDataAvailRecursionDepth > kMaxDataAvailRecursionDepth)
     return FALSE;
 
-  CPDF_Object* pParent = pDict->GetObjectBy("Parent");
+  CPDF_Object* pParent = pDict->GetObjectFor("Parent");
   if (!pParent)
     return FALSE;
 
@@ -1595,7 +1595,7 @@
   if (!pParentDict)
     return FALSE;
 
-  CPDF_Object* pRet = pParentDict->GetObjectBy("Resources");
+  CPDF_Object* pRet = pParentDict->GetObjectFor("Resources");
   if (pRet) {
     m_pPageResource = pRet;
     return TRUE;
@@ -1710,7 +1710,7 @@
   }
 
   if (m_pPageDict && !m_bNeedDownLoadResource) {
-    m_pPageResource = m_pPageDict->GetObjectBy("Resources");
+    m_pPageResource = m_pPageDict->GetObjectFor("Resources");
     m_bNeedDownLoadResource =
         m_pPageResource || HaveResourceAncestor(m_pPageDict);
   }
@@ -1761,7 +1761,7 @@
 int CPDF_DataAvail::GetPageCount() const {
   if (m_pLinearized) {
     CPDF_Dictionary* pDict = m_pLinearized->GetDict();
-    CPDF_Object* pObj = pDict ? pDict->GetDirectObjectBy("N") : nullptr;
+    CPDF_Object* pObj = pDict ? pDict->GetDirectObjectFor("N") : nullptr;
     return pObj ? pObj->GetInteger() : 0;
   }
   return m_pDocument ? m_pDocument->GetPageCount() : 0;
@@ -1773,7 +1773,7 @@
 
   if (m_pLinearized) {
     CPDF_Dictionary* pDict = m_pLinearized->GetDict();
-    CPDF_Object* pObj = pDict ? pDict->GetDirectObjectBy("P") : nullptr;
+    CPDF_Object* pObj = pDict ? pDict->GetDirectObjectFor("P") : nullptr;
 
     int pageNum = pObj ? pObj->GetInteger() : 0;
     if (m_pHintTables && index != pageNum) {
@@ -1810,7 +1810,7 @@
     if (!pRoot)
       return FormAvailable;
 
-    CPDF_Object* pAcroForm = pRoot->GetObjectBy("AcroForm");
+    CPDF_Object* pAcroForm = pRoot->GetObjectFor("AcroForm");
     if (!pAcroForm)
       return FormNotExist;
 
diff --git a/core/fpdfapi/fpdf_parser/cpdf_dictionary.cpp b/core/fpdfapi/fpdf_parser/cpdf_dictionary.cpp
index e79bac1..cc395a2 100644
--- a/core/fpdfapi/fpdf_parser/cpdf_dictionary.cpp
+++ b/core/fpdfapi/fpdf_parser/cpdf_dictionary.cpp
@@ -71,59 +71,59 @@
   return pCopy;
 }
 
-CPDF_Object* CPDF_Dictionary::GetObjectBy(const CFX_ByteString& key) const {
+CPDF_Object* CPDF_Dictionary::GetObjectFor(const CFX_ByteString& key) const {
   auto it = m_Map.find(key);
   return it != m_Map.end() ? it->second : nullptr;
 }
 
-CPDF_Object* CPDF_Dictionary::GetDirectObjectBy(
+CPDF_Object* CPDF_Dictionary::GetDirectObjectFor(
     const CFX_ByteString& key) const {
-  CPDF_Object* p = GetObjectBy(key);
+  CPDF_Object* p = GetObjectFor(key);
   return p ? p->GetDirect() : nullptr;
 }
 
-CFX_ByteString CPDF_Dictionary::GetStringBy(const CFX_ByteString& key) const {
-  CPDF_Object* p = GetObjectBy(key);
+CFX_ByteString CPDF_Dictionary::GetStringFor(const CFX_ByteString& key) const {
+  CPDF_Object* p = GetObjectFor(key);
   return p ? p->GetString() : CFX_ByteString();
 }
 
-CFX_WideString CPDF_Dictionary::GetUnicodeTextBy(
+CFX_WideString CPDF_Dictionary::GetUnicodeTextFor(
     const CFX_ByteString& key) const {
-  CPDF_Object* p = GetObjectBy(key);
+  CPDF_Object* p = GetObjectFor(key);
   if (CPDF_Reference* pRef = ToReference(p))
     p = pRef->GetDirect();
   return p ? p->GetUnicodeText() : CFX_WideString();
 }
 
-CFX_ByteString CPDF_Dictionary::GetStringBy(const CFX_ByteString& key,
-                                            const CFX_ByteString& def) const {
-  CPDF_Object* p = GetObjectBy(key);
+CFX_ByteString CPDF_Dictionary::GetStringFor(const CFX_ByteString& key,
+                                             const CFX_ByteString& def) const {
+  CPDF_Object* p = GetObjectFor(key);
   return p ? p->GetString() : CFX_ByteString(def);
 }
 
-int CPDF_Dictionary::GetIntegerBy(const CFX_ByteString& key) const {
-  CPDF_Object* p = GetObjectBy(key);
+int CPDF_Dictionary::GetIntegerFor(const CFX_ByteString& key) const {
+  CPDF_Object* p = GetObjectFor(key);
   return p ? p->GetInteger() : 0;
 }
 
-int CPDF_Dictionary::GetIntegerBy(const CFX_ByteString& key, int def) const {
-  CPDF_Object* p = GetObjectBy(key);
+int CPDF_Dictionary::GetIntegerFor(const CFX_ByteString& key, int def) const {
+  CPDF_Object* p = GetObjectFor(key);
   return p ? p->GetInteger() : def;
 }
 
-FX_FLOAT CPDF_Dictionary::GetNumberBy(const CFX_ByteString& key) const {
-  CPDF_Object* p = GetObjectBy(key);
+FX_FLOAT CPDF_Dictionary::GetNumberFor(const CFX_ByteString& key) const {
+  CPDF_Object* p = GetObjectFor(key);
   return p ? p->GetNumber() : 0;
 }
 
-bool CPDF_Dictionary::GetBooleanBy(const CFX_ByteString& key,
-                                   bool bDefault) const {
-  CPDF_Object* p = GetObjectBy(key);
+bool CPDF_Dictionary::GetBooleanFor(const CFX_ByteString& key,
+                                    bool bDefault) const {
+  CPDF_Object* p = GetObjectFor(key);
   return ToBoolean(p) ? p->GetInteger() != 0 : bDefault;
 }
 
-CPDF_Dictionary* CPDF_Dictionary::GetDictBy(const CFX_ByteString& key) const {
-  CPDF_Object* p = GetDirectObjectBy(key);
+CPDF_Dictionary* CPDF_Dictionary::GetDictFor(const CFX_ByteString& key) const {
+  CPDF_Object* p = GetDirectObjectFor(key);
   if (!p)
     return nullptr;
   if (CPDF_Dictionary* pDict = p->AsDictionary())
@@ -133,25 +133,25 @@
   return nullptr;
 }
 
-CPDF_Array* CPDF_Dictionary::GetArrayBy(const CFX_ByteString& key) const {
-  return ToArray(GetDirectObjectBy(key));
+CPDF_Array* CPDF_Dictionary::GetArrayFor(const CFX_ByteString& key) const {
+  return ToArray(GetDirectObjectFor(key));
 }
 
-CPDF_Stream* CPDF_Dictionary::GetStreamBy(const CFX_ByteString& key) const {
-  return ToStream(GetDirectObjectBy(key));
+CPDF_Stream* CPDF_Dictionary::GetStreamFor(const CFX_ByteString& key) const {
+  return ToStream(GetDirectObjectFor(key));
 }
 
-CFX_FloatRect CPDF_Dictionary::GetRectBy(const CFX_ByteString& key) const {
+CFX_FloatRect CPDF_Dictionary::GetRectFor(const CFX_ByteString& key) const {
   CFX_FloatRect rect;
-  CPDF_Array* pArray = GetArrayBy(key);
+  CPDF_Array* pArray = GetArrayFor(key);
   if (pArray)
     rect = pArray->GetRect();
   return rect;
 }
 
-CFX_Matrix CPDF_Dictionary::GetMatrixBy(const CFX_ByteString& key) const {
+CFX_Matrix CPDF_Dictionary::GetMatrixFor(const CFX_ByteString& key) const {
   CFX_Matrix matrix;
-  CPDF_Array* pArray = GetArrayBy(key);
+  CPDF_Array* pArray = GetArrayFor(key);
   if (pArray)
     matrix = pArray->GetMatrix();
   return matrix;
@@ -162,13 +162,13 @@
 }
 
 bool CPDF_Dictionary::IsSignatureDict() const {
-  CPDF_Object* pType = GetDirectObjectBy("Type");
+  CPDF_Object* pType = GetDirectObjectFor("Type");
   if (!pType)
-    pType = GetDirectObjectBy("FT");
+    pType = GetDirectObjectFor("FT");
   return pType && pType->GetString() == "Sig";
 }
 
-void CPDF_Dictionary::SetAt(const CFX_ByteString& key, CPDF_Object* pObj) {
+void CPDF_Dictionary::SetFor(const CFX_ByteString& key, CPDF_Object* pObj) {
   auto it = m_Map.find(key);
   if (it == m_Map.end()) {
     if (pObj)
@@ -186,7 +186,7 @@
     m_Map.erase(it);
 }
 
-void CPDF_Dictionary::RemoveAt(const CFX_ByteString& key) {
+void CPDF_Dictionary::RemoveFor(const CFX_ByteString& key) {
   auto it = m_Map.find(key);
   if (it == m_Map.end())
     return;
@@ -214,46 +214,46 @@
   m_Map.erase(old_it);
 }
 
-void CPDF_Dictionary::SetAtInteger(const CFX_ByteString& key, int i) {
-  SetAt(key, new CPDF_Number(i));
+void CPDF_Dictionary::SetIntegerFor(const CFX_ByteString& key, int i) {
+  SetFor(key, new CPDF_Number(i));
 }
 
-void CPDF_Dictionary::SetAtName(const CFX_ByteString& key,
-                                const CFX_ByteString& name) {
-  SetAt(key, new CPDF_Name(name));
+void CPDF_Dictionary::SetNameFor(const CFX_ByteString& key,
+                                 const CFX_ByteString& name) {
+  SetFor(key, new CPDF_Name(name));
 }
 
-void CPDF_Dictionary::SetAtString(const CFX_ByteString& key,
-                                  const CFX_ByteString& str) {
-  SetAt(key, new CPDF_String(str, FALSE));
+void CPDF_Dictionary::SetStringFor(const CFX_ByteString& key,
+                                   const CFX_ByteString& str) {
+  SetFor(key, new CPDF_String(str, FALSE));
 }
 
-void CPDF_Dictionary::SetAtReference(const CFX_ByteString& key,
-                                     CPDF_IndirectObjectHolder* pDoc,
-                                     uint32_t objnum) {
-  SetAt(key, new CPDF_Reference(pDoc, objnum));
+void CPDF_Dictionary::SetReferenceFor(const CFX_ByteString& key,
+                                      CPDF_IndirectObjectHolder* pDoc,
+                                      uint32_t objnum) {
+  SetFor(key, new CPDF_Reference(pDoc, objnum));
 }
 
-void CPDF_Dictionary::SetAtNumber(const CFX_ByteString& key, FX_FLOAT f) {
-  SetAt(key, new CPDF_Number(f));
+void CPDF_Dictionary::SetNumberFor(const CFX_ByteString& key, FX_FLOAT f) {
+  SetFor(key, new CPDF_Number(f));
 }
 
-void CPDF_Dictionary::SetAtBoolean(const CFX_ByteString& key, bool bValue) {
-  SetAt(key, new CPDF_Boolean(bValue));
+void CPDF_Dictionary::SetBooleanFor(const CFX_ByteString& key, bool bValue) {
+  SetFor(key, new CPDF_Boolean(bValue));
 }
 
-void CPDF_Dictionary::SetAtRect(const CFX_ByteString& key,
-                                const CFX_FloatRect& rect) {
+void CPDF_Dictionary::SetRectFor(const CFX_ByteString& key,
+                                 const CFX_FloatRect& rect) {
   CPDF_Array* pArray = new CPDF_Array;
   pArray->AddNumber(rect.left);
   pArray->AddNumber(rect.bottom);
   pArray->AddNumber(rect.right);
   pArray->AddNumber(rect.top);
-  SetAt(key, pArray);
+  SetFor(key, pArray);
 }
 
-void CPDF_Dictionary::SetAtMatrix(const CFX_ByteString& key,
-                                  const CFX_Matrix& matrix) {
+void CPDF_Dictionary::SetMatrixFor(const CFX_ByteString& key,
+                                   const CFX_Matrix& matrix) {
   CPDF_Array* pArray = new CPDF_Array;
   pArray->AddNumber(matrix.a);
   pArray->AddNumber(matrix.b);
@@ -261,5 +261,5 @@
   pArray->AddNumber(matrix.d);
   pArray->AddNumber(matrix.e);
   pArray->AddNumber(matrix.f);
-  SetAt(key, pArray);
+  SetFor(key, pArray);
 }
diff --git a/core/fpdfapi/fpdf_parser/cpdf_document.cpp b/core/fpdfapi/fpdf_parser/cpdf_document.cpp
index b3fdc7c..9f5a429 100644
--- a/core/fpdfapi/fpdf_parser/cpdf_document.cpp
+++ b/core/fpdfapi/fpdf_parser/cpdf_document.cpp
@@ -255,27 +255,27 @@
                         CPDF_Dictionary* pPage,
                         FX_BOOL bInsert,
                         std::set<CPDF_Dictionary*>* pVisited) {
-  CPDF_Array* pKidList = pPages->GetArrayBy("Kids");
+  CPDF_Array* pKidList = pPages->GetArrayFor("Kids");
   if (!pKidList)
     return -1;
 
   for (size_t i = 0; i < pKidList->GetCount(); i++) {
     CPDF_Dictionary* pKid = pKidList->GetDictAt(i);
-    if (pKid->GetStringBy("Type") == "Page") {
+    if (pKid->GetStringFor("Type") == "Page") {
       if (nPagesToGo == 0) {
         if (bInsert) {
           pKidList->InsertAt(i, new CPDF_Reference(pDoc, pPage->GetObjNum()));
-          pPage->SetAtReference("Parent", pDoc, pPages->GetObjNum());
+          pPage->SetReferenceFor("Parent", pDoc, pPages->GetObjNum());
         } else {
           pKidList->RemoveAt(i);
         }
-        pPages->SetAtInteger(
-            "Count", pPages->GetIntegerBy("Count") + (bInsert ? 1 : -1));
+        pPages->SetIntegerFor(
+            "Count", pPages->GetIntegerFor("Count") + (bInsert ? 1 : -1));
         return 1;
       }
       nPagesToGo--;
     } else {
-      int nPages = pKid->GetIntegerBy("Count");
+      int nPages = pKid->GetIntegerFor("Count");
       if (nPagesToGo < nPages) {
         if (pdfium::ContainsKey(*pVisited, pKid))
           return -1;
@@ -285,8 +285,8 @@
                                 pVisited) < 0) {
           return -1;
         }
-        pPages->SetAtInteger(
-            "Count", pPages->GetIntegerBy("Count") + (bInsert ? 1 : -1));
+        pPages->SetIntegerFor(
+            "Count", pPages->GetIntegerFor("Count") + (bInsert ? 1 : -1));
         return 1;
       }
       nPagesToGo -= nPages;
@@ -300,7 +300,7 @@
                   CPDF_Dictionary* pPageDict,
                   CFX_ArrayTemplate<uint32_t>& pageList) {
   CPDF_Dictionary* pRoot = pDoc->GetRoot();
-  CPDF_Dictionary* pPages = pRoot ? pRoot->GetDictBy("Pages") : nullptr;
+  CPDF_Dictionary* pPages = pRoot ? pRoot->GetDictFor("Pages") : nullptr;
   if (!pPages)
     return -1;
 
@@ -309,14 +309,14 @@
     return -1;
 
   if (iPage == nPages) {
-    CPDF_Array* pPagesList = pPages->GetArrayBy("Kids");
+    CPDF_Array* pPagesList = pPages->GetArrayFor("Kids");
     if (!pPagesList) {
       pPagesList = new CPDF_Array;
-      pPages->SetAt("Kids", pPagesList);
+      pPages->SetFor("Kids", pPagesList);
     }
     pPagesList->Add(pPageDict, pDoc);
-    pPages->SetAtInteger("Count", nPages + 1);
-    pPageDict->SetAtReference("Parent", pDoc, pPages->GetObjNum());
+    pPages->SetIntegerFor("Count", nPages + 1);
+    pPageDict->SetReferenceFor("Parent", pDoc, pPages->GetObjNum());
   } else {
     std::set<CPDF_Dictionary*> stack = {pPages};
     if (InsertDeletePDFPage(pDoc, pPages, iPage, pPageDict, TRUE, &stack) < 0)
@@ -328,10 +328,10 @@
 
 int CountPages(CPDF_Dictionary* pPages,
                std::set<CPDF_Dictionary*>* visited_pages) {
-  int count = pPages->GetIntegerBy("Count");
+  int count = pPages->GetIntegerFor("Count");
   if (count > 0 && count < FPDF_PAGE_MAX_NUM)
     return count;
-  CPDF_Array* pKidList = pPages->GetArrayBy("Kids");
+  CPDF_Array* pKidList = pPages->GetArrayFor("Kids");
   if (!pKidList)
     return 0;
   count = 0;
@@ -349,7 +349,7 @@
       count++;
     }
   }
-  pPages->SetAtInteger("Count", count);
+  pPages->SetIntegerFor("Count", count);
   return count;
 }
 
@@ -388,11 +388,11 @@
     basefont += ",Bold";
   else if (italic)
     basefont += ",Italic";
-  pBaseDict->SetAtName("Subtype", "TrueType");
-  pBaseDict->SetAtName("BaseFont", basefont);
-  pBaseDict->SetAtNumber("FirstChar", 32);
-  pBaseDict->SetAtNumber("LastChar", 255);
-  pBaseDict->SetAt("Widths", pWidths);
+  pBaseDict->SetNameFor("Subtype", "TrueType");
+  pBaseDict->SetNameFor("BaseFont", basefont);
+  pBaseDict->SetNumberFor("FirstChar", 32);
+  pBaseDict->SetNumberFor("LastChar", 255);
+  pBaseDict->SetFor("Widths", pWidths);
 }
 
 }  // namespace
@@ -446,16 +446,16 @@
   LoadDocInternal();
 
   uint32_t dwPageCount = 0;
-  CPDF_Object* pCount = pLinearizationParams->GetObjectBy("N");
+  CPDF_Object* pCount = pLinearizationParams->GetObjectFor("N");
   if (ToNumber(pCount))
     dwPageCount = pCount->GetInteger();
   m_PageList.SetSize(dwPageCount);
 
-  CPDF_Object* pNo = pLinearizationParams->GetObjectBy("P");
+  CPDF_Object* pNo = pLinearizationParams->GetObjectFor("P");
   if (ToNumber(pNo))
     m_iFirstPageNo = pNo->GetInteger();
 
-  CPDF_Object* pObjNum = pLinearizationParams->GetObjectBy("O");
+  CPDF_Object* pObjNum = pLinearizationParams->GetObjectFor("O");
   if (ToNumber(pObjNum))
     m_dwFirstPageObjNum = pObjNum->GetInteger();
 }
@@ -468,7 +468,7 @@
                                             int iPage,
                                             int nPagesToGo,
                                             int level) {
-  CPDF_Array* pKidList = pPages->GetArrayBy("Kids");
+  CPDF_Array* pKidList = pPages->GetArrayFor("Kids");
   if (!pKidList)
     return nPagesToGo == 0 ? pPages : nullptr;
 
@@ -490,7 +490,7 @@
       m_PageList.SetAt(iPage - nPagesToGo, pKid->GetObjNum());
       nPagesToGo--;
     } else {
-      int nPages = pKid->GetIntegerBy("Count");
+      int nPages = pKid->GetIntegerFor("Count");
       if (nPagesToGo < nPages)
         return FindPDFPage(pKid, iPage, nPagesToGo, level + 1);
 
@@ -502,7 +502,7 @@
 
 CPDF_Dictionary* CPDF_Document::GetPagesDict() const {
   CPDF_Dictionary* pRoot = GetRoot();
-  return pRoot ? pRoot->GetDictBy("Pages") : nullptr;
+  return pRoot ? pRoot->GetDictFor("Pages") : nullptr;
 }
 
 CPDF_Dictionary* CPDF_Document::GetPage(int iPage) {
@@ -550,14 +550,14 @@
     return -1;
   }
 
-  CPDF_Array* pKidList = pNode->GetArrayBy("Kids");
+  CPDF_Array* pKidList = pNode->GetArrayFor("Kids");
   if (!pKidList)
     return -1;
 
   if (level >= FX_MAX_PAGE_LEVEL)
     return -1;
 
-  size_t count = pNode->GetIntegerBy("Count");
+  size_t count = pNode->GetIntegerFor("Count");
   if (count <= skip_count) {
     skip_count -= count;
     index += count;
@@ -673,21 +673,21 @@
 void CPDF_Document::CreateNewDoc() {
   ASSERT(!m_pRootDict && !m_pInfoDict);
   m_pRootDict = new CPDF_Dictionary;
-  m_pRootDict->SetAtName("Type", "Catalog");
+  m_pRootDict->SetNameFor("Type", "Catalog");
   int objnum = AddIndirectObject(m_pRootDict);
   CPDF_Dictionary* pPages = new CPDF_Dictionary;
-  pPages->SetAtName("Type", "Pages");
-  pPages->SetAtNumber("Count", 0);
-  pPages->SetAt("Kids", new CPDF_Array);
+  pPages->SetNameFor("Type", "Pages");
+  pPages->SetNumberFor("Count", 0);
+  pPages->SetFor("Kids", new CPDF_Array);
   objnum = AddIndirectObject(pPages);
-  m_pRootDict->SetAtReference("Pages", this, objnum);
+  m_pRootDict->SetReferenceFor("Pages", this, objnum);
   m_pInfoDict = new CPDF_Dictionary;
   AddIndirectObject(m_pInfoDict);
 }
 
 CPDF_Dictionary* CPDF_Document::CreateNewPage(int iPage) {
   CPDF_Dictionary* pDict = new CPDF_Dictionary;
-  pDict->SetAtName("Type", "Page");
+  pDict->SetNameFor("Type", "Page");
   uint32_t dwObjNum = AddIndirectObject(pDict);
   if (InsertNewPage(this, iPage, pDict, m_PageList) < 0) {
     ReleaseIndirectObject(dwObjNum);
@@ -701,7 +701,7 @@
   if (!pPages)
     return;
 
-  int nPages = pPages->GetIntegerBy("Count");
+  int nPages = pPages->GetIntegerFor("Count");
   if (iPage < 0 || iPage >= nPages)
     return;
 
@@ -730,7 +730,7 @@
   if (i == FX_ArraySize(g_FX_CharsetUnicodes))
     return i;
   CPDF_Dictionary* pEncodingDict = new CPDF_Dictionary;
-  pEncodingDict->SetAtName("BaseEncoding", "WinAnsiEncoding");
+  pEncodingDict->SetNameFor("BaseEncoding", "WinAnsiEncoding");
   CPDF_Array* pArray = new CPDF_Array;
   pArray->AddInteger(128);
   const uint16_t* pUnicodes = g_FX_CharsetUnicodes[i].m_pUnicodes;
@@ -738,9 +738,9 @@
     CFX_ByteString name = PDF_AdobeNameFromUnicode(pUnicodes[j]);
     pArray->AddName(name.IsEmpty() ? ".notdef" : name);
   }
-  pEncodingDict->SetAt("Differences", pArray);
+  pEncodingDict->SetFor("Differences", pArray);
   AddIndirectObject(pEncodingDict);
-  pBaseDict->SetAtReference("Encoding", this, pEncodingDict);
+  pBaseDict->SetReferenceFor("Encoding", this, pEncodingDict);
   return i;
 }
 
@@ -759,7 +759,7 @@
                      false, false, charset == FXFONT_SYMBOL_CHARSET);
 
   CPDF_Dictionary* pBaseDict = new CPDF_Dictionary;
-  pBaseDict->SetAtName("Type", "Font");
+  pBaseDict->SetNameFor("Type", "Font");
   std::unique_ptr<CFX_UnicodeEncoding> pEncoding(
       new CFX_UnicodeEncoding(pFont));
   CPDF_Dictionary* pFontDict = pBaseDict;
@@ -772,7 +772,7 @@
     }
     if (charset == FXFONT_ANSI_CHARSET || charset == FXFONT_DEFAULT_CHARSET ||
         charset == FXFONT_SYMBOL_CHARSET) {
-      pBaseDict->SetAtName("Encoding", "WinAnsiEncoding");
+      pBaseDict->SetNameFor("Encoding", "WinAnsiEncoding");
       for (int charcode = 128; charcode <= 255; charcode++) {
         int glyph_index = pEncoding->GlyphFromCharCode(charcode);
         int char_width = pFont->GetGlyphWidth(glyph_index);
@@ -836,33 +836,33 @@
         InsertWidthArray1(pFont, pEncoding.get(), 0x7e, 0x7e, pWidthArray);
         break;
     }
-    pBaseDict->SetAtName("Subtype", "Type0");
-    pBaseDict->SetAtName("BaseFont", basefont);
-    pBaseDict->SetAtName("Encoding", cmap);
-    pFontDict->SetAt("W", pWidthArray);
-    pFontDict->SetAtName("Type", "Font");
-    pFontDict->SetAtName("Subtype", "CIDFontType2");
-    pFontDict->SetAtName("BaseFont", basefont);
+    pBaseDict->SetNameFor("Subtype", "Type0");
+    pBaseDict->SetNameFor("BaseFont", basefont);
+    pBaseDict->SetNameFor("Encoding", cmap);
+    pFontDict->SetFor("W", pWidthArray);
+    pFontDict->SetNameFor("Type", "Font");
+    pFontDict->SetNameFor("Subtype", "CIDFontType2");
+    pFontDict->SetNameFor("BaseFont", basefont);
     CPDF_Dictionary* pCIDSysInfo = new CPDF_Dictionary;
-    pCIDSysInfo->SetAtString("Registry", "Adobe");
-    pCIDSysInfo->SetAtString("Ordering", ordering);
-    pCIDSysInfo->SetAtInteger("Supplement", supplement);
-    pFontDict->SetAt("CIDSystemInfo", pCIDSysInfo);
+    pCIDSysInfo->SetStringFor("Registry", "Adobe");
+    pCIDSysInfo->SetStringFor("Ordering", ordering);
+    pCIDSysInfo->SetIntegerFor("Supplement", supplement);
+    pFontDict->SetFor("CIDSystemInfo", pCIDSysInfo);
     CPDF_Array* pArray = new CPDF_Array;
-    pBaseDict->SetAt("DescendantFonts", pArray);
+    pBaseDict->SetFor("DescendantFonts", pArray);
     AddIndirectObject(pFontDict);
     pArray->AddReference(this, pFontDict);
   }
   AddIndirectObject(pBaseDict);
   CPDF_Dictionary* pFontDesc = new CPDF_Dictionary;
-  pFontDesc->SetAtName("Type", "FontDescriptor");
-  pFontDesc->SetAtName("FontName", basefont);
-  pFontDesc->SetAtInteger("Flags", flags);
-  pFontDesc->SetAtInteger(
+  pFontDesc->SetNameFor("Type", "FontDescriptor");
+  pFontDesc->SetNameFor("FontName", basefont);
+  pFontDesc->SetIntegerFor("Flags", flags);
+  pFontDesc->SetIntegerFor(
       "ItalicAngle",
       pFont->GetSubstFont() ? pFont->GetSubstFont()->m_ItalicAngle : 0);
-  pFontDesc->SetAtInteger("Ascent", pFont->GetAscent());
-  pFontDesc->SetAtInteger("Descent", pFont->GetDescent());
+  pFontDesc->SetIntegerFor("Ascent", pFont->GetAscent());
+  pFontDesc->SetIntegerFor("Descent", pFont->GetDescent());
   FX_RECT bbox;
   pFont->GetBBox(bbox);
   CPDF_Array* pBBox = new CPDF_Array;
@@ -870,7 +870,7 @@
   pBBox->AddInteger(bbox.bottom);
   pBBox->AddInteger(bbox.right);
   pBBox->AddInteger(bbox.top);
-  pFontDesc->SetAt("FontBBox", pBBox);
+  pFontDesc->SetFor("FontBBox", pBBox);
   int32_t nStemV = 0;
   if (pFont->GetSubstFont()) {
     nStemV = pFont->GetSubstFont()->m_Weight / 5;
@@ -886,9 +886,9 @@
         nStemV = width;
     }
   }
-  pFontDesc->SetAtInteger("StemV", nStemV);
+  pFontDesc->SetIntegerFor("StemV", nStemV);
   AddIndirectObject(pFontDesc);
-  pFontDict->SetAtReference("FontDescriptor", this, pFontDesc);
+  pFontDict->SetReferenceFor("FontDescriptor", this, pFontDesc);
   return LoadFont(pBaseDict);
 }
 
@@ -951,13 +951,13 @@
   FX_Free(tm_buf);
   basefont.Replace(" ", "");
   CPDF_Dictionary* pBaseDict = new CPDF_Dictionary;
-  pBaseDict->SetAtName("Type", "Font");
+  pBaseDict->SetNameFor("Type", "Font");
   CPDF_Dictionary* pFontDict = pBaseDict;
   if (!bCJK) {
     if (pLogFont->lfCharSet == ANSI_CHARSET ||
         pLogFont->lfCharSet == DEFAULT_CHARSET ||
         pLogFont->lfCharSet == SYMBOL_CHARSET) {
-      pBaseDict->SetAtName("Encoding", "WinAnsiEncoding");
+      pBaseDict->SetNameFor("Encoding", "WinAnsiEncoding");
     } else {
       CalculateEncodingDict(pLogFont->lfCharSet, pBaseDict);
     }
@@ -1011,39 +1011,39 @@
         InsertWidthArray(hDC, 0x7e, 0x7e, pWidthArray);
         break;
     }
-    pBaseDict->SetAtName("Subtype", "Type0");
-    pBaseDict->SetAtName("BaseFont", basefont);
-    pBaseDict->SetAtName("Encoding", cmap);
-    pFontDict->SetAt("W", pWidthArray);
-    pFontDict->SetAtName("Type", "Font");
-    pFontDict->SetAtName("Subtype", "CIDFontType2");
-    pFontDict->SetAtName("BaseFont", basefont);
+    pBaseDict->SetNameFor("Subtype", "Type0");
+    pBaseDict->SetNameFor("BaseFont", basefont);
+    pBaseDict->SetNameFor("Encoding", cmap);
+    pFontDict->SetFor("W", pWidthArray);
+    pFontDict->SetNameFor("Type", "Font");
+    pFontDict->SetNameFor("Subtype", "CIDFontType2");
+    pFontDict->SetNameFor("BaseFont", basefont);
     CPDF_Dictionary* pCIDSysInfo = new CPDF_Dictionary;
-    pCIDSysInfo->SetAtString("Registry", "Adobe");
-    pCIDSysInfo->SetAtString("Ordering", ordering);
-    pCIDSysInfo->SetAtInteger("Supplement", supplement);
-    pFontDict->SetAt("CIDSystemInfo", pCIDSysInfo);
+    pCIDSysInfo->SetStringFor("Registry", "Adobe");
+    pCIDSysInfo->SetStringFor("Ordering", ordering);
+    pCIDSysInfo->SetIntegerFor("Supplement", supplement);
+    pFontDict->SetFor("CIDSystemInfo", pCIDSysInfo);
     CPDF_Array* pArray = new CPDF_Array;
-    pBaseDict->SetAt("DescendantFonts", pArray);
+    pBaseDict->SetFor("DescendantFonts", pArray);
     AddIndirectObject(pFontDict);
     pArray->AddReference(this, pFontDict);
   }
   AddIndirectObject(pBaseDict);
   CPDF_Dictionary* pFontDesc = new CPDF_Dictionary;
-  pFontDesc->SetAtName("Type", "FontDescriptor");
-  pFontDesc->SetAtName("FontName", basefont);
-  pFontDesc->SetAtInteger("Flags", flags);
+  pFontDesc->SetNameFor("Type", "FontDescriptor");
+  pFontDesc->SetNameFor("FontName", basefont);
+  pFontDesc->SetIntegerFor("Flags", flags);
   CPDF_Array* pBBox = new CPDF_Array;
   for (int i = 0; i < 4; i++)
     pBBox->AddInteger(bbox[i]);
-  pFontDesc->SetAt("FontBBox", pBBox);
-  pFontDesc->SetAtInteger("ItalicAngle", italicangle);
-  pFontDesc->SetAtInteger("Ascent", ascend);
-  pFontDesc->SetAtInteger("Descent", descend);
-  pFontDesc->SetAtInteger("CapHeight", capheight);
-  pFontDesc->SetAtInteger("StemV", pLogFont->lfWeight / 5);
+  pFontDesc->SetFor("FontBBox", pBBox);
+  pFontDesc->SetIntegerFor("ItalicAngle", italicangle);
+  pFontDesc->SetIntegerFor("Ascent", ascend);
+  pFontDesc->SetIntegerFor("Descent", descend);
+  pFontDesc->SetIntegerFor("CapHeight", capheight);
+  pFontDesc->SetIntegerFor("StemV", pLogFont->lfWeight / 5);
   AddIndirectObject(pFontDesc);
-  pFontDict->SetAtReference("FontDescriptor", this, pFontDesc);
+  pFontDict->SetReferenceFor("FontDescriptor", this, pFontDesc);
   hFont = SelectObject(hDC, hFont);
   DeleteObject(hFont);
   DeleteDC(hDC);
diff --git a/core/fpdfapi/fpdf_parser/cpdf_hint_tables.cpp b/core/fpdfapi/fpdf_parser/cpdf_hint_tables.cpp
index 680939b..b41d052 100644
--- a/core/fpdfapi/fpdf_parser/cpdf_hint_tables.cpp
+++ b/core/fpdfapi/fpdf_parser/cpdf_hint_tables.cpp
@@ -455,7 +455,7 @@
     return false;
 
   CPDF_Dictionary* pDict = pHintStream->GetDict();
-  CPDF_Object* pOffset = pDict ? pDict->GetObjectBy("S") : nullptr;
+  CPDF_Object* pOffset = pDict ? pDict->GetObjectFor("S") : nullptr;
   if (!pOffset || !pOffset->IsNumber())
     return false;
 
@@ -487,22 +487,22 @@
 }
 
 int CPDF_HintTables::GetEndOfFirstPageOffset() const {
-  CPDF_Object* pOffsetE = m_pLinearizedDict->GetDirectObjectBy("E");
+  CPDF_Object* pOffsetE = m_pLinearizedDict->GetDirectObjectFor("E");
   return pOffsetE ? pOffsetE->GetInteger() : -1;
 }
 
 int CPDF_HintTables::GetNumberOfPages() const {
-  CPDF_Object* pPageNum = m_pLinearizedDict->GetDirectObjectBy("N");
+  CPDF_Object* pPageNum = m_pLinearizedDict->GetDirectObjectFor("N");
   return pPageNum ? pPageNum->GetInteger() : 0;
 }
 
 int CPDF_HintTables::GetFirstPageObjectNumber() const {
-  CPDF_Object* pFirstPageObj = m_pLinearizedDict->GetDirectObjectBy("O");
+  CPDF_Object* pFirstPageObj = m_pLinearizedDict->GetDirectObjectFor("O");
   return pFirstPageObj ? pFirstPageObj->GetInteger() : -1;
 }
 
 int CPDF_HintTables::GetFirstPageNumber() const {
-  CPDF_Object* pFirstPageNum = m_pLinearizedDict->GetDirectObjectBy("P");
+  CPDF_Object* pFirstPageNum = m_pLinearizedDict->GetDirectObjectFor("P");
   return pFirstPageNum ? pFirstPageNum->GetInteger() : 0;
 }
 
@@ -515,7 +515,7 @@
 }
 
 int CPDF_HintTables::ReadPrimaryHintStream(int index) const {
-  CPDF_Array* pRange = m_pLinearizedDict->GetArrayBy("H");
+  CPDF_Array* pRange = m_pLinearizedDict->GetArrayFor("H");
   if (!pRange)
     return -1;
 
diff --git a/core/fpdfapi/fpdf_parser/cpdf_object_unittest.cpp b/core/fpdfapi/fpdf_parser/cpdf_object_unittest.cpp
index ec982ab..5772043 100644
--- a/core/fpdfapi/fpdf_parser/cpdf_object_unittest.cpp
+++ b/core/fpdfapi/fpdf_parser/cpdf_object_unittest.cpp
@@ -67,16 +67,16 @@
     m_ArrayObj->InsertAt(1, new CPDF_Name("address"));
     // Dictionary object.
     m_DictObj = new CPDF_Dictionary;
-    m_DictObj->SetAt("bool", new CPDF_Boolean(false));
-    m_DictObj->SetAt("num", new CPDF_Number(0.23f));
+    m_DictObj->SetFor("bool", new CPDF_Boolean(false));
+    m_DictObj->SetFor("num", new CPDF_Number(0.23f));
     // Stream object.
     const char content[] = "abcdefghijklmnopqrstuvwxyz";
     size_t buf_len = FX_ArraySize(content);
     uint8_t* buf = reinterpret_cast<uint8_t*>(malloc(buf_len));
     memcpy(buf, content, buf_len);
     m_StreamDictObj = new CPDF_Dictionary;
-    m_StreamDictObj->SetAt("key1", new CPDF_String(L" test dict"));
-    m_StreamDictObj->SetAt("key2", new CPDF_Number(-1));
+    m_StreamDictObj->SetFor("key1", new CPDF_String(L" test dict"));
+    m_StreamDictObj->SetFor("key2", new CPDF_Number(-1));
     CPDF_Stream* stream_obj = new CPDF_Stream(buf, buf_len, m_StreamDictObj);
     // Null Object.
     CPDF_Null* null_obj = new CPDF_Null;
@@ -136,7 +136,7 @@
           return false;
         for (CPDF_Dictionary::const_iterator it = dict1->begin();
              it != dict1->end(); ++it) {
-          if (!Equal(it->second, dict2->GetObjectBy(it->first)))
+          if (!Equal(it->second, dict2->GetObjectFor(it->first)))
             return false;
         }
         return true;
@@ -559,7 +559,7 @@
         char buf[33];
         key.append(FXSYS_itoa(j, buf, 10));
         int value = j + 200;
-        vals[i]->SetAt(key.c_str(), new CPDF_Number(value));
+        vals[i]->SetFor(key.c_str(), new CPDF_Number(value));
       }
       arr->InsertAt(i, vals[i]);
     }
@@ -586,7 +586,7 @@
         char buf[33];
         key.append(FXSYS_itoa(j, buf, 10));
         int value = j + 200;
-        vals[i]->SetAt(key.c_str(), new CPDF_Number(value));
+        vals[i]->SetFor(key.c_str(), new CPDF_Number(value));
       }
       uint8_t content[] = "content: this is a stream";
       size_t data_size = FX_ArraySize(content);
@@ -626,12 +626,12 @@
     arr_val->AddNumber(2);
     arr->InsertAt(11, arr_val);
     CPDF_Dictionary* dict_val = new CPDF_Dictionary;
-    dict_val->SetAt("key1", new CPDF_String("Linda", false));
-    dict_val->SetAt("key2", new CPDF_String("Zoe", false));
+    dict_val->SetFor("key1", new CPDF_String("Linda", false));
+    dict_val->SetFor("key2", new CPDF_String("Zoe", false));
     arr->InsertAt(12, dict_val);
     CPDF_Dictionary* stream_dict = new CPDF_Dictionary;
-    stream_dict->SetAt("key1", new CPDF_String("John", false));
-    stream_dict->SetAt("key2", new CPDF_String("King", false));
+    stream_dict->SetFor("key1", new CPDF_String("John", false));
+    stream_dict->SetFor("key2", new CPDF_String("King", false));
     uint8_t data[] = "A stream for test";
     // The data buffer will be owned by stream object, so it needs to be
     // dynamically allocated.
@@ -769,9 +769,9 @@
 TEST(PDFDictionaryTest, CloneDirectObject) {
   CPDF_IndirectObjectHolder objects_holder;
   ScopedDict dict(new CPDF_Dictionary);
-  dict->SetAtReference("foo", &objects_holder, 1234);
+  dict->SetReferenceFor("foo", &objects_holder, 1234);
   ASSERT_EQ(1U, dict->GetCount());
-  CPDF_Object* obj = dict->GetObjectBy("foo");
+  CPDF_Object* obj = dict->GetObjectFor("foo");
   ASSERT_TRUE(obj);
   EXPECT_TRUE(obj->IsReference());
 
@@ -781,7 +781,7 @@
 
   ScopedDict cloned_dict(cloned_dict_object->AsDictionary());
   ASSERT_EQ(1U, cloned_dict->GetCount());
-  CPDF_Object* cloned_obj = cloned_dict->GetObjectBy("foo");
+  CPDF_Object* cloned_obj = cloned_dict->GetObjectFor("foo");
   EXPECT_FALSE(cloned_obj);
 }
 
@@ -791,7 +791,7 @@
     ScopedArray arr_obj(new CPDF_Array);
     // Dictionary object.
     CPDF_Dictionary* dict_obj = new CPDF_Dictionary;
-    dict_obj->SetAt("arr", arr_obj.get());
+    dict_obj->SetFor("arr", arr_obj.get());
     arr_obj->InsertAt(0, dict_obj);
 
     // Clone this object to see whether stack overflow will be triggered.
@@ -803,7 +803,7 @@
     ASSERT_TRUE(cloned_dict);
     ASSERT_TRUE(cloned_dict->IsDictionary());
     // Recursively referenced object is not cloned.
-    EXPECT_EQ(nullptr, cloned_dict->AsDictionary()->GetObjectBy("arr"));
+    EXPECT_EQ(nullptr, cloned_dict->AsDictionary()->GetObjectFor("arr"));
   }
   {
     CPDF_IndirectObjectHolder objects_holder;
@@ -812,7 +812,7 @@
     CPDF_Array* arr_obj = new CPDF_Array;
     objects_holder.AddIndirectObject(dict_obj);
     EXPECT_EQ(1u, dict_obj->GetObjNum());
-    dict_obj->SetAt("arr", arr_obj);
+    dict_obj->SetFor("arr", arr_obj);
     arr_obj->InsertAt(0, dict_obj, &objects_holder);
     CPDF_Object* elem0 = arr_obj->GetObjectAt(0);
     ASSERT_TRUE(elem0);
@@ -824,7 +824,7 @@
     ScopedDict cloned_dict(ToDictionary(dict_obj->CloneDirectObject()));
     // Cloned object should be the same as the original.
     ASSERT_TRUE(cloned_dict);
-    CPDF_Object* cloned_arr = cloned_dict->GetObjectBy("arr");
+    CPDF_Object* cloned_arr = cloned_dict->GetObjectFor("arr");
     ASSERT_TRUE(cloned_arr);
     ASSERT_TRUE(cloned_arr->IsArray());
     EXPECT_EQ(1u, cloned_arr->AsArray()->GetCount());
diff --git a/core/fpdfapi/fpdf_parser/cpdf_parser.cpp b/core/fpdfapi/fpdf_parser/cpdf_parser.cpp
index 529e751..51ef73c 100644
--- a/core/fpdfapi/fpdf_parser/cpdf_parser.cpp
+++ b/core/fpdfapi/fpdf_parser/cpdf_parser.cpp
@@ -37,11 +37,11 @@
 }
 
 int32_t GetStreamNCount(CPDF_StreamAcc* pObjStream) {
-  return pObjStream->GetDict()->GetIntegerBy("N");
+  return pObjStream->GetDict()->GetIntegerFor("N");
 }
 
 int32_t GetStreamFirst(CPDF_StreamAcc* pObjStream) {
-  return pObjStream->GetDict()->GetIntegerBy("First");
+  return pObjStream->GetDict()->GetIntegerFor("First");
 }
 
 }  // namespace
@@ -231,7 +231,7 @@
   }
   if (m_pSecurityHandler && !m_pSecurityHandler->IsMetadataEncrypted()) {
     CPDF_Reference* pMetadata =
-        ToReference(m_pDocument->GetRoot()->GetObjectBy("Metadata"));
+        ToReference(m_pDocument->GetRoot()->GetObjectFor("Metadata"));
     if (pMetadata)
       m_pSyntax->m_MetadataObjnum = pMetadata->GetRefObjNum();
   }
@@ -244,7 +244,7 @@
   if (!m_pTrailer)
     return FORMAT_ERROR;
 
-  CPDF_Object* pEncryptObj = m_pTrailer->GetObjectBy("Encrypt");
+  CPDF_Object* pEncryptObj = m_pTrailer->GetObjectFor("Encrypt");
   if (pEncryptObj) {
     if (CPDF_Dictionary* pEncryptDict = pEncryptObj->AsDictionary()) {
       SetEncryptDictionary(pEncryptDict);
@@ -256,7 +256,7 @@
   }
 
   if (m_pEncryptDict) {
-    CFX_ByteString filter = m_pEncryptDict->GetStringBy("Filter");
+    CFX_ByteString filter = m_pEncryptDict->GetStringFor("Filter");
     std::unique_ptr<CPDF_SecurityHandler> pSecurityHandler;
     Error err = HANDLER_ERROR;
     if (filter == "Standard") {
@@ -367,7 +367,7 @@
 
     // SLOW ...
     XRefStreamList.insert(XRefStreamList.begin(),
-                          pDict->GetIntegerBy("XRefStm"));
+                          pDict->GetIntegerFor("XRefStm"));
     m_Trailers.Add(pDict.release());
   }
 
@@ -422,7 +422,7 @@
 
     // SLOW ...
     XRefStreamList.insert(XRefStreamList.begin(),
-                          pDict->GetIntegerBy("XRefStm"));
+                          pDict->GetIntegerFor("XRefStm"));
     m_Trailers.Add(pDict.release());
   }
 
@@ -751,11 +751,11 @@
                 if (CPDF_Stream* pStream = ToStream(pObject)) {
                   if (CPDF_Dictionary* pDict = pStream->GetDict()) {
                     if ((pDict->KeyExist("Type")) &&
-                        (pDict->GetStringBy("Type") == "XRef" &&
+                        (pDict->GetStringFor("Type") == "XRef" &&
                          pDict->KeyExist("Size"))) {
-                      CPDF_Object* pRoot = pDict->GetObjectBy("Root");
+                      CPDF_Object* pRoot = pDict->GetObjectFor("Root");
                       if (pRoot && pRoot->GetDict() &&
-                          pRoot->GetDict()->GetObjectBy("Pages")) {
+                          pRoot->GetDict()->GetObjectFor("Pages")) {
                         if (m_pTrailer)
                           m_pTrailer->Release();
                         m_pTrailer = ToDictionary(pDict->Clone());
@@ -819,7 +819,7 @@
                   if (CPDF_Dictionary* pTrailer =
                           pStream ? pStream->GetDict() : pObj->AsDictionary()) {
                     if (m_pTrailer) {
-                      CPDF_Object* pRoot = pTrailer->GetObjectBy("Root");
+                      CPDF_Object* pRoot = pTrailer->GetObjectFor("Root");
                       CPDF_Reference* pRef = ToReference(pRoot);
                       if (!pRoot ||
                           (pRef && IsValidObjectNumber(pRef->GetRefObjNum()) &&
@@ -832,10 +832,10 @@
                           uint32_t dwObjNum =
                               pElement ? pElement->GetObjNum() : 0;
                           if (dwObjNum) {
-                            m_pTrailer->SetAtReference(key, m_pDocument,
-                                                       dwObjNum);
+                            m_pTrailer->SetReferenceFor(key, m_pDocument,
+                                                        dwObjNum);
                           } else {
-                            m_pTrailer->SetAt(key, pElement->Clone());
+                            m_pTrailer->SetFor(key, pElement->Clone());
                           }
                         }
                       }
@@ -980,8 +980,8 @@
     return FALSE;
 
   CPDF_Dictionary* pDict = pStream->GetDict();
-  *pos = pDict->GetIntegerBy("Prev");
-  int32_t size = pDict->GetIntegerBy("Size");
+  *pos = pDict->GetIntegerFor("Prev");
+  int32_t size = pDict->GetIntegerFor("Size");
   if (size < 0) {
     pStream->Release();
     return FALSE;
@@ -998,7 +998,7 @@
   }
 
   std::vector<std::pair<int32_t, int32_t>> arrIndex;
-  CPDF_Array* pArray = pDict->GetArrayBy("Index");
+  CPDF_Array* pArray = pDict->GetArrayFor("Index");
   if (pArray) {
     for (size_t i = 0; i < pArray->GetCount() / 2; i++) {
       CPDF_Object* pStartNumObj = pArray->GetObjectAt(i * 2);
@@ -1016,7 +1016,7 @@
   if (arrIndex.size() == 0)
     arrIndex.push_back(std::make_pair(0, size));
 
-  pArray = pDict->GetArrayBy("W");
+  pArray = pDict->GetArrayFor("W");
   if (!pArray) {
     pStream->Release();
     return FALSE;
@@ -1107,26 +1107,26 @@
 }
 
 CPDF_Array* CPDF_Parser::GetIDArray() {
-  CPDF_Object* pID = m_pTrailer ? m_pTrailer->GetObjectBy("ID") : nullptr;
+  CPDF_Object* pID = m_pTrailer ? m_pTrailer->GetObjectFor("ID") : nullptr;
   if (!pID)
     return nullptr;
 
   if (CPDF_Reference* pRef = pID->AsReference()) {
     pID = ParseIndirectObject(nullptr, pRef->GetRefObjNum());
-    m_pTrailer->SetAt("ID", pID);
+    m_pTrailer->SetFor("ID", pID);
   }
   return ToArray(pID);
 }
 
 uint32_t CPDF_Parser::GetRootObjNum() {
   CPDF_Reference* pRef =
-      ToReference(m_pTrailer ? m_pTrailer->GetObjectBy("Root") : nullptr);
+      ToReference(m_pTrailer ? m_pTrailer->GetObjectFor("Root") : nullptr);
   return pRef ? pRef->GetRefObjNum() : 0;
 }
 
 uint32_t CPDF_Parser::GetInfoObjNum() {
   CPDF_Reference* pRef =
-      ToReference(m_pTrailer ? m_pTrailer->GetObjectBy("Info") : nullptr);
+      ToReference(m_pTrailer ? m_pTrailer->GetObjectFor("Info") : nullptr);
   return pRef ? pRef->GetRefObjNum() : 0;
 }
 
@@ -1446,7 +1446,7 @@
     return nullptr;
   }
 
-  CPDF_Object* pObj = m_pSyntax->GetObjectByStrict(pObjList, objnum, gennum);
+  CPDF_Object* pObj = m_pSyntax->GetObjectForStrict(pObjList, objnum, gennum);
   if (pResultPos)
     *pResultPos = m_pSyntax->m_Pos;
 
@@ -1470,7 +1470,7 @@
     return 0xFFFFFFFF;
 
   uint32_t dwPermission = m_pSecurityHandler->GetPermissions();
-  if (m_pEncryptDict && m_pEncryptDict->GetStringBy("Filter") == "Standard") {
+  if (m_pEncryptDict && m_pEncryptDict->GetStringFor("Filter") == "Standard") {
     // See PDF Reference 1.7, page 123, table 3.20.
     dwPermission &= 0xFFFFFFFC;
     dwPermission |= 0xFFFFF0C0;
@@ -1505,10 +1505,10 @@
     return FALSE;
 
   CPDF_Dictionary* pDict = m_pLinearized->GetDict();
-  if (pDict && pDict->GetObjectBy("Linearized")) {
+  if (pDict && pDict->GetObjectFor("Linearized")) {
     m_pSyntax->GetNextWord(nullptr);
 
-    CPDF_Object* pLen = pDict->GetObjectBy("L");
+    CPDF_Object* pLen = pDict->GetObjectFor("L");
     if (!pLen) {
       m_pLinearized->Release();
       m_pLinearized = nullptr;
@@ -1518,10 +1518,10 @@
     if (pLen->GetInteger() != (int)pFileAccess->GetSize())
       return FALSE;
 
-    if (CPDF_Number* pNo = ToNumber(pDict->GetObjectBy("P")))
+    if (CPDF_Number* pNo = ToNumber(pDict->GetObjectFor("P")))
       m_dwFirstPageNo = pNo->GetInteger();
 
-    if (CPDF_Number* pTable = ToNumber(pDict->GetObjectBy("T")))
+    if (CPDF_Number* pTable = ToNumber(pDict->GetObjectFor("T")))
       m_LastXRefOffset = pTable->GetInteger();
 
     return TRUE;
@@ -1606,7 +1606,7 @@
 
   if (m_pSecurityHandler && m_pSecurityHandler->IsMetadataEncrypted()) {
     if (CPDF_Reference* pMetadata =
-            ToReference(m_pDocument->GetRoot()->GetObjectBy("Metadata")))
+            ToReference(m_pDocument->GetRoot()->GetObjectFor("Metadata")))
       m_pSyntax->m_MetadataObjnum = pMetadata->GetRefObjNum();
   }
   return SUCCESS;
diff --git a/core/fpdfapi/fpdf_parser/cpdf_security_handler.cpp b/core/fpdfapi/fpdf_parser/cpdf_security_handler.cpp
index 65d3173..bf18028 100644
--- a/core/fpdfapi/fpdf_parser/cpdf_security_handler.cpp
+++ b/core/fpdfapi/fpdf_parser/cpdf_security_handler.cpp
@@ -29,7 +29,7 @@
                     int keylen,
                     FX_BOOL bIgnoreMeta,
                     CPDF_Array* pIdArray) {
-  int revision = pEncrypt->GetIntegerBy("R");
+  int revision = pEncrypt->GetIntegerFor("R");
   uint8_t passcode[32];
   for (uint32_t i = 0; i < 32; i++) {
     passcode[i] = i < pass_size ? password[i] : defpasscode[i - pass_size];
@@ -37,16 +37,16 @@
   uint8_t md5[100];
   CRYPT_MD5Start(md5);
   CRYPT_MD5Update(md5, passcode, 32);
-  CFX_ByteString okey = pEncrypt->GetStringBy("O");
+  CFX_ByteString okey = pEncrypt->GetStringFor("O");
   CRYPT_MD5Update(md5, (uint8_t*)okey.c_str(), okey.GetLength());
-  uint32_t perm = pEncrypt->GetIntegerBy("P");
+  uint32_t perm = pEncrypt->GetIntegerFor("P");
   CRYPT_MD5Update(md5, (uint8_t*)&perm, 4);
   if (pIdArray) {
     CFX_ByteString id = pIdArray->GetStringAt(0);
     CRYPT_MD5Update(md5, (uint8_t*)id.c_str(), id.GetLength());
   }
   if (!bIgnoreMeta && revision >= 3 &&
-      !pEncrypt->GetIntegerBy("EncryptMetadata", 1)) {
+      !pEncrypt->GetIntegerFor("EncryptMetadata", 1)) {
     uint32_t tag = (uint32_t)-1;
     CRYPT_MD5Update(md5, (uint8_t*)&tag, 4);
   }
@@ -115,41 +115,41 @@
                              const CFX_ByteString& name,
                              int& cipher,
                              int& keylen) {
-  int Version = pEncryptDict->GetIntegerBy("V");
+  int Version = pEncryptDict->GetIntegerFor("V");
   cipher = FXCIPHER_RC4;
   keylen = 0;
   if (Version >= 4) {
-    CPDF_Dictionary* pCryptFilters = pEncryptDict->GetDictBy("CF");
+    CPDF_Dictionary* pCryptFilters = pEncryptDict->GetDictFor("CF");
     if (!pCryptFilters) {
       return FALSE;
     }
     if (name == "Identity") {
       cipher = FXCIPHER_NONE;
     } else {
-      CPDF_Dictionary* pDefFilter = pCryptFilters->GetDictBy(name);
+      CPDF_Dictionary* pDefFilter = pCryptFilters->GetDictFor(name);
       if (!pDefFilter) {
         return FALSE;
       }
       int nKeyBits = 0;
       if (Version == 4) {
-        nKeyBits = pDefFilter->GetIntegerBy("Length", 0);
+        nKeyBits = pDefFilter->GetIntegerFor("Length", 0);
         if (nKeyBits == 0) {
-          nKeyBits = pEncryptDict->GetIntegerBy("Length", 128);
+          nKeyBits = pEncryptDict->GetIntegerFor("Length", 128);
         }
       } else {
-        nKeyBits = pEncryptDict->GetIntegerBy("Length", 256);
+        nKeyBits = pEncryptDict->GetIntegerFor("Length", 256);
       }
       if (nKeyBits < 40) {
         nKeyBits *= 8;
       }
       keylen = nKeyBits / 8;
-      CFX_ByteString cipher_name = pDefFilter->GetStringBy("CFM");
+      CFX_ByteString cipher_name = pDefFilter->GetStringFor("CFM");
       if (cipher_name == "AESV2" || cipher_name == "AESV3") {
         cipher = FXCIPHER_AES;
       }
     }
   } else {
-    keylen = Version > 1 ? pEncryptDict->GetIntegerBy("Length", 40) / 8 : 5;
+    keylen = Version > 1 ? pEncryptDict->GetIntegerFor("Length", 40) / 8 : 5;
   }
   if (keylen > 32 || keylen < 0) {
     return FALSE;
@@ -159,14 +159,14 @@
 
 FX_BOOL CPDF_SecurityHandler::LoadDict(CPDF_Dictionary* pEncryptDict) {
   m_pEncryptDict = pEncryptDict;
-  m_Version = pEncryptDict->GetIntegerBy("V");
-  m_Revision = pEncryptDict->GetIntegerBy("R");
-  m_Permissions = pEncryptDict->GetIntegerBy("P", -1);
+  m_Version = pEncryptDict->GetIntegerFor("V");
+  m_Revision = pEncryptDict->GetIntegerFor("R");
+  m_Permissions = pEncryptDict->GetIntegerFor("P", -1);
   if (m_Version < 4)
     return LoadCryptInfo(pEncryptDict, CFX_ByteString(), m_Cipher, m_KeyLen);
 
-  CFX_ByteString stmf_name = pEncryptDict->GetStringBy("StmF");
-  CFX_ByteString strf_name = pEncryptDict->GetStringBy("StrF");
+  CFX_ByteString stmf_name = pEncryptDict->GetStringFor("StmF");
+  CFX_ByteString strf_name = pEncryptDict->GetStringFor("StrF");
   if (stmf_name != strf_name)
     return FALSE;
 
@@ -178,15 +178,15 @@
                                        int& cipher,
                                        int& key_len) {
   m_pEncryptDict = pEncryptDict;
-  m_Version = pEncryptDict->GetIntegerBy("V");
-  m_Revision = pEncryptDict->GetIntegerBy("R");
-  m_Permissions = pEncryptDict->GetIntegerBy("P", -1);
+  m_Version = pEncryptDict->GetIntegerFor("V");
+  m_Revision = pEncryptDict->GetIntegerFor("R");
+  m_Permissions = pEncryptDict->GetIntegerFor("P", -1);
 
   CFX_ByteString strf_name;
   CFX_ByteString stmf_name;
   if (m_Version >= 4) {
-    stmf_name = pEncryptDict->GetStringBy("StmF");
-    strf_name = pEncryptDict->GetStringBy("StrF");
+    stmf_name = pEncryptDict->GetStringFor("StmF");
+    strf_name = pEncryptDict->GetStringFor("StrF");
     if (stmf_name != strf_name)
       return FALSE;
   }
@@ -304,12 +304,12 @@
                                                    FX_BOOL bOwner,
                                                    uint8_t* key) {
   CFX_ByteString okey =
-      m_pEncryptDict ? m_pEncryptDict->GetStringBy("O") : CFX_ByteString();
+      m_pEncryptDict ? m_pEncryptDict->GetStringFor("O") : CFX_ByteString();
   if (okey.GetLength() < 48) {
     return FALSE;
   }
   CFX_ByteString ukey =
-      m_pEncryptDict ? m_pEncryptDict->GetStringBy("U") : CFX_ByteString();
+      m_pEncryptDict ? m_pEncryptDict->GetStringFor("U") : CFX_ByteString();
   if (ukey.GetLength() < 48) {
     return FALSE;
   }
@@ -347,7 +347,7 @@
     CRYPT_SHA256Finish(sha, digest);
   }
   CFX_ByteString ekey = m_pEncryptDict
-                            ? m_pEncryptDict->GetStringBy(bOwner ? "OE" : "UE")
+                            ? m_pEncryptDict->GetStringFor(bOwner ? "OE" : "UE")
                             : CFX_ByteString();
   if (ekey.GetLength() < 32) {
     return FALSE;
@@ -360,7 +360,7 @@
   CRYPT_AESDecrypt(aes, key, ekey.raw_str(), 32);
   CRYPT_AESSetKey(aes, 16, key, 32, FALSE);
   CRYPT_AESSetIV(aes, iv);
-  CFX_ByteString perms = m_pEncryptDict->GetStringBy("Perms");
+  CFX_ByteString perms = m_pEncryptDict->GetStringFor("Perms");
   if (perms.IsEmpty()) {
     return FALSE;
   }
@@ -413,7 +413,7 @@
   CalcEncryptKey(m_pEncryptDict, password, pass_size, key, key_len,
                  bIgnoreEncryptMeta, m_pParser->GetIDArray());
   CFX_ByteString ukey =
-      m_pEncryptDict ? m_pEncryptDict->GetStringBy("U") : CFX_ByteString();
+      m_pEncryptDict ? m_pEncryptDict->GetStringFor("U") : CFX_ByteString();
   if (ukey.GetLength() < 16) {
     return FALSE;
   }
@@ -454,7 +454,7 @@
 CFX_ByteString CPDF_SecurityHandler::GetUserPassword(const uint8_t* owner_pass,
                                                      uint32_t pass_size,
                                                      int32_t key_len) {
-  CFX_ByteString okey = m_pEncryptDict->GetStringBy("O");
+  CFX_ByteString okey = m_pEncryptDict->GetStringFor("O");
   uint8_t passcode[32];
   for (uint32_t i = 0; i < 32; i++) {
     passcode[i] = i < pass_size ? owner_pass[i] : defpasscode[i - pass_size];
@@ -511,7 +511,7 @@
 }
 
 bool CPDF_SecurityHandler::IsMetadataEncrypted() const {
-  return m_pEncryptDict->GetBooleanBy("EncryptMetadata", true);
+  return m_pEncryptDict->GetBooleanFor("EncryptMetadata", true);
 }
 
 void CPDF_SecurityHandler::OnCreate(CPDF_Dictionary* pEncryptDict,
@@ -543,7 +543,7 @@
       AES256_SetPassword(pEncryptDict, owner_pass, owner_size, TRUE,
                          m_EncryptKey);
       AES256_SetPerms(pEncryptDict, m_Permissions,
-                      pEncryptDict->GetBooleanBy("EncryptMetadata", true),
+                      pEncryptDict->GetBooleanFor("EncryptMetadata", true),
                       m_EncryptKey);
     }
     return;
@@ -574,7 +574,7 @@
         CRYPT_ArcFourCryptBlock(passcode, 32, tempkey, key_len);
       }
     }
-    pEncryptDict->SetAtString("O", CFX_ByteString(passcode, 32));
+    pEncryptDict->SetStringFor("O", CFX_ByteString(passcode, 32));
   }
   CalcEncryptKey(m_pEncryptDict, (uint8_t*)user_pass, user_size, m_EncryptKey,
                  key_len, FALSE, pIdArray);
@@ -582,7 +582,7 @@
     uint8_t tempbuf[32];
     FXSYS_memcpy(tempbuf, defpasscode, 32);
     CRYPT_ArcFourCryptBlock(tempbuf, 32, m_EncryptKey, key_len);
-    pEncryptDict->SetAtString("U", CFX_ByteString(tempbuf, 32));
+    pEncryptDict->SetStringFor("U", CFX_ByteString(tempbuf, 32));
   } else {
     uint8_t md5[100];
     CRYPT_MD5Start(md5);
@@ -602,7 +602,7 @@
       CRYPT_ArcFourCryptBlock(digest, 16, tempkey, key_len);
     }
     CRYPT_MD5Generate(digest, 16, digest + 16);
-    pEncryptDict->SetAtString("U", CFX_ByteString(digest, 32));
+    pEncryptDict->SetStringFor("U", CFX_ByteString(digest, 32));
   }
 }
 void CPDF_SecurityHandler::OnCreate(CPDF_Dictionary* pEncryptDict,
@@ -634,7 +634,7 @@
   CRYPT_SHA1Update(sha, (uint8_t*)"hello", 5);
   uint8_t digest[20];
   CRYPT_SHA1Finish(sha, digest);
-  CFX_ByteString ukey = pEncryptDict->GetStringBy("U");
+  CFX_ByteString ukey = pEncryptDict->GetStringFor("U");
   uint8_t digest1[48];
   if (m_Revision >= 6) {
     Revision6_Hash(password, size, digest, bOwner ? ukey.raw_str() : nullptr,
@@ -649,7 +649,7 @@
     CRYPT_SHA256Finish(sha, digest1);
   }
   FXSYS_memcpy(digest1 + 32, digest, 16);
-  pEncryptDict->SetAtString(bOwner ? "O" : "U", CFX_ByteString(digest1, 48));
+  pEncryptDict->SetStringFor(bOwner ? "O" : "U", CFX_ByteString(digest1, 48));
   if (m_Revision >= 6) {
     Revision6_Hash(password, size, digest + 8,
                    bOwner ? ukey.raw_str() : nullptr, digest1);
@@ -669,7 +669,7 @@
   CRYPT_AESSetIV(aes, iv);
   CRYPT_AESEncrypt(aes, digest1, key, 32);
   FX_Free(aes);
-  pEncryptDict->SetAtString(bOwner ? "OE" : "UE", CFX_ByteString(digest1, 32));
+  pEncryptDict->SetStringFor(bOwner ? "OE" : "UE", CFX_ByteString(digest1, 32));
 }
 void CPDF_SecurityHandler::AES256_SetPerms(CPDF_Dictionary* pEncryptDict,
                                            uint32_t permissions,
@@ -695,5 +695,5 @@
   CRYPT_AESSetIV(aes, iv);
   CRYPT_AESEncrypt(aes, buf1, buf, 16);
   FX_Free(aes);
-  pEncryptDict->SetAtString("Perms", CFX_ByteString(buf1, 16));
+  pEncryptDict->SetStringFor("Perms", CFX_ByteString(buf1, 16));
 }
diff --git a/core/fpdfapi/fpdf_parser/cpdf_stream.cpp b/core/fpdfapi/fpdf_parser/cpdf_stream.cpp
index 58b9767..e25180b 100644
--- a/core/fpdfapi/fpdf_parser/cpdf_stream.cpp
+++ b/core/fpdfapi/fpdf_parser/cpdf_stream.cpp
@@ -70,7 +70,7 @@
 
   m_dwSize = size;
   if (m_pDict)
-    m_pDict->SetAtInteger("Length", size);
+    m_pDict->SetIntegerFor("Length", size);
 }
 
 CPDF_Object* CPDF_Stream::Clone() const {
@@ -112,10 +112,10 @@
   m_dwSize = size;
   if (!m_pDict)
     m_pDict = new CPDF_Dictionary;
-  m_pDict->SetAtInteger("Length", size);
+  m_pDict->SetIntegerFor("Length", size);
   if (!bCompressed) {
-    m_pDict->RemoveAt("Filter");
-    m_pDict->RemoveAt("DecodeParms");
+    m_pDict->RemoveFor("Filter");
+    m_pDict->RemoveFor("DecodeParms");
   }
 }
 
@@ -137,7 +137,7 @@
   m_pFile = pFile;
   m_dwSize = (uint32_t)pFile->GetSize();
   if (m_pDict)
-    m_pDict->SetAtInteger("Length", m_dwSize);
+    m_pDict->SetIntegerFor("Length", m_dwSize);
 }
 
 CFX_WideString CPDF_Stream::GetUnicodeText() const {
diff --git a/core/fpdfapi/fpdf_parser/cpdf_syntax_parser.cpp b/core/fpdfapi/fpdf_parser/cpdf_syntax_parser.cpp
index 0eeb4a1..4bfaf99 100644
--- a/core/fpdfapi/fpdf_parser/cpdf_syntax_parser.cpp
+++ b/core/fpdfapi/fpdf_parser/cpdf_syntax_parser.cpp
@@ -469,7 +469,7 @@
         continue;
 
       CFX_ByteString keyNoSlash(key.raw_str() + 1, key.GetLength() - 1);
-      pDict->SetAt(keyNoSlash, pObj);
+      pDict->SetFor(keyNoSlash, pObj);
     }
 
     // Only when this is a signature dictionary and has contents, we reset the
@@ -477,7 +477,7 @@
     if (pDict->IsSignatureDict() && dwSignValuePos) {
       CFX_AutoRestorer<FX_FILESIZE> save_pos(&m_Pos);
       m_Pos = dwSignValuePos;
-      pDict->SetAt("Contents", GetObject(pObjList, objnum, gennum, false));
+      pDict->SetFor("Contents", GetObject(pObjList, objnum, gennum, false));
     }
 
     FX_FILESIZE SavedPos = m_Pos;
@@ -495,7 +495,7 @@
   return nullptr;
 }
 
-CPDF_Object* CPDF_SyntaxParser::GetObjectByStrict(
+CPDF_Object* CPDF_SyntaxParser::GetObjectForStrict(
     CPDF_IndirectObjectHolder* pObjList,
     uint32_t objnum,
     uint32_t gennum) {
@@ -587,8 +587,8 @@
       }
 
       if (key.GetLength() > 1) {
-        pDict->SetAt(CFX_ByteString(key.c_str() + 1, key.GetLength() - 1),
-                     obj.release());
+        pDict->SetFor(CFX_ByteString(key.c_str() + 1, key.GetLength() - 1),
+                      obj.release());
       }
     }
 
@@ -627,7 +627,7 @@
 CPDF_Stream* CPDF_SyntaxParser::ReadStream(CPDF_Dictionary* pDict,
                                            uint32_t objnum,
                                            uint32_t gennum) {
-  CPDF_Object* pLenObj = pDict->GetObjectBy("Length");
+  CPDF_Object* pLenObj = pDict->GetObjectFor("Length");
   FX_FILESIZE len = -1;
   CPDF_Reference* pLenObjRef = ToReference(pLenObj);
 
@@ -733,7 +733,7 @@
         pDict->Release();
         return nullptr;
       }
-      pDict->SetAtInteger("Length", len);
+      pDict->SetIntegerFor("Length", len);
     }
     m_Pos = streamStartPos;
   }
diff --git a/core/fpdfapi/fpdf_parser/cpdf_syntax_parser.h b/core/fpdfapi/fpdf_parser/cpdf_syntax_parser.h
index 63992a8..8ca7e33 100644
--- a/core/fpdfapi/fpdf_parser/cpdf_syntax_parser.h
+++ b/core/fpdfapi/fpdf_parser/cpdf_syntax_parser.h
@@ -32,9 +32,9 @@
                          uint32_t objnum,
                          uint32_t gennum,
                          FX_BOOL bDecrypt);
-  CPDF_Object* GetObjectByStrict(CPDF_IndirectObjectHolder* pObjList,
-                                 uint32_t objnum,
-                                 uint32_t gennum);
+  CPDF_Object* GetObjectForStrict(CPDF_IndirectObjectHolder* pObjList,
+                                  uint32_t objnum,
+                                  uint32_t gennum);
   CFX_ByteString GetKeyword();
 
   void ToNextLine();
diff --git a/core/fpdfapi/fpdf_parser/fpdf_parser_decode.cpp b/core/fpdfapi/fpdf_parser/fpdf_parser_decode.cpp
index 40ba362..72a9518 100644
--- a/core/fpdfapi/fpdf_parser/fpdf_parser_decode.cpp
+++ b/core/fpdfapi/fpdf_parser/fpdf_parser_decode.cpp
@@ -239,12 +239,12 @@
   int Columns = 1728;
   int Rows = 0;
   if (pParams) {
-    K = pParams->GetIntegerBy("K");
-    EndOfLine = pParams->GetIntegerBy("EndOfLine");
-    ByteAlign = pParams->GetIntegerBy("EncodedByteAlign");
-    BlackIs1 = pParams->GetIntegerBy("BlackIs1");
-    Columns = pParams->GetIntegerBy("Columns", 1728);
-    Rows = pParams->GetIntegerBy("Rows");
+    K = pParams->GetIntegerFor("K");
+    EndOfLine = pParams->GetIntegerFor("EndOfLine");
+    ByteAlign = pParams->GetIntegerFor("EncodedByteAlign");
+    BlackIs1 = pParams->GetIntegerFor("BlackIs1");
+    Columns = pParams->GetIntegerFor("Columns", 1728);
+    Rows = pParams->GetIntegerFor("Rows");
     if (Rows > USHRT_MAX) {
       Rows = 0;
     }
@@ -290,10 +290,10 @@
   int predictor = 0;
   int Colors = 0, BitsPerComponent = 0, Columns = 0;
   if (pParams) {
-    predictor = pParams->GetIntegerBy("Predictor");
-    Colors = pParams->GetIntegerBy("Colors", 1);
-    BitsPerComponent = pParams->GetIntegerBy("BitsPerComponent", 8);
-    Columns = pParams->GetIntegerBy("Columns", 1);
+    predictor = pParams->GetIntegerFor("Predictor");
+    Colors = pParams->GetIntegerFor("Colors", 1);
+    BitsPerComponent = pParams->GetIntegerFor("BitsPerComponent", 8);
+    Columns = pParams->GetIntegerFor("Columns", 1);
     if (!CheckFlateDecodeParams(Colors, BitsPerComponent, Columns)) {
       return nullptr;
     }
@@ -314,11 +314,11 @@
   FX_BOOL bEarlyChange = TRUE;
   int Colors = 0, BitsPerComponent = 0, Columns = 0;
   if (pParams) {
-    predictor = pParams->GetIntegerBy("Predictor");
-    bEarlyChange = pParams->GetIntegerBy("EarlyChange", 1);
-    Colors = pParams->GetIntegerBy("Colors", 1);
-    BitsPerComponent = pParams->GetIntegerBy("BitsPerComponent", 8);
-    Columns = pParams->GetIntegerBy("Columns", 1);
+    predictor = pParams->GetIntegerFor("Predictor");
+    bEarlyChange = pParams->GetIntegerFor("EarlyChange", 1);
+    Colors = pParams->GetIntegerFor("Colors", 1);
+    BitsPerComponent = pParams->GetIntegerFor("BitsPerComponent", 8);
+    Columns = pParams->GetIntegerFor("Columns", 1);
     if (!CheckFlateDecodeParams(Colors, BitsPerComponent, Columns)) {
       return (uint32_t)-1;
     }
@@ -337,12 +337,12 @@
                        CPDF_Dictionary*& pImageParms,
                        uint32_t last_estimated_size,
                        FX_BOOL bImageAcc) {
-  CPDF_Object* pDecoder = pDict ? pDict->GetDirectObjectBy("Filter") : nullptr;
+  CPDF_Object* pDecoder = pDict ? pDict->GetDirectObjectFor("Filter") : nullptr;
   if (!pDecoder || (!pDecoder->IsArray() && !pDecoder->IsName()))
     return FALSE;
 
   CPDF_Object* pParams =
-      pDict ? pDict->GetDirectObjectBy("DecodeParms") : nullptr;
+      pDict ? pDict->GetDirectObjectFor("DecodeParms") : nullptr;
 
   std::vector<std::pair<CFX_ByteString, CPDF_Object*>> DecoderArray;
   if (CPDF_Array* pDecoders = pDecoder->AsArray()) {
diff --git a/core/fpdfapi/fpdf_parser/fpdf_parser_utility.cpp b/core/fpdfapi/fpdf_parser/fpdf_parser_utility.cpp
index 6b19582..a9f20a9 100644
--- a/core/fpdfapi/fpdf_parser/fpdf_parser_utility.cpp
+++ b/core/fpdfapi/fpdf_parser/fpdf_parser_utility.cpp
@@ -82,7 +82,7 @@
 }
 
 int32_t GetDirectInteger(CPDF_Dictionary* pDict, const CFX_ByteString& key) {
-  CPDF_Number* pObj = ToNumber(pDict->GetObjectBy(key));
+  CPDF_Number* pObj = ToNumber(pDict->GetObjectFor(key));
   return pObj ? pObj->GetInteger() : 0;
 }
 
diff --git a/core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h b/core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h
index be79737..784d497 100644
--- a/core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h
+++ b/core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h
@@ -32,48 +32,48 @@
   const CPDF_Dictionary* AsDictionary() const override;
 
   size_t GetCount() const { return m_Map.size(); }
-  CPDF_Object* GetObjectBy(const CFX_ByteString& key) const;
-  CPDF_Object* GetDirectObjectBy(const CFX_ByteString& key) const;
-  CFX_ByteString GetStringBy(const CFX_ByteString& key) const;
-  CFX_ByteString GetStringBy(const CFX_ByteString& key,
-                             const CFX_ByteString& default_str) const;
-  CFX_WideString GetUnicodeTextBy(const CFX_ByteString& key) const;
-  int GetIntegerBy(const CFX_ByteString& key) const;
-  int GetIntegerBy(const CFX_ByteString& key, int default_int) const;
-  bool GetBooleanBy(const CFX_ByteString& key, bool bDefault = false) const;
-  FX_FLOAT GetNumberBy(const CFX_ByteString& key) const;
-  CPDF_Dictionary* GetDictBy(const CFX_ByteString& key) const;
-  CPDF_Stream* GetStreamBy(const CFX_ByteString& key) const;
-  CPDF_Array* GetArrayBy(const CFX_ByteString& key) const;
-  CFX_FloatRect GetRectBy(const CFX_ByteString& key) const;
-  CFX_Matrix GetMatrixBy(const CFX_ByteString& key) const;
-  FX_FLOAT GetFloatBy(const CFX_ByteString& key) const {
-    return GetNumberBy(key);
+  CPDF_Object* GetObjectFor(const CFX_ByteString& key) const;
+  CPDF_Object* GetDirectObjectFor(const CFX_ByteString& key) const;
+  CFX_ByteString GetStringFor(const CFX_ByteString& key) const;
+  CFX_ByteString GetStringFor(const CFX_ByteString& key,
+                              const CFX_ByteString& default_str) const;
+  CFX_WideString GetUnicodeTextFor(const CFX_ByteString& key) const;
+  int GetIntegerFor(const CFX_ByteString& key) const;
+  int GetIntegerFor(const CFX_ByteString& key, int default_int) const;
+  bool GetBooleanFor(const CFX_ByteString& key, bool bDefault = false) const;
+  FX_FLOAT GetNumberFor(const CFX_ByteString& key) const;
+  CPDF_Dictionary* GetDictFor(const CFX_ByteString& key) const;
+  CPDF_Stream* GetStreamFor(const CFX_ByteString& key) const;
+  CPDF_Array* GetArrayFor(const CFX_ByteString& key) const;
+  CFX_FloatRect GetRectFor(const CFX_ByteString& key) const;
+  CFX_Matrix GetMatrixFor(const CFX_ByteString& key) const;
+  FX_FLOAT GetFloatFor(const CFX_ByteString& key) const {
+    return GetNumberFor(key);
   }
 
   FX_BOOL KeyExist(const CFX_ByteString& key) const;
   bool IsSignatureDict() const;
 
   // Set* functions invalidate iterators for the element with the key |key|.
-  void SetAt(const CFX_ByteString& key, CPDF_Object* pObj);
-  void SetAtName(const CFX_ByteString& key, const CFX_ByteString& name);
-  void SetAtString(const CFX_ByteString& key, const CFX_ByteString& str);
-  void SetAtInteger(const CFX_ByteString& key, int i);
-  void SetAtNumber(const CFX_ByteString& key, FX_FLOAT f);
-  void SetAtReference(const CFX_ByteString& key,
-                      CPDF_IndirectObjectHolder* pDoc,
-                      uint32_t objnum);
-  void SetAtReference(const CFX_ByteString& key,
-                      CPDF_IndirectObjectHolder* pDoc,
-                      CPDF_Object* obj) {
-    SetAtReference(key, pDoc, obj->GetObjNum());
+  void SetFor(const CFX_ByteString& key, CPDF_Object* pObj);
+  void SetNameFor(const CFX_ByteString& key, const CFX_ByteString& name);
+  void SetStringFor(const CFX_ByteString& key, const CFX_ByteString& str);
+  void SetIntegerFor(const CFX_ByteString& key, int i);
+  void SetNumberFor(const CFX_ByteString& key, FX_FLOAT f);
+  void SetReferenceFor(const CFX_ByteString& key,
+                       CPDF_IndirectObjectHolder* pDoc,
+                       uint32_t objnum);
+  void SetReferenceFor(const CFX_ByteString& key,
+                       CPDF_IndirectObjectHolder* pDoc,
+                       CPDF_Object* obj) {
+    SetReferenceFor(key, pDoc, obj->GetObjNum());
   }
-  void SetAtRect(const CFX_ByteString& key, const CFX_FloatRect& rect);
-  void SetAtMatrix(const CFX_ByteString& key, const CFX_Matrix& matrix);
-  void SetAtBoolean(const CFX_ByteString& key, bool bValue);
+  void SetRectFor(const CFX_ByteString& key, const CFX_FloatRect& rect);
+  void SetMatrixFor(const CFX_ByteString& key, const CFX_Matrix& matrix);
+  void SetBooleanFor(const CFX_ByteString& key, bool bValue);
 
   // Invalidates iterators for the element with the key |key|.
-  void RemoveAt(const CFX_ByteString& key);
+  void RemoveFor(const CFX_ByteString& key);
 
   // Invalidates iterators for the element with the key |oldkey|.
   void ReplaceKey(const CFX_ByteString& oldkey, const CFX_ByteString& newkey);
diff --git a/core/fpdfapi/fpdf_render/fpdf_render.cpp b/core/fpdfapi/fpdf_render/fpdf_render.cpp
index fbb0745..59c8397 100644
--- a/core/fpdfapi/fpdf_render/fpdf_render.cpp
+++ b/core/fpdfapi/fpdf_render/fpdf_render.cpp
@@ -424,7 +424,7 @@
   if (pObj->IsForm()) {
     const CPDF_FormObject* pFormObj = pObj->AsForm();
     if (pFormObj->m_pForm && pFormObj->m_pForm->m_pFormDict) {
-      pFormResource = pFormObj->m_pForm->m_pFormDict->GetDictBy("Resources");
+      pFormResource = pFormObj->m_pForm->m_pFormDict->GetDictFor("Resources");
     }
   }
   CPDF_RenderStatus status;
@@ -440,7 +440,7 @@
 #if defined _SKIA_SUPPORT_
   DebugVerifyDeviceIsPreMultiplied();
 #endif
-  CPDF_Dictionary* pOC = pFormObj->m_pForm->m_pFormDict->GetDictBy("OC");
+  CPDF_Dictionary* pOC = pFormObj->m_pForm->m_pFormDict->GetDictFor("OC");
   if (pOC && m_Options.m_pOCContext &&
       !m_Options.m_pOCContext->CheckOCGVisible(pOC)) {
     return TRUE;
@@ -449,7 +449,7 @@
   matrix.Concat(*pObj2Device);
   CPDF_Dictionary* pResources = nullptr;
   if (pFormObj->m_pForm && pFormObj->m_pForm->m_pFormDict) {
-    pResources = pFormObj->m_pForm->m_pFormDict->GetDictBy("Resources");
+    pResources = pFormObj->m_pForm->m_pFormDict->GetDictFor("Resources");
   }
   CPDF_RenderStatus status;
   status.Initialize(m_pContext, m_pDevice, nullptr, m_pStopObj, this, pFormObj,
@@ -707,7 +707,7 @@
     Transparency = pFormObj->m_pForm->m_Transparency;
     bGroupTransparent = !!(Transparency & PDFTRANS_ISOLATED);
     if (pFormObj->m_pForm->m_pFormDict) {
-      pFormResource = pFormObj->m_pForm->m_pFormDict->GetDictBy("Resources");
+      pFormResource = pFormObj->m_pForm->m_pFormDict->GetDictFor("Resources");
     }
   }
   bool bTextClip =
@@ -730,7 +730,7 @@
                               ->GetImage()
                               ->GetStream()
                               ->GetDict()
-                              ->GetDirectObjectBy("ColorSpace");
+                              ->GetDirectObjectFor("ColorSpace");
     CPDF_ColorSpace* pColorSpace =
         pDocument->LoadColorSpace(pCSObj, pPageResources);
     if (pColorSpace) {
diff --git a/core/fpdfapi/fpdf_render/fpdf_render_image.cpp b/core/fpdfapi/fpdf_render/fpdf_render_image.cpp
index e23cab3..6b84219 100644
--- a/core/fpdfapi/fpdf_render/fpdf_render_image.cpp
+++ b/core/fpdfapi/fpdf_render/fpdf_render_image.cpp
@@ -444,7 +444,7 @@
   }
   if (m_pRenderStatus->m_pDevice->GetDeviceClass() != FXDC_DISPLAY) {
     CPDF_Object* pFilters =
-        m_pImageObject->GetImage()->GetStream()->GetDict()->GetDirectObjectBy(
+        m_pImageObject->GetImage()->GetStream()->GetDict()->GetDirectObjectFor(
             "Filter");
     if (pFilters) {
       if (pFilters->IsName()) {
@@ -490,7 +490,7 @@
     }
     CPDF_Dictionary* pPageResources = pPage ? pPage->m_pPageResources : nullptr;
     CPDF_Object* pCSObj =
-        m_pImageObject->GetImage()->GetStream()->GetDict()->GetDirectObjectBy(
+        m_pImageObject->GetImage()->GetStream()->GetDict()->GetDirectObjectFor(
             "ColorSpace");
     CPDF_ColorSpace* pColorSpace =
         pDocument->LoadColorSpace(pCSObj, pPageResources);
@@ -954,12 +954,12 @@
   if (!pSMaskDict)
     return nullptr;
 
-  CPDF_Stream* pGroup = pSMaskDict->GetStreamBy("G");
+  CPDF_Stream* pGroup = pSMaskDict->GetStreamFor("G");
   if (!pGroup)
     return nullptr;
 
   std::unique_ptr<CPDF_Function> pFunc;
-  CPDF_Object* pFuncObj = pSMaskDict->GetDirectObjectBy("TR");
+  CPDF_Object* pFuncObj = pSMaskDict->GetDirectObjectFor("TR");
   if (pFuncObj && (pFuncObj->IsDictionary() || pFuncObj->IsStream()))
     pFunc = CPDF_Function::Load(pFuncObj);
 
@@ -971,7 +971,7 @@
   form.ParseContent(nullptr, nullptr, nullptr);
 
   CFX_FxgeDevice bitmap_device;
-  FX_BOOL bLuminosity = pSMaskDict->GetStringBy("S") != "Alpha";
+  FX_BOOL bLuminosity = pSMaskDict->GetStringFor("S") != "Alpha";
   int width = pClipRect->right - pClipRect->left;
   int height = pClipRect->bottom - pClipRect->top;
   FXDIB_Format format;
@@ -987,12 +987,12 @@
   CPDF_Object* pCSObj = nullptr;
   CPDF_ColorSpace* pCS = nullptr;
   if (bLuminosity) {
-    CPDF_Array* pBC = pSMaskDict->GetArrayBy("BC");
+    CPDF_Array* pBC = pSMaskDict->GetArrayFor("BC");
     FX_ARGB back_color = 0xff000000;
     if (pBC) {
       CPDF_Dictionary* pDict = pGroup->GetDict();
-      if (pDict && pDict->GetDictBy("Group"))
-        pCSObj = pDict->GetDictBy("Group")->GetDirectObjectBy("CS");
+      if (pDict && pDict->GetDictFor("Group"))
+        pCSObj = pDict->GetDictFor("Group")->GetDirectObjectFor("CS");
       else
         pCSObj = nullptr;
       pCS = m_pContext->GetDocument()->LoadColorSpace(pCSObj);
@@ -1026,7 +1026,7 @@
   }
   CPDF_Dictionary* pFormResource = nullptr;
   if (form.m_pFormDict) {
-    pFormResource = form.m_pFormDict->GetDictBy("Resources");
+    pFormResource = form.m_pFormDict->GetDictFor("Resources");
   }
   CPDF_RenderOptions options;
   options.m_ColorMode = bLuminosity ? RENDER_COLOR_NORMAL : RENDER_COLOR_ALPHA;
diff --git a/core/fpdfapi/fpdf_render/fpdf_render_loadimage.cpp b/core/fpdfapi/fpdf_render/fpdf_render_loadimage.cpp
index f02c59a..20eaba7 100644
--- a/core/fpdfapi/fpdf_render/fpdf_render_loadimage.cpp
+++ b/core/fpdfapi/fpdf_render/fpdf_render_loadimage.cpp
@@ -155,8 +155,8 @@
     return FALSE;
   }
   m_pStream = pStream;
-  m_Width = m_pDict->GetIntegerBy("Width");
-  m_Height = m_pDict->GetIntegerBy("Height");
+  m_Width = m_pDict->GetIntegerFor("Width");
+  m_Height = m_pDict->GetIntegerFor("Height");
   if (m_Width <= 0 || m_Height <= 0 || m_Width > kMaxImageDimension ||
       m_Height > kMaxImageDimension) {
     return FALSE;
@@ -277,8 +277,8 @@
   m_pStream = pStream;
   m_bStdCS = bStdCS;
   m_bHasMask = bHasMask;
-  m_Width = m_pDict->GetIntegerBy("Width");
-  m_Height = m_pDict->GetIntegerBy("Height");
+  m_Width = m_pDict->GetIntegerFor("Width");
+  m_Height = m_pDict->GetIntegerFor("Height");
   if (m_Width <= 0 || m_Height <= 0 || m_Width > kMaxImageDimension ||
       m_Height > kMaxImageDimension) {
     return 0;
@@ -342,7 +342,7 @@
       m_pJbig2Context.reset(new CCodec_Jbig2Context());
       if (m_pStreamAcc->GetImageParam()) {
         CPDF_Stream* pGlobals =
-            m_pStreamAcc->GetImageParam()->GetStreamBy("JBIG2Globals");
+            m_pStreamAcc->GetImageParam()->GetStreamFor("JBIG2Globals");
         if (pGlobals) {
           m_pGlobalStream.reset(new CPDF_StreamAcc);
           m_pGlobalStream->LoadAllData(pGlobals, FALSE);
@@ -405,13 +405,13 @@
 
 bool CPDF_DIBSource::LoadColorInfo(const CPDF_Dictionary* pFormResources,
                                    const CPDF_Dictionary* pPageResources) {
-  m_bpc_orig = m_pDict->GetIntegerBy("BitsPerComponent");
-  if (m_pDict->GetIntegerBy("ImageMask"))
+  m_bpc_orig = m_pDict->GetIntegerFor("BitsPerComponent");
+  if (m_pDict->GetIntegerFor("ImageMask"))
     m_bImageMask = TRUE;
 
   if (m_bImageMask || !m_pDict->KeyExist("ColorSpace")) {
     if (!m_bImageMask) {
-      CPDF_Object* pFilter = m_pDict->GetDirectObjectBy("Filter");
+      CPDF_Object* pFilter = m_pDict->GetDirectObjectFor("Filter");
       if (pFilter) {
         CFX_ByteString filter;
         if (pFilter->IsName()) {
@@ -428,12 +428,12 @@
     }
     m_bImageMask = TRUE;
     m_bpc = m_nComponents = 1;
-    CPDF_Array* pDecode = m_pDict->GetArrayBy("Decode");
+    CPDF_Array* pDecode = m_pDict->GetArrayFor("Decode");
     m_bDefaultDecode = !pDecode || !pDecode->GetIntegerAt(0);
     return true;
   }
 
-  CPDF_Object* pCSObj = m_pDict->GetDirectObjectBy("ColorSpace");
+  CPDF_Object* pCSObj = m_pDict->GetDirectObjectFor("ColorSpace");
   if (!pCSObj)
     return false;
 
@@ -469,7 +469,7 @@
   }
   DIB_COMP_DATA* pCompData = FX_Alloc(DIB_COMP_DATA, m_nComponents);
   int max_data = (1 << m_bpc) - 1;
-  CPDF_Array* pDecode = m_pDict->GetArrayBy("Decode");
+  CPDF_Array* pDecode = m_pDict->GetArrayFor("Decode");
   if (pDecode) {
     for (uint32_t i = 0; i < m_nComponents; i++) {
       pCompData[i].m_DecodeMin = pDecode->GetNumberAt(i * 2);
@@ -499,7 +499,7 @@
     }
   }
   if (!m_pDict->KeyExist("SMask")) {
-    CPDF_Object* pMask = m_pDict->GetDirectObjectBy("Mask");
+    CPDF_Object* pMask = m_pDict->GetDirectObjectFor("Mask");
     if (!pMask) {
       return pCompData;
     }
@@ -551,7 +551,7 @@
   } else if (decoder == "DCTDecode") {
     m_pDecoder.reset(CPDF_ModuleMgr::Get()->GetJpegModule()->CreateDecoder(
         src_data, src_size, m_Width, m_Height, m_nComponents,
-        pParams ? pParams->GetIntegerBy("ColorTransform", 1) : 1));
+        pParams ? pParams->GetIntegerFor("ColorTransform", 1) : 1));
     if (!m_pDecoder) {
       bool bTransform = false;
       int comps;
@@ -700,9 +700,9 @@
 
 CPDF_DIBSource* CPDF_DIBSource::LoadMask(uint32_t& MatteColor) {
   MatteColor = 0xFFFFFFFF;
-  CPDF_Stream* pSoftMask = m_pDict->GetStreamBy("SMask");
+  CPDF_Stream* pSoftMask = m_pDict->GetStreamFor("SMask");
   if (pSoftMask) {
-    CPDF_Array* pMatte = pSoftMask->GetDict()->GetArrayBy("Matte");
+    CPDF_Array* pMatte = pSoftMask->GetDict()->GetArrayFor("Matte");
     if (pMatte && m_pColorSpace &&
         m_pColorSpace->CountComponents() <= m_nComponents) {
       std::vector<FX_FLOAT> colors(m_nComponents);
@@ -717,7 +717,7 @@
     return LoadMaskDIB(pSoftMask);
   }
 
-  if (CPDF_Stream* pStream = ToStream(m_pDict->GetDirectObjectBy("Mask")))
+  if (CPDF_Stream* pStream = ToStream(m_pDict->GetDirectObjectFor("Mask")))
     return LoadMaskDIB(pStream);
 
   return nullptr;
@@ -725,9 +725,9 @@
 
 int CPDF_DIBSource::StratLoadMask() {
   m_MatteColor = 0XFFFFFFFF;
-  m_pMaskStream = m_pDict->GetStreamBy("SMask");
+  m_pMaskStream = m_pDict->GetStreamFor("SMask");
   if (m_pMaskStream) {
-    CPDF_Array* pMatte = m_pMaskStream->GetDict()->GetArrayBy("Matte");
+    CPDF_Array* pMatte = m_pMaskStream->GetDict()->GetArrayFor("Matte");
     if (pMatte && m_pColorSpace &&
         m_pColorSpace->CountComponents() <= m_nComponents) {
       FX_FLOAT R, G, B;
@@ -742,7 +742,7 @@
     return StartLoadMaskDIB();
   }
 
-  m_pMaskStream = ToStream(m_pDict->GetDirectObjectBy("Mask"));
+  m_pMaskStream = ToStream(m_pDict->GetDirectObjectFor("Mask"));
   return m_pMaskStream ? StartLoadMaskDIB() : 1;
 }
 
@@ -869,7 +869,7 @@
 
 void CPDF_DIBSource::ValidateDictParam() {
   m_bpc = m_bpc_orig;
-  CPDF_Object* pFilter = m_pDict->GetDirectObjectBy("Filter");
+  CPDF_Object* pFilter = m_pDict->GetDirectObjectFor("Filter");
   if (pFilter) {
     if (pFilter->IsName()) {
       CFX_ByteString filter = pFilter->GetString();
diff --git a/core/fpdfapi/fpdf_render/fpdf_render_pattern.cpp b/core/fpdfapi/fpdf_render/fpdf_render_pattern.cpp
index 63c67cc..e20138c 100644
--- a/core/fpdfapi/fpdf_render/fpdf_render_pattern.cpp
+++ b/core/fpdfapi/fpdf_render/fpdf_render_pattern.cpp
@@ -46,7 +46,7 @@
                       CPDF_ColorSpace* pCS,
                       int alpha) {
   ASSERT(pBitmap->GetFormat() == FXDIB_Argb);
-  CPDF_Array* pCoords = pDict->GetArrayBy("Coords");
+  CPDF_Array* pCoords = pDict->GetArrayFor("Coords");
   if (!pCoords) {
     return;
   }
@@ -55,13 +55,13 @@
   FX_FLOAT end_x = pCoords->GetNumberAt(2);
   FX_FLOAT end_y = pCoords->GetNumberAt(3);
   FX_FLOAT t_min = 0, t_max = 1.0f;
-  CPDF_Array* pArray = pDict->GetArrayBy("Domain");
+  CPDF_Array* pArray = pDict->GetArrayFor("Domain");
   if (pArray) {
     t_min = pArray->GetNumberAt(0);
     t_max = pArray->GetNumberAt(1);
   }
   FX_BOOL bStartExtend = FALSE, bEndExtend = FALSE;
-  pArray = pDict->GetArrayBy("Extend");
+  pArray = pDict->GetArrayFor("Extend");
   if (pArray) {
     bStartExtend = pArray->GetIntegerAt(0);
     bEndExtend = pArray->GetIntegerAt(1);
@@ -127,7 +127,7 @@
                        CPDF_ColorSpace* pCS,
                        int alpha) {
   ASSERT(pBitmap->GetFormat() == FXDIB_Argb);
-  CPDF_Array* pCoords = pDict->GetArrayBy("Coords");
+  CPDF_Array* pCoords = pDict->GetArrayFor("Coords");
   if (!pCoords) {
     return;
   }
@@ -140,13 +140,13 @@
   CFX_Matrix matrix;
   matrix.SetReverse(*pObject2Bitmap);
   FX_FLOAT t_min = 0, t_max = 1.0f;
-  CPDF_Array* pArray = pDict->GetArrayBy("Domain");
+  CPDF_Array* pArray = pDict->GetArrayFor("Domain");
   if (pArray) {
     t_min = pArray->GetNumberAt(0);
     t_max = pArray->GetNumberAt(1);
   }
   FX_BOOL bStartExtend = FALSE, bEndExtend = FALSE;
-  pArray = pDict->GetArrayBy("Extend");
+  pArray = pDict->GetArrayFor("Extend");
   if (pArray) {
     bStartExtend = pArray->GetIntegerAt(0);
     bEndExtend = pArray->GetIntegerAt(1);
@@ -256,7 +256,7 @@
                      CPDF_ColorSpace* pCS,
                      int alpha) {
   ASSERT(pBitmap->GetFormat() == FXDIB_Argb);
-  CPDF_Array* pDomain = pDict->GetArrayBy("Domain");
+  CPDF_Array* pDomain = pDict->GetArrayFor("Domain");
   FX_FLOAT xmin = 0, ymin = 0, xmax = 1.0f, ymax = 1.0f;
   if (pDomain) {
     xmin = pDomain->GetNumberAt(0);
@@ -264,7 +264,7 @@
     ymin = pDomain->GetNumberAt(2);
     ymax = pDomain->GetNumberAt(3);
   }
-  CFX_Matrix mtDomain2Target = pDict->GetMatrixBy("Matrix");
+  CFX_Matrix mtDomain2Target = pDict->GetMatrixFor("Matrix");
   CFX_Matrix matrix, reverse_matrix;
   matrix.SetReverse(*pObject2Bitmap);
   reverse_matrix.SetReverse(mtDomain2Target);
@@ -450,7 +450,7 @@
     int alpha) {
   ASSERT(pBitmap->GetFormat() == FXDIB_Argb);
 
-  int row_verts = pShadingStream->GetDict()->GetIntegerBy("VerticesPerRow");
+  int row_verts = pShadingStream->GetDict()->GetIntegerFor("VerticesPerRow");
   if (row_verts < 2)
     return;
 
@@ -855,7 +855,7 @@
 
   FX_ARGB background = 0;
   if (!pPattern->IsShadingObject() && pDict->KeyExist("Background")) {
-    CPDF_Array* pBackColor = pDict->GetArrayBy("Background");
+    CPDF_Array* pBackColor = pDict->GetArrayFor("Background");
     if (pBackColor &&
         pBackColor->GetCount() >= pColorSpace->CountComponents()) {
       CFX_FixedBufGrow<FX_FLOAT, 16> comps(pColorSpace->CountComponents());
@@ -868,7 +868,7 @@
     }
   }
   if (pDict->KeyExist("BBox")) {
-    CFX_FloatRect rect = pDict->GetRectBy("BBox");
+    CFX_FloatRect rect = pDict->GetRectFor("BBox");
     rect.Transform(pMatrix);
     clip_rect.Intersect(rect.GetOuterRect());
   }
@@ -1055,7 +1055,7 @@
 
     CPDF_Dictionary* pFormResource = nullptr;
     if (pPattern->form()->m_pFormDict)
-      pFormResource = pPattern->form()->m_pFormDict->GetDictBy("Resources");
+      pFormResource = pPattern->form()->m_pFormDict->GetDictFor("Resources");
 
     for (int col = min_col; col <= max_col; col++)
       for (int row = min_row; row <= max_row; row++) {
diff --git a/core/fpdfapi/fpdf_render/fpdf_render_text.cpp b/core/fpdfapi/fpdf_render/fpdf_render_text.cpp
index fef0bcd..265948f 100644
--- a/core/fpdfapi/fpdf_render/fpdf_render_text.cpp
+++ b/core/fpdfapi/fpdf_render/fpdf_render_text.cpp
@@ -237,7 +237,7 @@
       CPDF_Dictionary* pFormResource = nullptr;
       if (pType3Char->m_pForm && pType3Char->m_pForm->m_pFormDict) {
         pFormResource =
-            pType3Char->m_pForm->m_pFormDict->GetDictBy("Resources");
+            pType3Char->m_pForm->m_pFormDict->GetDictFor("Resources");
       }
       if (fill_alpha == 255) {
         CPDF_RenderStatus status;
diff --git a/core/fpdfdoc/cpdf_aaction.cpp b/core/fpdfdoc/cpdf_aaction.cpp
index c2d77cf..588c4c3 100644
--- a/core/fpdfdoc/cpdf_aaction.cpp
+++ b/core/fpdfdoc/cpdf_aaction.cpp
@@ -19,6 +19,6 @@
 }
 
 CPDF_Action CPDF_AAction::GetAction(AActionType eType) const {
-  return m_pDict ? CPDF_Action(m_pDict->GetDictBy(g_sAATypes[eType]))
+  return m_pDict ? CPDF_Action(m_pDict->GetDictFor(g_sAATypes[eType]))
                  : CPDF_Action();
 }
diff --git a/core/fpdfdoc/cpdf_action.cpp b/core/fpdfdoc/cpdf_action.cpp
index 86fc20e..0255392 100644
--- a/core/fpdfdoc/cpdf_action.cpp
+++ b/core/fpdfdoc/cpdf_action.cpp
@@ -25,11 +25,11 @@
   if (!m_pDict)
     return CPDF_Dest();
 
-  CFX_ByteString type = m_pDict->GetStringBy("S");
+  CFX_ByteString type = m_pDict->GetStringFor("S");
   if (type != "GoTo" && type != "GoToR")
     return CPDF_Dest();
 
-  CPDF_Object* pDest = m_pDict->GetDirectObjectBy("D");
+  CPDF_Object* pDest = m_pDict->GetDirectObjectFor("D");
   if (!pDest)
     return CPDF_Dest();
   if (pDest->IsString() || pDest->IsName()) {
@@ -46,7 +46,7 @@
   if (!m_pDict)
     return Unknown;
 
-  CFX_ByteString csType = m_pDict->GetStringBy("S");
+  CFX_ByteString csType = m_pDict->GetStringFor("S");
   if (csType.IsEmpty())
     return Unknown;
 
@@ -58,20 +58,20 @@
 }
 
 CFX_WideString CPDF_Action::GetFilePath() const {
-  CFX_ByteString type = m_pDict->GetStringBy("S");
+  CFX_ByteString type = m_pDict->GetStringFor("S");
   if (type != "GoToR" && type != "Launch" && type != "SubmitForm" &&
       type != "ImportData") {
     return CFX_WideString();
   }
 
-  CPDF_Object* pFile = m_pDict->GetDirectObjectBy("F");
+  CPDF_Object* pFile = m_pDict->GetDirectObjectFor("F");
   CFX_WideString path;
   if (!pFile) {
     if (type == "Launch") {
-      CPDF_Dictionary* pWinDict = m_pDict->GetDictBy("Win");
+      CPDF_Dictionary* pWinDict = m_pDict->GetDictFor("Win");
       if (pWinDict) {
         return CFX_WideString::FromLocal(
-            pWinDict->GetStringBy("F").AsStringC());
+            pWinDict->GetStringFor("F").AsStringC());
       }
     }
     return path;
@@ -86,15 +86,15 @@
   CFX_ByteString csURI;
   if (!m_pDict)
     return csURI;
-  if (m_pDict->GetStringBy("S") != "URI")
+  if (m_pDict->GetStringFor("S") != "URI")
     return csURI;
 
-  csURI = m_pDict->GetStringBy("URI");
+  csURI = m_pDict->GetStringFor("URI");
   CPDF_Dictionary* pRoot = pDoc->GetRoot();
-  CPDF_Dictionary* pURI = pRoot->GetDictBy("URI");
+  CPDF_Dictionary* pURI = pRoot->GetDictFor("URI");
   if (pURI) {
     if (csURI.Find(":", 0) < 1)
-      csURI = pURI->GetStringBy("Base") + csURI;
+      csURI = pURI->GetStringFor("Base") + csURI;
   }
   return csURI;
 }
@@ -104,7 +104,7 @@
   if (!m_pDict)
     return csJS;
 
-  CPDF_Object* pJS = m_pDict->GetDirectObjectBy("JS");
+  CPDF_Object* pJS = m_pDict->GetDirectObjectFor("JS");
   return pJS ? pJS->GetUnicodeText() : csJS;
 }
 
@@ -112,7 +112,7 @@
   if (!m_pDict || !m_pDict->KeyExist("Next"))
     return 0;
 
-  CPDF_Object* pNext = m_pDict->GetDirectObjectBy("Next");
+  CPDF_Object* pNext = m_pDict->GetDirectObjectFor("Next");
   if (!pNext)
     return 0;
   if (pNext->IsDictionary())
@@ -126,7 +126,7 @@
   if (!m_pDict || !m_pDict->KeyExist("Next"))
     return CPDF_Action();
 
-  CPDF_Object* pNext = m_pDict->GetDirectObjectBy("Next");
+  CPDF_Object* pNext = m_pDict->GetDirectObjectFor("Next");
   if (CPDF_Dictionary* pDict = ToDictionary(pNext)) {
     if (iIndex == 0)
       return CPDF_Action(pDict);
diff --git a/core/fpdfdoc/cpdf_actionfields.cpp b/core/fpdfdoc/cpdf_actionfields.cpp
index 1ad1eb4..438c67c 100644
--- a/core/fpdfdoc/cpdf_actionfields.cpp
+++ b/core/fpdfdoc/cpdf_actionfields.cpp
@@ -18,12 +18,12 @@
   if (!pDict)
     return 0;
 
-  CFX_ByteString csType = pDict->GetStringBy("S");
+  CFX_ByteString csType = pDict->GetStringFor("S");
   CPDF_Object* pFields = nullptr;
   if (csType == "Hide")
-    pFields = pDict->GetDirectObjectBy("T");
+    pFields = pDict->GetDirectObjectFor("T");
   else
-    pFields = pDict->GetArrayBy("Fields");
+    pFields = pDict->GetArrayFor("Fields");
 
   if (!pFields)
     return 0;
@@ -45,12 +45,12 @@
   if (!pDict)
     return fields;
 
-  CFX_ByteString csType = pDict->GetStringBy("S");
+  CFX_ByteString csType = pDict->GetStringFor("S");
   CPDF_Object* pFields;
   if (csType == "Hide")
-    pFields = pDict->GetDirectObjectBy("T");
+    pFields = pDict->GetDirectObjectFor("T");
   else
-    pFields = pDict->GetArrayBy("Fields");
+    pFields = pDict->GetArrayFor("Fields");
 
   if (!pFields)
     return fields;
@@ -75,12 +75,12 @@
   if (!pDict)
     return nullptr;
 
-  CFX_ByteString csType = pDict->GetStringBy("S");
+  CFX_ByteString csType = pDict->GetStringFor("S");
   CPDF_Object* pFields = nullptr;
   if (csType == "Hide")
-    pFields = pDict->GetDirectObjectBy("T");
+    pFields = pDict->GetDirectObjectFor("T");
   else
-    pFields = pDict->GetArrayBy("Fields");
+    pFields = pDict->GetArrayFor("Fields");
 
   if (!pFields)
     return nullptr;
diff --git a/core/fpdfdoc/cpdf_annot.cpp b/core/fpdfdoc/cpdf_annot.cpp
index 0cc3596..bee96a6 100644
--- a/core/fpdfdoc/cpdf_annot.cpp
+++ b/core/fpdfdoc/cpdf_annot.cpp
@@ -39,7 +39,7 @@
       m_pDocument(pDocument),
       m_bOpenState(false),
       m_pPopupAnnot(nullptr) {
-  m_nSubtype = StringToAnnotSubtype(m_pAnnotDict->GetStringBy("Subtype"));
+  m_nSubtype = StringToAnnotSubtype(m_pAnnotDict->GetStringFor("Subtype"));
   GenerateAPIfNeeded();
 }
 
@@ -95,18 +95,18 @@
   if (!m_pAnnotDict)
     return CFX_FloatRect();
 
-  CFX_FloatRect rect = m_pAnnotDict->GetRectBy("Rect");
+  CFX_FloatRect rect = m_pAnnotDict->GetRectFor("Rect");
   rect.Normalize();
   return rect;
 }
 
 uint32_t CPDF_Annot::GetFlags() const {
-  return m_pAnnotDict->GetIntegerBy("F");
+  return m_pAnnotDict->GetIntegerFor("F");
 }
 
 CPDF_Stream* FPDFDOC_GetAnnotAP(CPDF_Dictionary* pAnnotDict,
                                 CPDF_Annot::AppearanceMode mode) {
-  CPDF_Dictionary* pAP = pAnnotDict->GetDictBy("AP");
+  CPDF_Dictionary* pAP = pAnnotDict->GetDictFor("AP");
   if (!pAP) {
     return nullptr;
   }
@@ -118,26 +118,26 @@
   if (!pAP->KeyExist(ap_entry))
     ap_entry = "N";
 
-  CPDF_Object* psub = pAP->GetDirectObjectBy(ap_entry);
+  CPDF_Object* psub = pAP->GetDirectObjectFor(ap_entry);
   if (!psub)
     return nullptr;
   if (CPDF_Stream* pStream = psub->AsStream())
     return pStream;
 
   if (CPDF_Dictionary* pDict = psub->AsDictionary()) {
-    CFX_ByteString as = pAnnotDict->GetStringBy("AS");
+    CFX_ByteString as = pAnnotDict->GetStringFor("AS");
     if (as.IsEmpty()) {
-      CFX_ByteString value = pAnnotDict->GetStringBy("V");
+      CFX_ByteString value = pAnnotDict->GetStringFor("V");
       if (value.IsEmpty()) {
-        CPDF_Dictionary* pParentDict = pAnnotDict->GetDictBy("Parent");
-        value = pParentDict ? pParentDict->GetStringBy("V") : CFX_ByteString();
+        CPDF_Dictionary* pParentDict = pAnnotDict->GetDictFor("Parent");
+        value = pParentDict ? pParentDict->GetStringFor("V") : CFX_ByteString();
       }
       if (value.IsEmpty() || !pDict->KeyExist(value))
         as = "Off";
       else
         as = value;
     }
-    return pDict->GetStreamBy(as);
+    return pDict->GetStreamFor(as);
   }
   return nullptr;
 }
@@ -167,8 +167,8 @@
   if (!pForm) {
     return nullptr;
   }
-  CFX_FloatRect form_bbox = pForm->m_pFormDict->GetRectBy("BBox");
-  CFX_Matrix form_matrix = pForm->m_pFormDict->GetMatrixBy("Matrix");
+  CFX_FloatRect form_bbox = pForm->m_pFormDict->GetRectFor("BBox");
+  CFX_Matrix form_matrix = pForm->m_pFormDict->GetMatrixFor("Matrix");
   form_matrix.TransformRect(form_bbox);
   matrix.MatchRect(pAnnot->GetRect(), form_bbox);
   matrix.Concat(*pUser2Device);
@@ -177,7 +177,7 @@
 
 // Static.
 bool CPDF_Annot::IsAnnotationHidden(CPDF_Dictionary* pAnnotDict) {
-  return !!(pAnnotDict->GetIntegerBy("F") & ANNOTFLAG_HIDDEN);
+  return !!(pAnnotDict->GetIntegerFor("F") & ANNOTFLAG_HIDDEN);
 }
 
 // Static.
@@ -366,12 +366,12 @@
   if (!bPrinting && (annot_flags & ANNOTFLAG_NOVIEW)) {
     return;
   }
-  CPDF_Dictionary* pBS = m_pAnnotDict->GetDictBy("BS");
+  CPDF_Dictionary* pBS = m_pAnnotDict->GetDictFor("BS");
   char style_char;
   FX_FLOAT width;
   CPDF_Array* pDashArray = nullptr;
   if (!pBS) {
-    CPDF_Array* pBorderArray = m_pAnnotDict->GetArrayBy("Border");
+    CPDF_Array* pBorderArray = m_pAnnotDict->GetArrayFor("Border");
     style_char = 'S';
     if (pBorderArray) {
       width = pBorderArray->GetNumberAt(2);
@@ -397,15 +397,15 @@
       width = 1;
     }
   } else {
-    CFX_ByteString style = pBS->GetStringBy("S");
-    pDashArray = pBS->GetArrayBy("D");
+    CFX_ByteString style = pBS->GetStringFor("S");
+    pDashArray = pBS->GetArrayFor("D");
     style_char = style[1];
-    width = pBS->GetNumberBy("W");
+    width = pBS->GetNumberFor("W");
   }
   if (width <= 0) {
     return;
   }
-  CPDF_Array* pColor = m_pAnnotDict->GetArrayBy("C");
+  CPDF_Array* pColor = m_pAnnotDict->GetArrayFor("C");
   uint32_t argb = 0xff000000;
   if (pColor) {
     int R = (int32_t)(pColor->GetNumberAt(0) * 255);
diff --git a/core/fpdfdoc/cpdf_annotlist.cpp b/core/fpdfdoc/cpdf_annotlist.cpp
index 31c8542..8ab99e5 100644
--- a/core/fpdfdoc/cpdf_annotlist.cpp
+++ b/core/fpdfdoc/cpdf_annotlist.cpp
@@ -26,23 +26,23 @@
 
   // TODO(jaepark): We shouldn't strip BOM for some strings and not for others.
   // See pdfium:593.
-  CFX_WideString sContents = pParentDict->GetUnicodeTextBy("Contents");
+  CFX_WideString sContents = pParentDict->GetUnicodeTextFor("Contents");
   if (sContents.IsEmpty())
     return std::unique_ptr<CPDF_Annot>();
 
   CPDF_Dictionary* pAnnotDict = new CPDF_Dictionary;
-  pAnnotDict->SetAtName("Type", "Annot");
-  pAnnotDict->SetAtName("Subtype", "Popup");
-  pAnnotDict->SetAtString("T", pParentDict->GetStringBy("T"));
-  pAnnotDict->SetAtString("Contents", sContents.UTF8Encode());
+  pAnnotDict->SetNameFor("Type", "Annot");
+  pAnnotDict->SetNameFor("Subtype", "Popup");
+  pAnnotDict->SetStringFor("T", pParentDict->GetStringFor("T"));
+  pAnnotDict->SetStringFor("Contents", sContents.UTF8Encode());
 
-  CFX_FloatRect rect = pParentDict->GetRectBy("Rect");
+  CFX_FloatRect rect = pParentDict->GetRectFor("Rect");
   rect.Normalize();
   CFX_FloatRect popupRect(0, 0, 200, 200);
   popupRect.Translate(rect.left, rect.bottom - popupRect.Height());
 
-  pAnnotDict->SetAtRect("Rect", popupRect);
-  pAnnotDict->SetAtInteger("F", 0);
+  pAnnotDict->SetRectFor("Rect", popupRect);
+  pAnnotDict->SetIntegerFor("F", 0);
 
   std::unique_ptr<CPDF_Annot> pPopupAnnot(
       new CPDF_Annot(pAnnotDict, pDocument, true));
@@ -57,14 +57,14 @@
   if (!pPage->m_pFormDict)
     return;
 
-  CPDF_Array* pAnnots = pPage->m_pFormDict->GetArrayBy("Annots");
+  CPDF_Array* pAnnots = pPage->m_pFormDict->GetArrayFor("Annots");
   if (!pAnnots)
     return;
 
   CPDF_Dictionary* pRoot = m_pDocument->GetRoot();
-  CPDF_Dictionary* pAcroForm = pRoot->GetDictBy("AcroForm");
+  CPDF_Dictionary* pAcroForm = pRoot->GetDictFor("AcroForm");
   FX_BOOL bRegenerateAP =
-      pAcroForm && pAcroForm->GetBooleanBy("NeedAppearances");
+      pAcroForm && pAcroForm->GetBooleanFor("NeedAppearances");
   for (size_t i = 0; i < pAnnots->GetCount(); ++i) {
     CPDF_Dictionary* pDict = ToDictionary(pAnnots->GetDirectObjectAt(i));
     if (!pDict)
@@ -81,12 +81,12 @@
 
     // Skip creating Popup annotation in the PDF document since PDFium provides
     // its own Popup annotations.
-    if (pDict->GetStringBy("Subtype") == "Popup")
+    if (pDict->GetStringFor("Subtype") == "Popup")
       continue;
 
     m_AnnotList.push_back(
         std::unique_ptr<CPDF_Annot>(new CPDF_Annot(pDict, m_pDocument, false)));
-    if (bRegenerateAP && pDict->GetStringBy("Subtype") == "Widget" &&
+    if (bRegenerateAP && pDict->GetStringFor("Subtype") == "Widget" &&
         CPDF_InterForm::IsUpdateAPEnabled()) {
       FPDF_GenerateAP(m_pDocument, pDict);
     }
@@ -130,7 +130,7 @@
       CPDF_OCContext* pOCContext = pOptions->m_pOCContext;
       CPDF_Dictionary* pAnnotDict = pAnnot->GetAnnotDict();
       if (pOCContext && pAnnotDict &&
-          !pOCContext->CheckOCGVisible(pAnnotDict->GetDictBy("OC"))) {
+          !pOCContext->CheckOCGVisible(pAnnotDict->GetDictFor("OC"))) {
         continue;
       }
     }
diff --git a/core/fpdfdoc/cpdf_apsettings.cpp b/core/fpdfdoc/cpdf_apsettings.cpp
index f2a802b..3715e8a 100644
--- a/core/fpdfdoc/cpdf_apsettings.cpp
+++ b/core/fpdfdoc/cpdf_apsettings.cpp
@@ -17,7 +17,7 @@
 }
 
 int CPDF_ApSettings::GetRotation() const {
-  return m_pDict ? m_pDict->GetIntegerBy("R") : 0;
+  return m_pDict ? m_pDict->GetIntegerFor("R") : 0;
 }
 
 FX_ARGB CPDF_ApSettings::GetColor(int& iColorType,
@@ -26,7 +26,7 @@
   if (!m_pDict)
     return 0;
 
-  CPDF_Array* pEntry = m_pDict->GetArrayBy(csEntry);
+  CPDF_Array* pEntry = m_pDict->GetArrayFor(csEntry);
   if (!pEntry)
     return 0;
 
@@ -64,7 +64,7 @@
   if (!m_pDict)
     return 0;
 
-  CPDF_Array* pEntry = m_pDict->GetArrayBy(csEntry);
+  CPDF_Array* pEntry = m_pDict->GetArrayFor(csEntry);
   return pEntry ? pEntry->GetNumberAt(index) : 0;
 }
 
@@ -78,7 +78,7 @@
   if (!m_pDict)
     return;
 
-  CPDF_Array* pEntry = m_pDict->GetArrayBy(csEntry);
+  CPDF_Array* pEntry = m_pDict->GetArrayFor(csEntry);
   if (!pEntry)
     return;
 
@@ -102,18 +102,18 @@
 
 CFX_WideString CPDF_ApSettings::GetCaption(
     const CFX_ByteString& csEntry) const {
-  return m_pDict ? m_pDict->GetUnicodeTextBy(csEntry) : CFX_WideString();
+  return m_pDict ? m_pDict->GetUnicodeTextFor(csEntry) : CFX_WideString();
 }
 
 CPDF_Stream* CPDF_ApSettings::GetIcon(const CFX_ByteString& csEntry) const {
-  return m_pDict ? m_pDict->GetStreamBy(csEntry) : nullptr;
+  return m_pDict ? m_pDict->GetStreamFor(csEntry) : nullptr;
 }
 
 CPDF_IconFit CPDF_ApSettings::GetIconFit() const {
-  return CPDF_IconFit(m_pDict ? m_pDict->GetDictBy("IF") : nullptr);
+  return CPDF_IconFit(m_pDict ? m_pDict->GetDictFor("IF") : nullptr);
 }
 
 int CPDF_ApSettings::GetTextPosition() const {
-  return m_pDict ? m_pDict->GetIntegerBy("TP", TEXTPOS_CAPTION)
+  return m_pDict ? m_pDict->GetIntegerFor("TP", TEXTPOS_CAPTION)
                  : TEXTPOS_CAPTION;
 }
diff --git a/core/fpdfdoc/cpdf_bookmark.cpp b/core/fpdfdoc/cpdf_bookmark.cpp
index c9a2199..de9832d 100644
--- a/core/fpdfdoc/cpdf_bookmark.cpp
+++ b/core/fpdfdoc/cpdf_bookmark.cpp
@@ -15,7 +15,7 @@
   if (!m_pDict)
     return FXSYS_RGB(0, 0, 0);
 
-  CPDF_Array* pColor = m_pDict->GetArrayBy("C");
+  CPDF_Array* pColor = m_pDict->GetArrayFor("C");
   if (!pColor)
     return FXSYS_RGB(0, 0, 0);
 
@@ -26,14 +26,14 @@
 }
 
 uint32_t CPDF_Bookmark::GetFontStyle() const {
-  return m_pDict ? m_pDict->GetIntegerBy("F") : 0;
+  return m_pDict ? m_pDict->GetIntegerFor("F") : 0;
 }
 
 CFX_WideString CPDF_Bookmark::GetTitle() const {
   if (!m_pDict)
     return CFX_WideString();
 
-  CPDF_String* pString = ToString(m_pDict->GetDirectObjectBy("Title"));
+  CPDF_String* pString = ToString(m_pDict->GetDirectObjectFor("Title"));
   if (!pString)
     return CFX_WideString();
 
@@ -54,7 +54,7 @@
   if (!m_pDict)
     return CPDF_Dest();
 
-  CPDF_Object* pDest = m_pDict->GetDirectObjectBy("Dest");
+  CPDF_Object* pDest = m_pDict->GetDirectObjectFor("Dest");
   if (!pDest)
     return CPDF_Dest();
   if (pDest->IsString() || pDest->IsName()) {
@@ -67,5 +67,5 @@
 }
 
 CPDF_Action CPDF_Bookmark::GetAction() const {
-  return m_pDict ? CPDF_Action(m_pDict->GetDictBy("A")) : CPDF_Action();
+  return m_pDict ? CPDF_Action(m_pDict->GetDictFor("A")) : CPDF_Action();
 }
diff --git a/core/fpdfdoc/cpdf_bookmarktree.cpp b/core/fpdfdoc/cpdf_bookmarktree.cpp
index 5ebb317..c10fabb 100644
--- a/core/fpdfdoc/cpdf_bookmarktree.cpp
+++ b/core/fpdfdoc/cpdf_bookmarktree.cpp
@@ -12,14 +12,14 @@
     const CPDF_Bookmark& parent) const {
   CPDF_Dictionary* pParentDict = parent.GetDict();
   if (pParentDict)
-    return CPDF_Bookmark(pParentDict->GetDictBy("First"));
+    return CPDF_Bookmark(pParentDict->GetDictFor("First"));
 
   CPDF_Dictionary* pRoot = m_pDocument->GetRoot();
   if (!pRoot)
     return CPDF_Bookmark();
 
-  CPDF_Dictionary* pOutlines = pRoot->GetDictBy("Outlines");
-  return pOutlines ? CPDF_Bookmark(pOutlines->GetDictBy("First"))
+  CPDF_Dictionary* pOutlines = pRoot->GetDictFor("Outlines");
+  return pOutlines ? CPDF_Bookmark(pOutlines->GetDictFor("First"))
                    : CPDF_Bookmark();
 }
 
@@ -29,6 +29,6 @@
   if (!pDict)
     return CPDF_Bookmark();
 
-  CPDF_Dictionary* pNext = pDict->GetDictBy("Next");
+  CPDF_Dictionary* pNext = pDict->GetDictFor("Next");
   return pNext == pDict ? CPDF_Bookmark() : CPDF_Bookmark(pNext);
 }
diff --git a/core/fpdfdoc/cpdf_filespec.cpp b/core/fpdfdoc/cpdf_filespec.cpp
index 2084606..3176eb5 100644
--- a/core/fpdfdoc/cpdf_filespec.cpp
+++ b/core/fpdfdoc/cpdf_filespec.cpp
@@ -80,23 +80,23 @@
 
 bool CPDF_FileSpec::GetFileName(CFX_WideString* csFileName) const {
   if (CPDF_Dictionary* pDict = m_pObj->AsDictionary()) {
-    *csFileName = pDict->GetUnicodeTextBy("UF");
+    *csFileName = pDict->GetUnicodeTextFor("UF");
     if (csFileName->IsEmpty()) {
       *csFileName =
-          CFX_WideString::FromLocal(pDict->GetStringBy("F").AsStringC());
+          CFX_WideString::FromLocal(pDict->GetStringFor("F").AsStringC());
     }
-    if (pDict->GetStringBy("FS") == "URL")
+    if (pDict->GetStringFor("FS") == "URL")
       return true;
     if (csFileName->IsEmpty()) {
       if (pDict->KeyExist("DOS")) {
         *csFileName =
-            CFX_WideString::FromLocal(pDict->GetStringBy("DOS").AsStringC());
+            CFX_WideString::FromLocal(pDict->GetStringFor("DOS").AsStringC());
       } else if (pDict->KeyExist("Mac")) {
         *csFileName =
-            CFX_WideString::FromLocal(pDict->GetStringBy("Mac").AsStringC());
+            CFX_WideString::FromLocal(pDict->GetStringFor("Mac").AsStringC());
       } else if (pDict->KeyExist("Unix")) {
         *csFileName =
-            CFX_WideString::FromLocal(pDict->GetStringBy("Unix").AsStringC());
+            CFX_WideString::FromLocal(pDict->GetStringFor("Unix").AsStringC());
       } else {
         return false;
       }
@@ -112,7 +112,7 @@
 
 CPDF_FileSpec::CPDF_FileSpec() {
   m_pObj = new CPDF_Dictionary;
-  m_pObj->AsDictionary()->SetAtName("Type", "Filespec");
+  m_pObj->AsDictionary()->SetNameFor("Type", "Filespec");
 }
 
 CFX_WideString CPDF_FileSpec::EncodeFileName(const CFX_WideStringC& filepath) {
@@ -161,7 +161,7 @@
   if (m_pObj->IsString()) {
     m_pObj->SetString(CFX_ByteString::FromUnicode(wsStr));
   } else if (CPDF_Dictionary* pDict = m_pObj->AsDictionary()) {
-    pDict->SetAtString("F", CFX_ByteString::FromUnicode(wsStr));
-    pDict->SetAtString("UF", PDF_EncodeText(wsStr));
+    pDict->SetStringFor("F", CFX_ByteString::FromUnicode(wsStr));
+    pDict->SetStringFor("UF", PDF_EncodeText(wsStr));
   }
 }
diff --git a/core/fpdfdoc/cpdf_filespec_unittest.cpp b/core/fpdfdoc/cpdf_filespec_unittest.cpp
index 0843f30..f63c388 100644
--- a/core/fpdfdoc/cpdf_filespec_unittest.cpp
+++ b/core/fpdfdoc/cpdf_filespec_unittest.cpp
@@ -109,13 +109,13 @@
     CPDF_FileSpec file_spec(dict_obj.get());
     CFX_WideString file_name;
     for (int i = 0; i < 5; ++i) {
-      dict_obj->SetAt(keywords[i], new CPDF_String(test_data[i].input));
+      dict_obj->SetFor(keywords[i], new CPDF_String(test_data[i].input));
       EXPECT_TRUE(file_spec.GetFileName(&file_name));
       EXPECT_TRUE(file_name == test_data[i].expected);
     }
 
     // With all the former fields and 'FS' field suggests 'URL' type.
-    dict_obj->SetAtString("FS", "URL");
+    dict_obj->SetStringFor("FS", "URL");
     EXPECT_TRUE(file_spec.GetFileName(&file_name));
     // Url string is not decoded.
     EXPECT_TRUE(file_name == test_data[4].input);
@@ -159,9 +159,9 @@
   CPDF_FileSpec file_spec2(dict_obj.get());
   file_spec2.SetFileName(test_data.input);
   // Check internal object value.
-  file_name = dict_obj->GetUnicodeTextBy("F");
+  file_name = dict_obj->GetUnicodeTextFor("F");
   EXPECT_TRUE(file_name == test_data.expected);
-  file_name = dict_obj->GetUnicodeTextBy("UF");
+  file_name = dict_obj->GetUnicodeTextFor("UF");
   EXPECT_TRUE(file_name == test_data.expected);
   // Check we can get the file name back.
   EXPECT_TRUE(file_spec2.GetFileName(&file_name));
diff --git a/core/fpdfdoc/cpdf_formcontrol.cpp b/core/fpdfdoc/cpdf_formcontrol.cpp
index 9d13484..c633d0c 100644
--- a/core/fpdfdoc/cpdf_formcontrol.cpp
+++ b/core/fpdfdoc/cpdf_formcontrol.cpp
@@ -35,11 +35,11 @@
   ASSERT(GetType() == CPDF_FormField::CheckBox ||
          GetType() == CPDF_FormField::RadioButton);
   CFX_ByteString csOn;
-  CPDF_Dictionary* pAP = m_pWidgetDict->GetDictBy("AP");
+  CPDF_Dictionary* pAP = m_pWidgetDict->GetDictFor("AP");
   if (!pAP)
     return csOn;
 
-  CPDF_Dictionary* pN = pAP->GetDictBy("N");
+  CPDF_Dictionary* pN = pAP->GetDictFor("N");
   if (!pN)
     return csOn;
 
@@ -59,11 +59,11 @@
   else if (csValue == "Off")
     csValue = "Yes";
 
-  CFX_ByteString csAS = m_pWidgetDict->GetStringBy("AS", "Off");
+  CFX_ByteString csAS = m_pWidgetDict->GetStringFor("AS", "Off");
   if (csAS != "Off")
-    m_pWidgetDict->SetAtName("AS", csValue);
+    m_pWidgetDict->SetNameFor("AS", csValue);
 
-  CPDF_Dictionary* pAP = m_pWidgetDict->GetDictBy("AP");
+  CPDF_Dictionary* pAP = m_pWidgetDict->GetDictFor("AP");
   if (!pAP)
     return;
 
@@ -129,7 +129,7 @@
   ASSERT(GetType() == CPDF_FormField::CheckBox ||
          GetType() == CPDF_FormField::RadioButton);
   CFX_ByteString csOn = GetOnStateName();
-  CFX_ByteString csAS = m_pWidgetDict->GetStringBy("AS");
+  CFX_ByteString csAS = m_pWidgetDict->GetStringFor("AS");
   return csAS == csOn;
 }
 
@@ -149,13 +149,13 @@
   ASSERT(GetType() == CPDF_FormField::CheckBox ||
          GetType() == CPDF_FormField::RadioButton);
   CFX_ByteString csOn = GetOnStateName();
-  CFX_ByteString csOldAS = m_pWidgetDict->GetStringBy("AS", "Off");
+  CFX_ByteString csOldAS = m_pWidgetDict->GetStringFor("AS", "Off");
   CFX_ByteString csAS = "Off";
   if (bChecked)
     csAS = csOn;
   if (csOldAS == csAS)
     return;
-  m_pWidgetDict->SetAtName("AS", csAS);
+  m_pWidgetDict->SetNameFor("AS", csAS);
 }
 
 void CPDF_FormControl::DrawControl(CFX_RenderDevice* pDevice,
@@ -163,22 +163,22 @@
                                    CPDF_Page* pPage,
                                    CPDF_Annot::AppearanceMode mode,
                                    const CPDF_RenderOptions* pOptions) {
-  if (m_pWidgetDict->GetIntegerBy("F") & ANNOTFLAG_HIDDEN)
+  if (m_pWidgetDict->GetIntegerFor("F") & ANNOTFLAG_HIDDEN)
     return;
 
   CPDF_Stream* pStream = FPDFDOC_GetAnnotAP(m_pWidgetDict, mode);
   if (!pStream)
     return;
 
-  CFX_FloatRect form_bbox = pStream->GetDict()->GetRectBy("BBox");
-  CFX_Matrix form_matrix = pStream->GetDict()->GetMatrixBy("Matrix");
+  CFX_FloatRect form_bbox = pStream->GetDict()->GetRectFor("BBox");
+  CFX_Matrix form_matrix = pStream->GetDict()->GetMatrixFor("Matrix");
   form_matrix.TransformRect(form_bbox);
-  CFX_FloatRect arect = m_pWidgetDict->GetRectBy("Rect");
+  CFX_FloatRect arect = m_pWidgetDict->GetRectFor("Rect");
   CFX_Matrix matrix;
   matrix.MatchRect(arect, form_bbox);
   matrix.Concat(*pMatrix);
   CPDF_Form form(m_pField->m_pForm->m_pDocument,
-                 m_pField->m_pForm->m_pFormDict->GetDictBy("DR"), pStream);
+                 m_pField->m_pForm->m_pFormDict->GetDictFor("DR"), pStream);
   form.ParseContent(nullptr, nullptr, nullptr);
   CPDF_RenderContext context(pPage);
   context.AppendLayer(&form, &matrix);
@@ -189,7 +189,7 @@
   if (!m_pWidgetDict)
     return Invert;
 
-  CFX_ByteString csH = m_pWidgetDict->GetStringBy("H", "I");
+  CFX_ByteString csH = m_pWidgetDict->GetStringFor("H", "I");
   for (size_t i = 0; i < FX_ArraySize(g_sHighlightingMode); ++i) {
     if (csH == g_sHighlightingMode[i])
       return static_cast<HighlightingMode>(i);
@@ -198,7 +198,7 @@
 }
 
 CPDF_ApSettings CPDF_FormControl::GetMK() const {
-  return CPDF_ApSettings(m_pWidgetDict ? m_pWidgetDict->GetDictBy("MK")
+  return CPDF_ApSettings(m_pWidgetDict ? m_pWidgetDict->GetDictFor("MK")
                                        : nullptr);
 }
 
@@ -247,7 +247,7 @@
     return CPDF_Action();
 
   if (m_pWidgetDict->KeyExist("A"))
-    return CPDF_Action(m_pWidgetDict->GetDictBy("A"));
+    return CPDF_Action(m_pWidgetDict->GetDictFor("A"));
 
   CPDF_Object* pObj = FPDF_GetFieldAttr(m_pField->m_pDict, "A");
   if (!pObj)
@@ -261,7 +261,7 @@
     return CPDF_AAction();
 
   if (m_pWidgetDict->KeyExist("AA"))
-    return CPDF_AAction(m_pWidgetDict->GetDictBy("AA"));
+    return CPDF_AAction(m_pWidgetDict->GetDictFor("AA"));
   return m_pField->GetAdditionalAction();
 }
 
@@ -270,7 +270,7 @@
     return CPDF_DefaultAppearance();
 
   if (m_pWidgetDict->KeyExist("DA"))
-    return CPDF_DefaultAppearance(m_pWidgetDict->GetStringBy("DA"));
+    return CPDF_DefaultAppearance(m_pWidgetDict->GetStringFor("DA"));
 
   CPDF_Object* pObj = FPDF_GetFieldAttr(m_pField->m_pDict, "DA");
   if (pObj)
@@ -288,9 +288,9 @@
 
   CPDF_Object* pObj = FPDF_GetFieldAttr(m_pWidgetDict, "DR");
   if (CPDF_Dictionary* pDict = ToDictionary(pObj)) {
-    CPDF_Dictionary* pFonts = pDict->GetDictBy("Font");
+    CPDF_Dictionary* pFonts = pDict->GetDictFor("Font");
     if (pFonts) {
-      CPDF_Dictionary* pElement = pFonts->GetDictBy(csFontNameTag);
+      CPDF_Dictionary* pElement = pFonts->GetDictFor(csFontNameTag);
       if (pElement) {
         CPDF_Font* pFont = m_pField->m_pForm->m_pDocument->LoadFont(pElement);
         if (pFont)
@@ -301,12 +301,12 @@
   if (CPDF_Font* pFormFont = m_pField->m_pForm->GetFormFont(csFontNameTag))
     return pFormFont;
 
-  CPDF_Dictionary* pPageDict = m_pWidgetDict->GetDictBy("P");
+  CPDF_Dictionary* pPageDict = m_pWidgetDict->GetDictFor("P");
   pObj = FPDF_GetFieldAttr(pPageDict, "Resources");
   if (CPDF_Dictionary* pDict = ToDictionary(pObj)) {
-    CPDF_Dictionary* pFonts = pDict->GetDictBy("Font");
+    CPDF_Dictionary* pFonts = pDict->GetDictFor("Font");
     if (pFonts) {
-      CPDF_Dictionary* pElement = pFonts->GetDictBy(csFontNameTag);
+      CPDF_Dictionary* pElement = pFonts->GetDictFor(csFontNameTag);
       if (pElement) {
         CPDF_Font* pFont = m_pField->m_pForm->m_pDocument->LoadFont(pElement);
         if (pFont)
@@ -321,7 +321,7 @@
   if (!m_pWidgetDict)
     return 0;
   if (m_pWidgetDict->KeyExist("Q"))
-    return m_pWidgetDict->GetIntegerBy("Q", 0);
+    return m_pWidgetDict->GetIntegerFor("Q", 0);
 
   CPDF_Object* pObj = FPDF_GetFieldAttr(m_pField->m_pDict, "Q");
   if (pObj)
diff --git a/core/fpdfdoc/cpdf_formfield.cpp b/core/fpdfdoc/cpdf_formfield.cpp
index 8d7d0b4..cbce1aa 100644
--- a/core/fpdfdoc/cpdf_formfield.cpp
+++ b/core/fpdfdoc/cpdf_formfield.cpp
@@ -56,11 +56,11 @@
   if (!pFieldDict)
     return nullptr;
 
-  CPDF_Object* pAttr = pFieldDict->GetDirectObjectBy(name);
+  CPDF_Object* pAttr = pFieldDict->GetDirectObjectFor(name);
   if (pAttr)
     return pAttr;
 
-  CPDF_Dictionary* pParent = pFieldDict->GetDictBy("Parent");
+  CPDF_Dictionary* pParent = pFieldDict->GetDictFor("Parent");
   if (!pParent)
     return nullptr;
   return FPDF_GetFieldAttr(pParent, name, nLevel + 1);
@@ -72,14 +72,14 @@
   CPDF_Dictionary* pLevel = pFieldDict;
   while (pLevel) {
     visited.insert(pLevel);
-    CFX_WideString short_name = pLevel->GetUnicodeTextBy("T");
+    CFX_WideString short_name = pLevel->GetUnicodeTextFor("T");
     if (!short_name.IsEmpty()) {
       if (full_name.IsEmpty())
         full_name = short_name;
       else
         full_name = short_name + L"." + full_name;
     }
-    pLevel = pLevel->GetDictBy("Parent");
+    pLevel = pLevel->GetDictFor("Parent");
     if (pdfium::ContainsKey(visited, pLevel))
       break;
   }
@@ -223,14 +223,14 @@
         if (!pClone)
           return FALSE;
 
-        m_pDict->SetAt("V", pClone);
+        m_pDict->SetFor("V", pClone);
         if (pRV) {
           CPDF_Object* pCloneR = pDV->Clone();
-          m_pDict->SetAt("RV", pCloneR);
+          m_pDict->SetFor("RV", pCloneR);
         }
       } else {
-        m_pDict->RemoveAt("V");
-        m_pDict->RemoveAt("RV");
+        m_pDict->RemoveFor("V");
+        m_pDict->RemoveFor("RV");
       }
       if (bNotify)
         NotifyAfterValueChange();
@@ -364,12 +364,12 @@
       int iIndex = FindOptionValue(csValue);
       if (iIndex < 0) {
         CFX_ByteString bsEncodeText = PDF_EncodeText(csValue);
-        m_pDict->SetAtString(bDefault ? "DV" : "V", bsEncodeText);
+        m_pDict->SetStringFor(bDefault ? "DV" : "V", bsEncodeText);
         if (m_Type == RichText && !bDefault)
-          m_pDict->SetAtString("RV", bsEncodeText);
-        m_pDict->RemoveAt("I");
+          m_pDict->SetStringFor("RV", bsEncodeText);
+        m_pDict->RemoveFor("I");
       } else {
-        m_pDict->SetAtString(bDefault ? "DV" : "V", PDF_EncodeText(csValue));
+        m_pDict->SetStringFor(bDefault ? "DV" : "V", PDF_EncodeText(csValue));
         if (!bDefault) {
           ClearSelection();
           SetItemSelection(iIndex, TRUE);
@@ -419,7 +419,7 @@
 
     CPDF_Dictionary* pWidgetDict = pControl->m_pWidgetDict;
     if (pWidgetDict->KeyExist("MaxLen"))
-      return pWidgetDict->GetIntegerBy("MaxLen");
+      return pWidgetDict->GetIntegerFor("MaxLen");
   }
   return 0;
 }
@@ -486,8 +486,8 @@
     if (!NotifyListOrComboBoxBeforeChange(csValue))
       return FALSE;
   }
-  m_pDict->RemoveAt("V");
-  m_pDict->RemoveAt("I");
+  m_pDict->RemoveFor("V");
+  m_pDict->RemoveFor("I");
   if (bNotify)
     NotifyListOrComboBoxAfterChange();
   return TRUE;
@@ -551,7 +551,7 @@
     if (GetType() == ListBox) {
       SelectOption(index, TRUE);
       if (!(m_Flags & kFormListMultiSelect)) {
-        m_pDict->SetAtString("V", PDF_EncodeText(opt_value));
+        m_pDict->SetStringFor("V", PDF_EncodeText(opt_value));
       } else {
         CPDF_Array* pArray = new CPDF_Array;
         for (int i = 0; i < CountOptions(); i++) {
@@ -560,13 +560,13 @@
             pArray->AddString(PDF_EncodeText(opt_value));
           }
         }
-        m_pDict->SetAt("V", pArray);
+        m_pDict->SetFor("V", pArray);
       }
     } else {
-      m_pDict->SetAtString("V", PDF_EncodeText(opt_value));
+      m_pDict->SetStringFor("V", PDF_EncodeText(opt_value));
       CPDF_Array* pI = new CPDF_Array;
       pI->AddInteger(index);
-      m_pDict->SetAt("I", pI);
+      m_pDict->SetFor("I", pI);
     }
   } else {
     CPDF_Object* pValue = FPDF_GetFieldAttr(m_pDict, "V");
@@ -575,7 +575,7 @@
         SelectOption(index, FALSE);
         if (pValue->IsString()) {
           if (pValue->GetUnicodeText() == opt_value)
-            m_pDict->RemoveAt("V");
+            m_pDict->RemoveFor("V");
         } else if (pValue->IsArray()) {
           CPDF_Array* pArray = new CPDF_Array;
           for (int i = 0; i < CountOptions(); i++) {
@@ -587,11 +587,11 @@
           if (pArray->GetCount() < 1)
             pArray->Release();
           else
-            m_pDict->SetAt("V", pArray);
+            m_pDict->SetFor("V", pArray);
         }
       } else {
-        m_pDict->RemoveAt("V");
-        m_pDict->RemoveAt("I");
+        m_pDict->RemoveFor("V");
+        m_pDict->RemoveFor("I");
       }
     }
   }
@@ -683,7 +683,7 @@
   CPDF_Array* pOpt = ToArray(pValue);
   if (!pOpt) {
     pOpt = new CPDF_Array;
-    m_pDict->SetAt("Opt", pOpt);
+    m_pDict->SetFor("Opt", pOpt);
   }
 
   int iCount = pdfium::base::checked_cast<int, size_t>(pOpt->GetCount());
@@ -710,11 +710,11 @@
       return FALSE;
   }
 
-  m_pDict->RemoveAt("Opt");
-  m_pDict->RemoveAt("V");
-  m_pDict->RemoveAt("DV");
-  m_pDict->RemoveAt("I");
-  m_pDict->RemoveAt("TI");
+  m_pDict->RemoveFor("Opt");
+  m_pDict->RemoveFor("V");
+  m_pDict->RemoveFor("DV");
+  m_pDict->RemoveFor("I");
+  m_pDict->RemoveFor("TI");
 
   if (bNotify)
     NotifyListOrComboBoxAfterChange();
@@ -760,19 +760,19 @@
   CPDF_Object* pOpt = FPDF_GetFieldAttr(m_pDict, "Opt");
   if (!ToArray(pOpt)) {
     if (bChecked) {
-      m_pDict->SetAtName("V", csBExport);
+      m_pDict->SetNameFor("V", csBExport);
     } else {
       CFX_ByteString csV;
       CPDF_Object* pV = FPDF_GetFieldAttr(m_pDict, "V");
       if (pV)
         csV = pV->GetString();
       if (csV == csBExport)
-        m_pDict->SetAtName("V", "Off");
+        m_pDict->SetNameFor("V", "Off");
     }
   } else if (bChecked) {
     CFX_ByteString csIndex;
     csIndex.Format("%d", iControlIndex);
-    m_pDict->SetAtName("V", csIndex);
+    m_pDict->SetNameFor("V", csIndex);
   }
   if (bNotify && m_pForm->m_pFormNotify)
     m_pForm->m_pFormNotify->AfterCheckedStatusChange(this);
@@ -850,13 +850,13 @@
 FX_BOOL CPDF_FormField::SelectOption(int iOptIndex,
                                      FX_BOOL bSelected,
                                      FX_BOOL bNotify) {
-  CPDF_Array* pArray = m_pDict->GetArrayBy("I");
+  CPDF_Array* pArray = m_pDict->GetArrayFor("I");
   if (!pArray) {
     if (!bSelected)
       return TRUE;
 
     pArray = new CPDF_Array;
-    m_pDict->SetAt("I", pArray);
+    m_pDict->SetFor("I", pArray);
   }
 
   FX_BOOL bReturn = FALSE;
@@ -895,7 +895,7 @@
       pArray->AddInteger(iOptIndex);
 
     if (pArray->IsEmpty())
-      m_pDict->RemoveAt("I");
+      m_pDict->RemoveFor("I");
   }
   if (bNotify)
     NotifyListOrComboBoxAfterChange();
@@ -913,7 +913,7 @@
     if (!NotifyListOrComboBoxBeforeChange(csValue))
       return FALSE;
   }
-  m_pDict->RemoveAt("I");
+  m_pDict->RemoveFor("I");
   if (bNotify)
     NotifyListOrComboBoxAfterChange();
 
@@ -930,23 +930,23 @@
     DA = pObj->GetString();
 
   if (DA.IsEmpty())
-    DA = pFormDict->GetStringBy("DA");
+    DA = pFormDict->GetStringFor("DA");
 
   if (DA.IsEmpty())
     return;
 
-  CPDF_Dictionary* pDR = pFormDict->GetDictBy("DR");
+  CPDF_Dictionary* pDR = pFormDict->GetDictFor("DR");
   if (!pDR)
     return;
 
-  CPDF_Dictionary* pFont = pDR->GetDictBy("Font");
+  CPDF_Dictionary* pFont = pDR->GetDictFor("Font");
   if (!pFont)
     return;
 
   CPDF_SimpleParser syntax(DA.AsStringC());
   syntax.FindTagParamFromStart("Tf", 2);
   CFX_ByteString font_name(syntax.GetWord());
-  CPDF_Dictionary* pFontDict = pFont->GetDictBy(font_name);
+  CPDF_Dictionary* pFontDict = pFont->GetDictFor(font_name);
   if (!pFontDict)
     return;
 
diff --git a/core/fpdfdoc/cpdf_formfield_unittest.cpp b/core/fpdfdoc/cpdf_formfield_unittest.cpp
index 33a2118..7677f45 100644
--- a/core/fpdfdoc/cpdf_formfield_unittest.cpp
+++ b/core/fpdfdoc/cpdf_formfield_unittest.cpp
@@ -14,31 +14,31 @@
   CPDF_IndirectObjectHolder obj_holder;
   CPDF_Dictionary* root = new CPDF_Dictionary;
   obj_holder.AddIndirectObject(root);
-  root->SetAtName("T", "foo");
+  root->SetNameFor("T", "foo");
   name = FPDF_GetFullName(root);
   EXPECT_STREQ("foo", name.UTF8Encode().c_str());
 
   CPDF_Dictionary* dict1 = new CPDF_Dictionary;
   obj_holder.AddIndirectObject(dict1);
-  dict1->SetAtName("T", "bar");
-  root->SetAtReference("Parent", &obj_holder, dict1);
+  dict1->SetNameFor("T", "bar");
+  root->SetReferenceFor("Parent", &obj_holder, dict1);
   name = FPDF_GetFullName(root);
   EXPECT_STREQ("bar.foo", name.UTF8Encode().c_str());
 
   CPDF_Dictionary* dict2 = new CPDF_Dictionary;
   obj_holder.AddIndirectObject(dict2);
-  dict1->SetAt("Parent", dict2);
+  dict1->SetFor("Parent", dict2);
   name = FPDF_GetFullName(root);
   EXPECT_STREQ("bar.foo", name.UTF8Encode().c_str());
 
   CPDF_Dictionary* dict3 = new CPDF_Dictionary;
   obj_holder.AddIndirectObject(dict3);
-  dict3->SetAtName("T", "qux");
-  dict2->SetAtReference("Parent", &obj_holder, dict3);
+  dict3->SetNameFor("T", "qux");
+  dict2->SetReferenceFor("Parent", &obj_holder, dict3);
   name = FPDF_GetFullName(root);
   EXPECT_STREQ("qux.bar.foo", name.UTF8Encode().c_str());
 
-  dict3->SetAtReference("Parent", &obj_holder, root);
+  dict3->SetReferenceFor("Parent", &obj_holder, root);
   name = FPDF_GetFullName(root);
   EXPECT_STREQ("qux.bar.foo", name.UTF8Encode().c_str());
   name = FPDF_GetFullName(dict1);
diff --git a/core/fpdfdoc/cpdf_iconfit.cpp b/core/fpdfdoc/cpdf_iconfit.cpp
index 3b3a09a..d86c4d9 100644
--- a/core/fpdfdoc/cpdf_iconfit.cpp
+++ b/core/fpdfdoc/cpdf_iconfit.cpp
@@ -14,7 +14,7 @@
   if (!m_pDict)
     return Always;
 
-  CFX_ByteString csSW = m_pDict->GetStringBy("SW", "A");
+  CFX_ByteString csSW = m_pDict->GetStringFor("SW", "A");
   if (csSW == "B")
     return Bigger;
   if (csSW == "S")
@@ -25,7 +25,7 @@
 }
 
 FX_BOOL CPDF_IconFit::IsProportionalScale() {
-  return m_pDict ? m_pDict->GetStringBy("S", "P") != "A" : TRUE;
+  return m_pDict ? m_pDict->GetStringFor("S", "P") != "A" : TRUE;
 }
 
 void CPDF_IconFit::GetIconPosition(FX_FLOAT& fLeft, FX_FLOAT& fBottom) {
@@ -33,7 +33,7 @@
   if (!m_pDict)
     return;
 
-  CPDF_Array* pA = m_pDict->GetArrayBy("A");
+  CPDF_Array* pA = m_pDict->GetArrayFor("A");
   if (pA) {
     uint32_t dwCount = pA->GetCount();
     if (dwCount > 0)
@@ -44,5 +44,5 @@
 }
 
 bool CPDF_IconFit::GetFittingBounds() {
-  return m_pDict ? m_pDict->GetBooleanBy("FB") : false;
+  return m_pDict ? m_pDict->GetBooleanFor("FB") : false;
 }
diff --git a/core/fpdfdoc/cpdf_interform.cpp b/core/fpdfdoc/cpdf_interform.cpp
index 0ebf446..196eecc 100644
--- a/core/fpdfdoc/cpdf_interform.cpp
+++ b/core/fpdfdoc/cpdf_interform.cpp
@@ -36,7 +36,7 @@
 
 CFX_WideString GetFieldValue(const CPDF_Dictionary& pFieldDict,
                              const CFX_ByteString& bsEncoding) {
-  const CFX_ByteString csBValue = pFieldDict.GetStringBy("V");
+  const CFX_ByteString csBValue = pFieldDict.GetStringFor("V");
   for (const auto& encoding : g_fieldEncoding) {
     if (bsEncoding == encoding.m_name)
       return CFX_WideString::FromCodePage(csBValue.AsStringC(),
@@ -61,7 +61,7 @@
     pFormDict = new CPDF_Dictionary;
     uint32_t dwObjNum = pDocument->AddIndirectObject(pFormDict);
     CPDF_Dictionary* pRoot = pDocument->GetRoot();
-    pRoot->SetAtReference("AcroForm", pDocument, dwObjNum);
+    pRoot->SetReferenceFor("AcroForm", pDocument, dwObjNum);
   }
 
   CFX_ByteString csDA;
@@ -94,18 +94,18 @@
 
   csDA += "0 g";
   if (!pFormDict->KeyExist("DA"))
-    pFormDict->SetAtString("DA", csDA);
+    pFormDict->SetStringFor("DA", csDA);
 }
 
 uint32_t CountFonts(CPDF_Dictionary* pFormDict) {
   if (!pFormDict)
     return 0;
 
-  CPDF_Dictionary* pDR = pFormDict->GetDictBy("DR");
+  CPDF_Dictionary* pDR = pFormDict->GetDictFor("DR");
   if (!pDR)
     return 0;
 
-  CPDF_Dictionary* pFonts = pDR->GetDictBy("Font");
+  CPDF_Dictionary* pFonts = pDR->GetDictFor("Font");
   if (!pFonts)
     return 0;
 
@@ -116,7 +116,7 @@
       continue;
 
     if (CPDF_Dictionary* pDirect = ToDictionary(pObj->GetDirect())) {
-      if (pDirect->GetStringBy("Type") == "Font")
+      if (pDirect->GetStringFor("Type") == "Font")
         dwCount++;
     }
   }
@@ -130,11 +130,11 @@
   if (!pFormDict)
     return nullptr;
 
-  CPDF_Dictionary* pDR = pFormDict->GetDictBy("DR");
+  CPDF_Dictionary* pDR = pFormDict->GetDictFor("DR");
   if (!pDR)
     return nullptr;
 
-  CPDF_Dictionary* pFonts = pDR->GetDictBy("Font");
+  CPDF_Dictionary* pFonts = pDR->GetDictFor("Font");
   if (!pFonts)
     return nullptr;
 
@@ -148,7 +148,7 @@
     CPDF_Dictionary* pElement = ToDictionary(pObj->GetDirect());
     if (!pElement)
       continue;
-    if (pElement->GetStringBy("Type") != "Font")
+    if (pElement->GetStringFor("Type") != "Font")
       continue;
     if (dwCount == index) {
       csNameTag = csKey;
@@ -166,19 +166,19 @@
   if (!pFormDict || csAlias.IsEmpty())
     return nullptr;
 
-  CPDF_Dictionary* pDR = pFormDict->GetDictBy("DR");
+  CPDF_Dictionary* pDR = pFormDict->GetDictFor("DR");
   if (!pDR)
     return nullptr;
 
-  CPDF_Dictionary* pFonts = pDR->GetDictBy("Font");
+  CPDF_Dictionary* pFonts = pDR->GetDictFor("Font");
   if (!pFonts)
     return nullptr;
 
-  CPDF_Dictionary* pElement = pFonts->GetDictBy(csAlias);
+  CPDF_Dictionary* pElement = pFonts->GetDictFor(csAlias);
   if (!pElement)
     return nullptr;
 
-  if (pElement->GetStringBy("Type") == "Font")
+  if (pElement->GetStringFor("Type") == "Font")
     return pDocument->LoadFont(pElement);
   return nullptr;
 }
@@ -190,11 +190,11 @@
   if (!pFormDict || csFontName.IsEmpty())
     return nullptr;
 
-  CPDF_Dictionary* pDR = pFormDict->GetDictBy("DR");
+  CPDF_Dictionary* pDR = pFormDict->GetDictFor("DR");
   if (!pDR)
     return nullptr;
 
-  CPDF_Dictionary* pFonts = pDR->GetDictBy("Font");
+  CPDF_Dictionary* pFonts = pDR->GetDictFor("Font");
   if (!pFonts)
     return nullptr;
 
@@ -207,7 +207,7 @@
     CPDF_Dictionary* pElement = ToDictionary(pObj->GetDirect());
     if (!pElement)
       continue;
-    if (pElement->GetStringBy("Type") != "Font")
+    if (pElement->GetStringFor("Type") != "Font")
       continue;
 
     CPDF_Font* pFind = pDocument->LoadFont(pElement);
@@ -232,11 +232,11 @@
   if (!pFormDict)
     return nullptr;
 
-  CPDF_Dictionary* pDR = pFormDict->GetDictBy("DR");
+  CPDF_Dictionary* pDR = pFormDict->GetDictFor("DR");
   if (!pDR)
     return nullptr;
 
-  CPDF_Dictionary* pFonts = pDR->GetDictBy("Font");
+  CPDF_Dictionary* pFonts = pDR->GetDictFor("Font");
   if (!pFonts)
     return nullptr;
 
@@ -249,7 +249,7 @@
     CPDF_Dictionary* pElement = ToDictionary(pObj->GetDirect());
     if (!pElement)
       continue;
-    if (pElement->GetStringBy("Type") != "Font")
+    if (pElement->GetStringFor("Type") != "Font")
       continue;
     CPDF_Font* pFind = pDocument->LoadFont(pElement);
     if (!pFind)
@@ -272,7 +272,7 @@
   if (!pFormDict)
     return nullptr;
 
-  CPDF_DefaultAppearance cDA(pFormDict->GetStringBy("DA"));
+  CPDF_DefaultAppearance cDA(pFormDict->GetStringFor("DA"));
   CFX_ByteString csFontNameTag;
   FX_FLOAT fFontSize;
   cDA.GetFont(csFontNameTag, fFontSize);
@@ -285,11 +285,11 @@
   if (!pFormDict || !pFont)
     return FALSE;
 
-  CPDF_Dictionary* pDR = pFormDict->GetDictBy("DR");
+  CPDF_Dictionary* pDR = pFormDict->GetDictFor("DR");
   if (!pDR)
     return FALSE;
 
-  CPDF_Dictionary* pFonts = pDR->GetDictBy("Font");
+  CPDF_Dictionary* pFonts = pDR->GetDictFor("Font");
   if (!pFonts)
     return FALSE;
 
@@ -302,7 +302,7 @@
     CPDF_Dictionary* pElement = ToDictionary(pObj->GetDirect());
     if (!pElement)
       continue;
-    if (pElement->GetStringBy("Type") != "Font")
+    if (pElement->GetStringFor("Type") != "Font")
       continue;
     if (pFont->GetFontDict() == pElement) {
       csNameTag = csKey;
@@ -336,11 +336,11 @@
   if (!pFormDict)
     return FALSE;
 
-  CPDF_Dictionary* pDR = pFormDict->GetDictBy("DR");
+  CPDF_Dictionary* pDR = pFormDict->GetDictFor("DR");
   if (!pDR)
     return FALSE;
 
-  CPDF_Dictionary* pFonts = pDR->GetDictBy("Font");
+  CPDF_Dictionary* pFonts = pDR->GetDictFor("Font");
   if (!pFonts)
     return FALSE;
   if (csFontName.GetLength() > 0)
@@ -355,7 +355,7 @@
     CPDF_Dictionary* pElement = ToDictionary(pObj->GetDirect());
     if (!pElement)
       continue;
-    if (pElement->GetStringBy("Type") != "Font")
+    if (pElement->GetStringFor("Type") != "Font")
       continue;
 
     pFont = pDocument->LoadFont(pElement);
@@ -390,15 +390,15 @@
   if (!pFormDict)
     InitDict(pFormDict, pDocument);
 
-  CPDF_Dictionary* pDR = pFormDict->GetDictBy("DR");
+  CPDF_Dictionary* pDR = pFormDict->GetDictFor("DR");
   if (!pDR) {
     pDR = new CPDF_Dictionary;
-    pFormDict->SetAt("DR", pDR);
+    pFormDict->SetFor("DR", pDR);
   }
-  CPDF_Dictionary* pFonts = pDR->GetDictBy("Font");
+  CPDF_Dictionary* pFonts = pDR->GetDictFor("Font");
   if (!pFonts) {
     pFonts = new CPDF_Dictionary;
-    pDR->SetAt("Font", pFonts);
+    pDR->SetFor("Font", pFonts);
   }
   if (csNameTag.IsEmpty())
     csNameTag = pFont->GetBaseFont();
@@ -406,7 +406,7 @@
   csNameTag.Remove(' ');
   csNameTag = CPDF_InterForm::GenerateNewResourceName(pDR, "Font", 4,
                                                       csNameTag.c_str());
-  pFonts->SetAtReference(csNameTag, pDocument, pFont->GetFontDict());
+  pFonts->SetReferenceFor(csNameTag, pDocument, pFont->GetFontDict());
 }
 
 CPDF_Font* AddNativeFont(CPDF_Dictionary*& pFormDict,
@@ -442,24 +442,24 @@
   if (!FindFont(pFormDict, pFont, csTag))
     return;
 
-  CPDF_Dictionary* pDR = pFormDict->GetDictBy("DR");
-  CPDF_Dictionary* pFonts = pDR->GetDictBy("Font");
-  pFonts->RemoveAt(csTag);
+  CPDF_Dictionary* pDR = pFormDict->GetDictFor("DR");
+  CPDF_Dictionary* pFonts = pDR->GetDictFor("Font");
+  pFonts->RemoveFor(csTag);
 }
 
 void RemoveFont(CPDF_Dictionary* pFormDict, CFX_ByteString csNameTag) {
   if (!pFormDict || csNameTag.IsEmpty())
     return;
 
-  CPDF_Dictionary* pDR = pFormDict->GetDictBy("DR");
+  CPDF_Dictionary* pDR = pFormDict->GetDictFor("DR");
   if (!pDR)
     return;
 
-  CPDF_Dictionary* pFonts = pDR->GetDictBy("Font");
+  CPDF_Dictionary* pFonts = pDR->GetDictFor("Font");
   if (!pFonts)
     return;
 
-  pFonts->RemoveAt(csNameTag);
+  pFonts->RemoveFor(csNameTag);
 }
 
 class CFieldNameExtractor {
@@ -815,11 +815,11 @@
   if (!pRoot)
     return;
 
-  m_pFormDict = pRoot->GetDictBy("AcroForm");
+  m_pFormDict = pRoot->GetDictFor("AcroForm");
   if (!m_pFormDict)
     return;
 
-  CPDF_Array* pFields = m_pFormDict->GetArrayBy("Fields");
+  CPDF_Array* pFields = m_pFormDict->GetArrayFor("Fields");
   if (!pFields)
     return;
 
@@ -880,7 +880,7 @@
   if (!pResDict)
     return csTmp;
 
-  CPDF_Dictionary* pDict = pResDict->GetDictBy(csType);
+  CPDF_Dictionary* pDict = pResDict->GetDictFor(csType);
   if (!pDict)
     return csTmp;
 
@@ -1131,7 +1131,7 @@
                                                     FX_FLOAT pdf_x,
                                                     FX_FLOAT pdf_y,
                                                     int* z_order) const {
-  CPDF_Array* pAnnotList = pPage->m_pFormDict->GetArrayBy("Annots");
+  CPDF_Array* pAnnotList = pPage->m_pFormDict->GetArrayFor("Annots");
   if (!pAnnotList)
     return nullptr;
 
@@ -1164,14 +1164,14 @@
 }
 
 FX_BOOL CPDF_InterForm::NeedConstructAP() const {
-  return m_pFormDict && m_pFormDict->GetBooleanBy("NeedAppearances");
+  return m_pFormDict && m_pFormDict->GetBooleanFor("NeedAppearances");
 }
 
 int CPDF_InterForm::CountFieldsInCalculationOrder() {
   if (!m_pFormDict)
     return 0;
 
-  CPDF_Array* pArray = m_pFormDict->GetArrayBy("CO");
+  CPDF_Array* pArray = m_pFormDict->GetArrayFor("CO");
   return pArray ? pArray->GetCount() : 0;
 }
 
@@ -1179,7 +1179,7 @@
   if (!m_pFormDict || index < 0)
     return nullptr;
 
-  CPDF_Array* pArray = m_pFormDict->GetArrayBy("CO");
+  CPDF_Array* pArray = m_pFormDict->GetArrayFor("CO");
   if (!pArray)
     return nullptr;
 
@@ -1191,7 +1191,7 @@
   if (!m_pFormDict || !pField)
     return -1;
 
-  CPDF_Array* pArray = m_pFormDict->GetArrayBy("CO");
+  CPDF_Array* pArray = m_pFormDict->GetArrayFor("CO");
   if (!pArray)
     return -1;
 
@@ -1266,7 +1266,7 @@
 CPDF_DefaultAppearance CPDF_InterForm::GetDefaultAppearance() {
   if (!m_pFormDict)
     return CPDF_DefaultAppearance();
-  return CPDF_DefaultAppearance(m_pFormDict->GetStringBy("DA"));
+  return CPDF_DefaultAppearance(m_pFormDict->GetStringFor("DA"));
 }
 
 CPDF_Font* CPDF_InterForm::GetDefaultFormFont() {
@@ -1274,7 +1274,7 @@
 }
 
 int CPDF_InterForm::GetFormAlignment() {
-  return m_pFormDict ? m_pFormDict->GetIntegerBy("Q", 0) : 0;
+  return m_pFormDict ? m_pFormDict->GetIntegerFor("Q", 0) : 0;
 }
 
 bool CPDF_InterForm::ResetForm(const std::vector<CPDF_FormField*>& fields,
@@ -1321,7 +1321,7 @@
     return;
 
   uint32_t dwParentObjNum = pFieldDict->GetObjNum();
-  CPDF_Array* pKids = pFieldDict->GetArrayBy("Kids");
+  CPDF_Array* pKids = pFieldDict->GetArrayFor("Kids");
   if (!pKids) {
     AddTerminalField(pFieldDict);
     return;
@@ -1345,7 +1345,7 @@
 }
 
 FX_BOOL CPDF_InterForm::HasXFAForm() const {
-  return m_pFormDict && m_pFormDict->GetArrayBy("XFA");
+  return m_pFormDict && m_pFormDict->GetArrayFor("XFA");
 }
 
 void CPDF_InterForm::FixPageFields(const CPDF_Page* pPage) {
@@ -1353,13 +1353,13 @@
   if (!pPageDict)
     return;
 
-  CPDF_Array* pAnnots = pPageDict->GetArrayBy("Annots");
+  CPDF_Array* pAnnots = pPageDict->GetArrayFor("Annots");
   if (!pAnnots)
     return;
 
   for (size_t i = 0; i < pAnnots->GetCount(); i++) {
     CPDF_Dictionary* pAnnot = pAnnots->GetDictAt(i);
-    if (pAnnot && pAnnot->GetStringBy("Subtype") == "Widget")
+    if (pAnnot && pAnnot->GetStringFor("Subtype") == "Widget")
       LoadField(pAnnot);
   }
 }
@@ -1378,48 +1378,48 @@
   if (!pField) {
     CPDF_Dictionary* pParent = pFieldDict;
     if (!pFieldDict->KeyExist("T") &&
-        pFieldDict->GetStringBy("Subtype") == "Widget") {
-      pParent = pFieldDict->GetDictBy("Parent");
+        pFieldDict->GetStringFor("Subtype") == "Widget") {
+      pParent = pFieldDict->GetDictFor("Parent");
       if (!pParent)
         pParent = pFieldDict;
     }
 
     if (pParent && pParent != pFieldDict && !pParent->KeyExist("FT")) {
       if (pFieldDict->KeyExist("FT")) {
-        CPDF_Object* pFTValue = pFieldDict->GetDirectObjectBy("FT");
+        CPDF_Object* pFTValue = pFieldDict->GetDirectObjectFor("FT");
         if (pFTValue)
-          pParent->SetAt("FT", pFTValue->Clone());
+          pParent->SetFor("FT", pFTValue->Clone());
       }
 
       if (pFieldDict->KeyExist("Ff")) {
-        CPDF_Object* pFfValue = pFieldDict->GetDirectObjectBy("Ff");
+        CPDF_Object* pFfValue = pFieldDict->GetDirectObjectFor("Ff");
         if (pFfValue)
-          pParent->SetAt("Ff", pFfValue->Clone());
+          pParent->SetFor("Ff", pFfValue->Clone());
       }
     }
 
     pField = new CPDF_FormField(this, pParent);
-    CPDF_Object* pTObj = pDict->GetObjectBy("T");
+    CPDF_Object* pTObj = pDict->GetObjectFor("T");
     if (ToReference(pTObj)) {
       CPDF_Object* pClone = pTObj->CloneDirectObject();
       if (pClone)
-        pDict->SetAt("T", pClone);
+        pDict->SetFor("T", pClone);
       else
-        pDict->SetAtName("T", "");
+        pDict->SetNameFor("T", "");
     }
     m_pFieldTree->SetField(csWName, pField);
   }
 
-  CPDF_Array* pKids = pFieldDict->GetArrayBy("Kids");
+  CPDF_Array* pKids = pFieldDict->GetArrayFor("Kids");
   if (!pKids) {
-    if (pFieldDict->GetStringBy("Subtype") == "Widget")
+    if (pFieldDict->GetStringFor("Subtype") == "Widget")
       AddControl(pField, pFieldDict);
   } else {
     for (size_t i = 0; i < pKids->GetCount(); i++) {
       CPDF_Dictionary* pKid = pKids->GetDictAt(i);
       if (!pKid)
         continue;
-      if (pKid->GetStringBy("Subtype") != "Widget")
+      if (pKid->GetStringFor("Subtype") != "Widget")
         continue;
 
       AddControl(pField, pKid);
@@ -1464,7 +1464,7 @@
       bFind = pdfium::ContainsValue(*fields, pField);
     if (bIncludeOrExclude == bFind) {
       CPDF_Dictionary* pFieldDict = pField->m_pDict;
-      if ((dwFlags & 0x02) != 0 && pFieldDict->GetStringBy("V").IsEmpty())
+      if ((dwFlags & 0x02) != 0 && pFieldDict->GetStringFor("V").IsEmpty())
         return pField;
     }
   }
@@ -1489,21 +1489,21 @@
   if (!pDoc)
     return nullptr;
 
-  CPDF_Dictionary* pMainDict = pDoc->GetRoot()->GetDictBy("FDF");
+  CPDF_Dictionary* pMainDict = pDoc->GetRoot()->GetDictFor("FDF");
   if (!pdf_path.IsEmpty()) {
     if (bSimpleFileSpec) {
       CFX_WideString wsFilePath = CPDF_FileSpec::EncodeFileName(pdf_path);
-      pMainDict->SetAtString("F", CFX_ByteString::FromUnicode(wsFilePath));
-      pMainDict->SetAtString("UF", PDF_EncodeText(wsFilePath));
+      pMainDict->SetStringFor("F", CFX_ByteString::FromUnicode(wsFilePath));
+      pMainDict->SetStringFor("UF", PDF_EncodeText(wsFilePath));
     } else {
       CPDF_FileSpec filespec;
       filespec.SetFileName(pdf_path);
-      pMainDict->SetAt("F", filespec.GetObj());
+      pMainDict->SetFor("F", filespec.GetObj());
     }
   }
 
   CPDF_Array* pFields = new CPDF_Array;
-  pMainDict->SetAt("Fields", pFields);
+  pMainDict->SetFor("Fields", pFields);
   int nCount = m_pFieldTree->m_Root.CountFields();
   for (int i = 0; i < nCount; i++) {
     CPDF_FormField* pField = m_pFieldTree->m_Root.GetField(i);
@@ -1515,25 +1515,25 @@
       continue;
 
     if (bIncludeOrExclude == pdfium::ContainsValue(fields, pField)) {
-      if ((dwFlags & 0x02) != 0 && pField->m_pDict->GetStringBy("V").IsEmpty())
+      if ((dwFlags & 0x02) != 0 && pField->m_pDict->GetStringFor("V").IsEmpty())
         continue;
 
       CFX_WideString fullname = FPDF_GetFullName(pField->GetFieldDict());
       CPDF_Dictionary* pFieldDict = new CPDF_Dictionary;
-      pFieldDict->SetAt("T", new CPDF_String(fullname));
+      pFieldDict->SetFor("T", new CPDF_String(fullname));
       if (pField->GetType() == CPDF_FormField::CheckBox ||
           pField->GetType() == CPDF_FormField::RadioButton) {
         CFX_WideString csExport = pField->GetCheckValue(FALSE);
         CFX_ByteString csBExport = PDF_EncodeText(csExport);
         CPDF_Object* pOpt = FPDF_GetFieldAttr(pField->m_pDict, "Opt");
         if (pOpt)
-          pFieldDict->SetAtString("V", csBExport);
+          pFieldDict->SetStringFor("V", csBExport);
         else
-          pFieldDict->SetAtName("V", csBExport);
+          pFieldDict->SetNameFor("V", csBExport);
       } else {
         CPDF_Object* pV = FPDF_GetFieldAttr(pField->m_pDict, "V");
         if (pV)
-          pFieldDict->SetAt("V", pV->CloneDirectObject());
+          pFieldDict->SetFor("V", pV->CloneDirectObject());
       }
       pFields->Add(pFieldDict);
     }
@@ -1549,8 +1549,8 @@
   if (!parent_name.IsEmpty())
     name = parent_name + L".";
 
-  name += pFieldDict->GetUnicodeTextBy("T");
-  CPDF_Array* pKids = pFieldDict->GetArrayBy("Kids");
+  name += pFieldDict->GetUnicodeTextFor("T");
+  CPDF_Array* pKids = pFieldDict->GetArrayFor("Kids");
   if (pKids) {
     for (size_t i = 0; i < pKids->GetCount(); i++) {
       CPDF_Dictionary* pKid = pKids->GetDictAt(i);
@@ -1585,8 +1585,8 @@
   CPDF_FormField::Type eType = pField->GetType();
   if ((eType == CPDF_FormField::ListBox || eType == CPDF_FormField::ComboBox) &&
       pFieldDict->KeyExist("Opt")) {
-    pField->m_pDict->SetAt(
-        "Opt", pFieldDict->GetDirectObjectBy("Opt")->CloneDirectObject());
+    pField->m_pDict->SetFor(
+        "Opt", pFieldDict->GetDirectObjectFor("Opt")->CloneDirectObject());
   }
 
   if (bNotify && m_pFormNotify) {
@@ -1604,15 +1604,15 @@
   if (!pFDF)
     return FALSE;
 
-  CPDF_Dictionary* pMainDict = pFDF->GetRoot()->GetDictBy("FDF");
+  CPDF_Dictionary* pMainDict = pFDF->GetRoot()->GetDictFor("FDF");
   if (!pMainDict)
     return FALSE;
 
-  CPDF_Array* pFields = pMainDict->GetArrayBy("Fields");
+  CPDF_Array* pFields = pMainDict->GetArrayFor("Fields");
   if (!pFields)
     return FALSE;
 
-  m_bsEncoding = pMainDict->GetStringBy("Encoding");
+  m_bsEncoding = pMainDict->GetStringFor("Encoding");
   if (bNotify && m_pFormNotify && m_pFormNotify->BeforeFormImportData(this) < 0)
     return FALSE;
 
diff --git a/core/fpdfdoc/cpdf_link.cpp b/core/fpdfdoc/cpdf_link.cpp
index 4859881..b92b3cf 100644
--- a/core/fpdfdoc/cpdf_link.cpp
+++ b/core/fpdfdoc/cpdf_link.cpp
@@ -10,11 +10,11 @@
 #include "core/fpdfdoc/include/cpdf_nametree.h"
 
 CFX_FloatRect CPDF_Link::GetRect() {
-  return m_pDict->GetRectBy("Rect");
+  return m_pDict->GetRectFor("Rect");
 }
 
 CPDF_Dest CPDF_Link::GetDest(CPDF_Document* pDoc) {
-  CPDF_Object* pDest = m_pDict->GetDirectObjectBy("Dest");
+  CPDF_Object* pDest = m_pDict->GetDirectObjectFor("Dest");
   if (!pDest)
     return CPDF_Dest();
 
@@ -28,5 +28,5 @@
 }
 
 CPDF_Action CPDF_Link::GetAction() {
-  return CPDF_Action(m_pDict->GetDictBy("A"));
+  return CPDF_Action(m_pDict->GetDictFor("A"));
 }
diff --git a/core/fpdfdoc/cpdf_linklist.cpp b/core/fpdfdoc/cpdf_linklist.cpp
index 5ef8f39..d9a10ef 100644
--- a/core/fpdfdoc/cpdf_linklist.cpp
+++ b/core/fpdfdoc/cpdf_linklist.cpp
@@ -57,13 +57,13 @@
 
 void CPDF_LinkList::LoadPageLinks(CPDF_Page* pPage,
                                   std::vector<CPDF_Dictionary*>* pList) {
-  CPDF_Array* pAnnotList = pPage->m_pFormDict->GetArrayBy("Annots");
+  CPDF_Array* pAnnotList = pPage->m_pFormDict->GetArrayFor("Annots");
   if (!pAnnotList)
     return;
 
   for (size_t i = 0; i < pAnnotList->GetCount(); ++i) {
     CPDF_Dictionary* pAnnot = pAnnotList->GetDictAt(i);
-    bool add_link = (pAnnot && pAnnot->GetStringBy("Subtype") == "Link");
+    bool add_link = (pAnnot && pAnnot->GetStringFor("Subtype") == "Link");
     // Add non-links as nullptrs to preserve z-order.
     pList->push_back(add_link ? pAnnot : nullptr);
   }
diff --git a/core/fpdfdoc/cpdf_metadata.cpp b/core/fpdfdoc/cpdf_metadata.cpp
index b53da07..ee6647f 100644
--- a/core/fpdfdoc/cpdf_metadata.cpp
+++ b/core/fpdfdoc/cpdf_metadata.cpp
@@ -16,7 +16,7 @@
   if (!pRoot)
     return;
 
-  CPDF_Stream* pStream = pRoot->GetStreamBy("Metadata");
+  CPDF_Stream* pStream = pRoot->GetStreamFor("Metadata");
   if (!pStream)
     return;
 
diff --git a/core/fpdfdoc/cpdf_nametree.cpp b/core/fpdfdoc/cpdf_nametree.cpp
index e046b6b..a18ea21 100644
--- a/core/fpdfdoc/cpdf_nametree.cpp
+++ b/core/fpdfdoc/cpdf_nametree.cpp
@@ -22,7 +22,7 @@
   if (nLevel > nMaxRecursion)
     return nullptr;
 
-  CPDF_Array* pLimits = pNode->GetArrayBy("Limits");
+  CPDF_Array* pLimits = pNode->GetArrayFor("Limits");
   if (pLimits) {
     CFX_ByteString csLeft = pLimits->GetStringAt(0);
     CFX_ByteString csRight = pLimits->GetStringAt(1);
@@ -37,7 +37,7 @@
     }
   }
 
-  CPDF_Array* pNames = pNode->GetArrayBy("Names");
+  CPDF_Array* pNames = pNode->GetArrayFor("Names");
   if (pNames) {
     size_t dwCount = pNames->GetCount() / 2;
     for (size_t i = 0; i < dwCount; i++) {
@@ -58,7 +58,7 @@
     return nullptr;
   }
 
-  CPDF_Array* pKids = pNode->GetArrayBy("Kids");
+  CPDF_Array* pKids = pNode->GetArrayFor("Kids");
   if (!pKids)
     return nullptr;
 
@@ -84,7 +84,7 @@
   if (nLevel > nMaxRecursion)
     return nullptr;
 
-  CPDF_Array* pNames = pNode->GetArrayBy("Names");
+  CPDF_Array* pNames = pNode->GetArrayFor("Names");
   if (pNames) {
     size_t nCount = pNames->GetCount() / 2;
     if (nIndex >= nCurIndex + nCount) {
@@ -96,7 +96,7 @@
     csName = pNames->GetStringAt((nIndex - nCurIndex) * 2);
     return pNames->GetDirectObjectAt((nIndex - nCurIndex) * 2 + 1);
   }
-  CPDF_Array* pKids = pNode->GetArrayBy("Kids");
+  CPDF_Array* pKids = pNode->GetArrayFor("Kids");
   if (!pKids)
     return nullptr;
   for (size_t i = 0; i < pKids->GetCount(); i++) {
@@ -115,11 +115,11 @@
   if (nLevel > nMaxRecursion)
     return 0;
 
-  CPDF_Array* pNames = pNode->GetArrayBy("Names");
+  CPDF_Array* pNames = pNode->GetArrayFor("Names");
   if (pNames)
     return pNames->GetCount() / 2;
 
-  CPDF_Array* pKids = pNode->GetArrayBy("Kids");
+  CPDF_Array* pKids = pNode->GetArrayFor("Kids");
   if (!pKids)
     return 0;
 
@@ -143,11 +143,11 @@
   if (!pRoot)
     return;
 
-  CPDF_Dictionary* pNames = pRoot->GetDictBy("Names");
+  CPDF_Dictionary* pNames = pRoot->GetDictFor("Names");
   if (!pNames)
     return;
 
-  m_pRoot = pNames->GetDictBy(category);
+  m_pRoot = pNames->GetDictFor(category);
 }
 
 size_t CPDF_NameTree::GetCount() const {
@@ -183,16 +183,16 @@
                                            const CFX_ByteString& sName) {
   CPDF_Object* pValue = LookupValue(sName);
   if (!pValue) {
-    CPDF_Dictionary* pDests = pDoc->GetRoot()->GetDictBy("Dests");
+    CPDF_Dictionary* pDests = pDoc->GetRoot()->GetDictFor("Dests");
     if (!pDests)
       return nullptr;
-    pValue = pDests->GetDirectObjectBy(sName);
+    pValue = pDests->GetDirectObjectFor(sName);
   }
   if (!pValue)
     return nullptr;
   if (CPDF_Array* pArray = pValue->AsArray())
     return pArray;
   if (CPDF_Dictionary* pDict = pValue->AsDictionary())
-    return pDict->GetArrayBy("D");
+    return pDict->GetArrayFor("D");
   return nullptr;
 }
diff --git a/core/fpdfdoc/cpdf_numbertree.cpp b/core/fpdfdoc/cpdf_numbertree.cpp
index 9e2881f..36d18c2 100644
--- a/core/fpdfdoc/cpdf_numbertree.cpp
+++ b/core/fpdfdoc/cpdf_numbertree.cpp
@@ -12,12 +12,12 @@
 namespace {
 
 CPDF_Object* SearchNumberNode(const CPDF_Dictionary* pNode, int num) {
-  CPDF_Array* pLimits = pNode->GetArrayBy("Limits");
+  CPDF_Array* pLimits = pNode->GetArrayFor("Limits");
   if (pLimits &&
       (num < pLimits->GetIntegerAt(0) || num > pLimits->GetIntegerAt(1))) {
     return nullptr;
   }
-  CPDF_Array* pNumbers = pNode->GetArrayBy("Nums");
+  CPDF_Array* pNumbers = pNode->GetArrayFor("Nums");
   if (pNumbers) {
     for (size_t i = 0; i < pNumbers->GetCount() / 2; i++) {
       int index = pNumbers->GetIntegerAt(i * 2);
@@ -29,7 +29,7 @@
     return nullptr;
   }
 
-  CPDF_Array* pKids = pNode->GetArrayBy("Kids");
+  CPDF_Array* pKids = pNode->GetArrayFor("Kids");
   if (!pKids)
     return nullptr;
 
diff --git a/core/fpdfdoc/cpdf_occontext.cpp b/core/fpdfdoc/cpdf_occontext.cpp
index e641286..b04c2bd 100644
--- a/core/fpdfdoc/cpdf_occontext.cpp
+++ b/core/fpdfdoc/cpdf_occontext.cpp
@@ -26,7 +26,7 @@
 bool HasIntent(const CPDF_Dictionary* pDict,
                const CFX_ByteStringC& csElement,
                const CFX_ByteStringC& csDef) {
-  CPDF_Object* pIntent = pDict->GetDirectObjectBy("Intent");
+  CPDF_Object* pIntent = pDict->GetDirectObjectFor("Intent");
   if (!pIntent)
     return csElement == csDef;
 
@@ -46,19 +46,19 @@
 CPDF_Dictionary* GetConfig(CPDF_Document* pDoc,
                            const CPDF_Dictionary* pOCGDict) {
   ASSERT(pOCGDict);
-  CPDF_Dictionary* pOCProperties = pDoc->GetRoot()->GetDictBy("OCProperties");
+  CPDF_Dictionary* pOCProperties = pDoc->GetRoot()->GetDictFor("OCProperties");
   if (!pOCProperties)
     return nullptr;
 
-  CPDF_Array* pOCGs = pOCProperties->GetArrayBy("OCGs");
+  CPDF_Array* pOCGs = pOCProperties->GetArrayFor("OCGs");
   if (!pOCGs)
     return nullptr;
 
   if (FindGroup(pOCGs, pOCGDict) < 0)
     return nullptr;
 
-  CPDF_Dictionary* pConfig = pOCProperties->GetDictBy("D");
-  CPDF_Array* pConfigs = pOCProperties->GetArrayBy("Configs");
+  CPDF_Dictionary* pConfig = pOCProperties->GetDictFor("D");
+  CPDF_Array* pConfigs = pOCProperties->GetArrayFor("Configs");
   if (!pConfigs)
     return pConfig;
 
@@ -105,18 +105,18 @@
   if (!pConfig)
     return true;
 
-  bool bState = pConfig->GetStringBy("BaseState", "ON") != "OFF";
-  CPDF_Array* pArray = pConfig->GetArrayBy("ON");
+  bool bState = pConfig->GetStringFor("BaseState", "ON") != "OFF";
+  CPDF_Array* pArray = pConfig->GetArrayFor("ON");
   if (pArray) {
     if (FindGroup(pArray, pOCGDict) >= 0)
       bState = true;
   }
-  pArray = pConfig->GetArrayBy("OFF");
+  pArray = pConfig->GetArrayFor("OFF");
   if (pArray) {
     if (FindGroup(pArray, pOCGDict) >= 0)
       bState = false;
   }
-  pArray = pConfig->GetArrayBy("AS");
+  pArray = pConfig->GetArrayFor("AS");
   if (!pArray)
     return bState;
 
@@ -126,21 +126,21 @@
     if (!pUsage)
       continue;
 
-    if (pUsage->GetStringBy("Event", "View") != csConfig)
+    if (pUsage->GetStringFor("Event", "View") != csConfig)
       continue;
 
-    CPDF_Array* pOCGs = pUsage->GetArrayBy("OCGs");
+    CPDF_Array* pOCGs = pUsage->GetArrayFor("OCGs");
     if (!pOCGs)
       continue;
 
     if (FindGroup(pOCGs, pOCGDict) < 0)
       continue;
 
-    CPDF_Dictionary* pState = pUsage->GetDictBy(csConfig);
+    CPDF_Dictionary* pState = pUsage->GetDictFor(csConfig);
     if (!pState)
       continue;
 
-    bState = pState->GetStringBy(csFind) != "OFF";
+    bState = pState->GetStringFor(csFind) != "OFF";
   }
   return bState;
 }
@@ -150,18 +150,18 @@
     return true;
 
   CFX_ByteString csState = GetUsageTypeString(m_eUsageType);
-  CPDF_Dictionary* pUsage = pOCGDict->GetDictBy("Usage");
+  CPDF_Dictionary* pUsage = pOCGDict->GetDictFor("Usage");
   if (pUsage) {
-    CPDF_Dictionary* pState = pUsage->GetDictBy(csState);
+    CPDF_Dictionary* pState = pUsage->GetDictFor(csState);
     if (pState) {
       CFX_ByteString csFind = csState + "State";
       if (pState->KeyExist(csFind))
-        return pState->GetStringBy(csFind) != "OFF";
+        return pState->GetStringFor(csFind) != "OFF";
     }
     if (csState != "View") {
-      pState = pUsage->GetDictBy("View");
+      pState = pUsage->GetDictFor("View");
       if (pState && pState->KeyExist("ViewState"))
-        return pState->GetStringBy("ViewState") != "OFF";
+        return pState->GetStringFor("ViewState") != "OFF";
     }
   }
   return LoadOCGStateFromConfig(csState, pOCGDict);
@@ -237,12 +237,12 @@
 }
 
 bool CPDF_OCContext::LoadOCMDState(const CPDF_Dictionary* pOCMDDict) {
-  CPDF_Array* pVE = pOCMDDict->GetArrayBy("VE");
+  CPDF_Array* pVE = pOCMDDict->GetArrayFor("VE");
   if (pVE)
     return GetOCGVE(pVE, 0);
 
-  CFX_ByteString csP = pOCMDDict->GetStringBy("P", "AnyOn");
-  CPDF_Object* pOCGObj = pOCMDDict->GetDirectObjectBy("OCGs");
+  CFX_ByteString csP = pOCMDDict->GetStringFor("P", "AnyOn");
+  CPDF_Object* pOCGObj = pOCMDDict->GetDirectObjectFor("OCGs");
   if (!pOCGObj)
     return true;
 
@@ -272,7 +272,7 @@
   if (!pOCGDict)
     return true;
 
-  CFX_ByteString csType = pOCGDict->GetStringBy("Type", "OCG");
+  CFX_ByteString csType = pOCGDict->GetStringFor("Type", "OCG");
   if (csType == "OCG")
     return GetOCGVisible(pOCGDict);
   return LoadOCMDState(pOCGDict);
diff --git a/core/fpdfdoc/cpdf_pagelabel.cpp b/core/fpdfdoc/cpdf_pagelabel.cpp
index 4b888b9..2f02e84 100644
--- a/core/fpdfdoc/cpdf_pagelabel.cpp
+++ b/core/fpdfdoc/cpdf_pagelabel.cpp
@@ -84,7 +84,7 @@
   if (!pPDFRoot)
     return wsLabel;
 
-  CPDF_Dictionary* pLabels = pPDFRoot->GetDictBy("PageLabels");
+  CPDF_Dictionary* pLabels = pPDFRoot->GetDictFor("PageLabels");
   CPDF_NumberTree numberTree(pLabels);
   CPDF_Object* pValue = nullptr;
   int n = nPage;
@@ -99,10 +99,10 @@
     pValue = pValue->GetDirect();
     if (CPDF_Dictionary* pLabel = pValue->AsDictionary()) {
       if (pLabel->KeyExist("P"))
-        wsLabel += pLabel->GetUnicodeTextBy("P");
+        wsLabel += pLabel->GetUnicodeTextFor("P");
 
-      CFX_ByteString bsNumberingStyle = pLabel->GetStringBy("S", "");
-      int nLabelNum = nPage - n + pLabel->GetIntegerBy("St", 1);
+      CFX_ByteString bsNumberingStyle = pLabel->GetStringFor("S", "");
+      int nLabelNum = nPage - n + pLabel->GetIntegerFor("St", 1);
       CFX_WideString wsNumPortion =
           GetLabelNumPortion(nLabelNum, bsNumberingStyle);
       wsLabel += wsNumPortion;
diff --git a/core/fpdfdoc/cpdf_viewerpreferences.cpp b/core/fpdfdoc/cpdf_viewerpreferences.cpp
index 4951e5f..0dc55aa 100644
--- a/core/fpdfdoc/cpdf_viewerpreferences.cpp
+++ b/core/fpdfdoc/cpdf_viewerpreferences.cpp
@@ -15,30 +15,30 @@
 
 FX_BOOL CPDF_ViewerPreferences::IsDirectionR2L() const {
   CPDF_Dictionary* pDict = GetViewerPreferences();
-  return pDict ? pDict->GetStringBy("Direction") == "R2L" : FALSE;
+  return pDict ? pDict->GetStringFor("Direction") == "R2L" : FALSE;
 }
 
 FX_BOOL CPDF_ViewerPreferences::PrintScaling() const {
   CPDF_Dictionary* pDict = GetViewerPreferences();
-  return pDict ? pDict->GetStringBy("PrintScaling") != "None" : TRUE;
+  return pDict ? pDict->GetStringFor("PrintScaling") != "None" : TRUE;
 }
 
 int32_t CPDF_ViewerPreferences::NumCopies() const {
   CPDF_Dictionary* pDict = GetViewerPreferences();
-  return pDict ? pDict->GetIntegerBy("NumCopies") : 1;
+  return pDict ? pDict->GetIntegerFor("NumCopies") : 1;
 }
 
 CPDF_Array* CPDF_ViewerPreferences::PrintPageRange() const {
   CPDF_Dictionary* pDict = GetViewerPreferences();
-  return pDict ? pDict->GetArrayBy("PrintPageRange") : nullptr;
+  return pDict ? pDict->GetArrayFor("PrintPageRange") : nullptr;
 }
 
 CFX_ByteString CPDF_ViewerPreferences::Duplex() const {
   CPDF_Dictionary* pDict = GetViewerPreferences();
-  return pDict ? pDict->GetStringBy("Duplex") : CFX_ByteString("None");
+  return pDict ? pDict->GetStringFor("Duplex") : CFX_ByteString("None");
 }
 
 CPDF_Dictionary* CPDF_ViewerPreferences::GetViewerPreferences() const {
   CPDF_Dictionary* pDict = m_pDoc->GetRoot();
-  return pDict ? pDict->GetDictBy("ViewerPreferences") : nullptr;
+  return pDict ? pDict->GetDictFor("ViewerPreferences") : nullptr;
 }
diff --git a/core/fpdfdoc/cpvt_fontmap.cpp b/core/fpdfdoc/cpvt_fontmap.cpp
index ea4aad9..7eff694 100644
--- a/core/fpdfdoc/cpvt_fontmap.cpp
+++ b/core/fpdfdoc/cpvt_fontmap.cpp
@@ -32,14 +32,14 @@
     return;
 
   CFX_ByteString sFontAlias;
-  CPDF_Dictionary* pFormDict = pDoc->GetRoot()->GetDictBy("AcroForm");
+  CPDF_Dictionary* pFormDict = pDoc->GetRoot()->GetDictFor("AcroForm");
   CPDF_Font* pPDFFont = AddNativeInterFormFont(pFormDict, pDoc, sSysFontAlias);
   if (!pPDFFont)
     return;
 
-  if (CPDF_Dictionary* pFontList = pResDict->GetDictBy("Font")) {
+  if (CPDF_Dictionary* pFontList = pResDict->GetDictFor("Font")) {
     if (!pFontList->KeyExist(sSysFontAlias))
-      pFontList->SetAtReference(sSysFontAlias, pDoc, pPDFFont->GetFontDict());
+      pFontList->SetReferenceFor(sSysFontAlias, pDoc, pPDFFont->GetFontDict());
   }
   pSysFont = pPDFFont;
 }
diff --git a/core/fpdfdoc/cpvt_generateap.cpp b/core/fpdfdoc/cpvt_generateap.cpp
index dbfcdbf..decc408 100644
--- a/core/fpdfdoc/cpvt_generateap.cpp
+++ b/core/fpdfdoc/cpvt_generateap.cpp
@@ -25,7 +25,7 @@
                       const int32_t& nWidgetType) {
   CPDF_Dictionary* pFormDict = nullptr;
   if (CPDF_Dictionary* pRootDict = pDoc->GetRoot())
-    pFormDict = pRootDict->GetDictBy("AcroForm");
+    pFormDict = pRootDict->GetDictFor("AcroForm");
   if (!pFormDict)
     return false;
 
@@ -33,7 +33,7 @@
   if (CPDF_Object* pDAObj = FPDF_GetFieldAttr(pAnnotDict, "DA"))
     DA = pDAObj->GetString();
   if (DA.IsEmpty())
-    DA = pFormDict->GetStringBy("DA");
+    DA = pFormDict->GetStringFor("DA");
   if (DA.IsEmpty())
     return false;
 
@@ -46,32 +46,32 @@
 
   FX_FLOAT fFontSize = FX_atof(syntax.GetWord());
   CPVT_Color crText = CPVT_Color::ParseColor(DA);
-  CPDF_Dictionary* pDRDict = pFormDict->GetDictBy("DR");
+  CPDF_Dictionary* pDRDict = pFormDict->GetDictFor("DR");
   if (!pDRDict)
     return false;
 
-  CPDF_Dictionary* pDRFontDict = pDRDict->GetDictBy("Font");
+  CPDF_Dictionary* pDRFontDict = pDRDict->GetDictFor("Font");
   if (!pDRFontDict)
     return false;
 
-  CPDF_Dictionary* pFontDict = pDRFontDict->GetDictBy(sFontName.Mid(1));
+  CPDF_Dictionary* pFontDict = pDRFontDict->GetDictFor(sFontName.Mid(1));
   if (!pFontDict) {
     pFontDict = new CPDF_Dictionary;
-    pFontDict->SetAtName("Type", "Font");
-    pFontDict->SetAtName("Subtype", "Type1");
-    pFontDict->SetAtName("BaseFont", "Helvetica");
-    pFontDict->SetAtName("Encoding", "WinAnsiEncoding");
+    pFontDict->SetNameFor("Type", "Font");
+    pFontDict->SetNameFor("Subtype", "Type1");
+    pFontDict->SetNameFor("BaseFont", "Helvetica");
+    pFontDict->SetNameFor("Encoding", "WinAnsiEncoding");
     pDoc->AddIndirectObject(pFontDict);
-    pDRFontDict->SetAtReference(sFontName.Mid(1), pDoc, pFontDict);
+    pDRFontDict->SetReferenceFor(sFontName.Mid(1), pDoc, pFontDict);
   }
   CPDF_Font* pDefFont = pDoc->LoadFont(pFontDict);
   if (!pDefFont)
     return false;
 
-  CFX_FloatRect rcAnnot = pAnnotDict->GetRectBy("Rect");
+  CFX_FloatRect rcAnnot = pAnnotDict->GetRectFor("Rect");
   int32_t nRotate = 0;
-  if (CPDF_Dictionary* pMKDict = pAnnotDict->GetDictBy("MK"))
-    nRotate = pMKDict->GetIntegerBy("R");
+  if (CPDF_Dictionary* pMKDict = pAnnotDict->GetDictFor("MK"))
+    nRotate = pMKDict->GetIntegerFor("R");
 
   CFX_FloatRect rcBBox;
   CFX_Matrix matrix;
@@ -102,15 +102,15 @@
   FX_FLOAT fBorderWidth = 1;
   CPVT_Dash dsBorder(3, 0, 0);
   CPVT_Color crLeftTop, crRightBottom;
-  if (CPDF_Dictionary* pBSDict = pAnnotDict->GetDictBy("BS")) {
+  if (CPDF_Dictionary* pBSDict = pAnnotDict->GetDictFor("BS")) {
     if (pBSDict->KeyExist("W"))
-      fBorderWidth = pBSDict->GetNumberBy("W");
+      fBorderWidth = pBSDict->GetNumberFor("W");
 
-    if (CPDF_Array* pArray = pBSDict->GetArrayBy("D")) {
+    if (CPDF_Array* pArray = pBSDict->GetArrayFor("D")) {
       dsBorder = CPVT_Dash(pArray->GetIntegerAt(0), pArray->GetIntegerAt(1),
                            pArray->GetIntegerAt(2));
     }
-    switch (pBSDict->GetStringBy("S").GetAt(0)) {
+    switch (pBSDict->GetStringFor("S").GetAt(0)) {
       case 'S':
         nBorderStyle = BorderStyle::SOLID;
         break;
@@ -135,10 +135,10 @@
     }
   }
   CPVT_Color crBorder, crBG;
-  if (CPDF_Dictionary* pMKDict = pAnnotDict->GetDictBy("MK")) {
-    if (CPDF_Array* pArray = pMKDict->GetArrayBy("BC"))
+  if (CPDF_Dictionary* pMKDict = pAnnotDict->GetDictFor("MK")) {
+    if (CPDF_Array* pArray = pMKDict->GetArrayFor("BC"))
       crBorder = CPVT_Color::ParseColor(*pArray);
-    if (CPDF_Array* pArray = pMKDict->GetArrayBy("BG"))
+    if (CPDF_Array* pArray = pMKDict->GetArrayFor("BG"))
       crBG = CPVT_Color::ParseColor(*pArray);
   }
   CFX_ByteTextBuf sAppStream;
@@ -159,33 +159,33 @@
       CFX_FloatRect(rcBBox.left + fBorderWidth, rcBBox.bottom + fBorderWidth,
                     rcBBox.right - fBorderWidth, rcBBox.top - fBorderWidth);
   rcBody.Normalize();
-  CPDF_Dictionary* pAPDict = pAnnotDict->GetDictBy("AP");
+  CPDF_Dictionary* pAPDict = pAnnotDict->GetDictFor("AP");
   if (!pAPDict) {
     pAPDict = new CPDF_Dictionary;
-    pAnnotDict->SetAt("AP", pAPDict);
+    pAnnotDict->SetFor("AP", pAPDict);
   }
-  CPDF_Stream* pNormalStream = pAPDict->GetStreamBy("N");
+  CPDF_Stream* pNormalStream = pAPDict->GetStreamFor("N");
   if (!pNormalStream) {
     pNormalStream = new CPDF_Stream(nullptr, 0, nullptr);
     int32_t objnum = pDoc->AddIndirectObject(pNormalStream);
-    pAnnotDict->GetDictBy("AP")->SetAtReference("N", pDoc, objnum);
+    pAnnotDict->GetDictFor("AP")->SetReferenceFor("N", pDoc, objnum);
   }
   CPDF_Dictionary* pStreamDict = pNormalStream->GetDict();
   if (pStreamDict) {
-    pStreamDict->SetAtMatrix("Matrix", matrix);
-    pStreamDict->SetAtRect("BBox", rcBBox);
-    CPDF_Dictionary* pStreamResList = pStreamDict->GetDictBy("Resources");
+    pStreamDict->SetMatrixFor("Matrix", matrix);
+    pStreamDict->SetRectFor("BBox", rcBBox);
+    CPDF_Dictionary* pStreamResList = pStreamDict->GetDictFor("Resources");
     if (pStreamResList) {
-      CPDF_Dictionary* pStreamResFontList = pStreamResList->GetDictBy("Font");
+      CPDF_Dictionary* pStreamResFontList = pStreamResList->GetDictFor("Font");
       if (!pStreamResFontList) {
         pStreamResFontList = new CPDF_Dictionary;
-        pStreamResList->SetAt("Font", pStreamResFontList);
+        pStreamResList->SetFor("Font", pStreamResFontList);
       }
       if (!pStreamResFontList->KeyExist(sFontName))
-        pStreamResFontList->SetAtReference(sFontName, pDoc, pFontDict);
+        pStreamResFontList->SetReferenceFor(sFontName, pDoc, pFontDict);
     } else {
-      pStreamDict->SetAt("Resources", pFormDict->GetDictBy("DR")->Clone());
-      pStreamResList = pStreamDict->GetDictBy("Resources");
+      pStreamDict->SetFor("Resources", pFormDict->GetDictFor("DR")->Clone());
+      pStreamResList = pStreamDict->GetDictFor("Resources");
     }
   }
   switch (nWidgetType) {
@@ -205,7 +205,7 @@
               ? FPDF_GetFieldAttr(pAnnotDict, "MaxLen")->GetInteger()
               : 0;
       CPVT_FontMap map(
-          pDoc, pStreamDict ? pStreamDict->GetDictBy("Resources") : nullptr,
+          pDoc, pStreamDict ? pStreamDict->GetDictFor("Resources") : nullptr,
           pDefFont, sFontName.Right(sFontName.GetLength() - 1));
       CPDF_VariableText::Provider prd(&map);
       CPDF_VariableText vt;
@@ -266,7 +266,7 @@
               ? FPDF_GetFieldAttr(pAnnotDict, "V")->GetUnicodeText()
               : CFX_WideString();
       CPVT_FontMap map(
-          pDoc, pStreamDict ? pStreamDict->GetDictBy("Resources") : nullptr,
+          pDoc, pStreamDict ? pStreamDict->GetDictFor("Resources") : nullptr,
           pDefFont, sFontName.Right(sFontName.GetLength() - 1));
       CPDF_VariableText::Provider prd(&map);
       CPDF_VariableText vt;
@@ -336,7 +336,7 @@
     } break;
     case 2: {
       CPVT_FontMap map(
-          pDoc, pStreamDict ? pStreamDict->GetDictBy("Resources") : nullptr,
+          pDoc, pStreamDict ? pStreamDict->GetDictFor("Resources") : nullptr,
           pDefFont, sFontName.Right(sFontName.GetLength() - 1));
       CPDF_VariableText::Provider prd(&map);
       CPDF_Array* pOpts = ToArray(FPDF_GetFieldAttr(pAnnotDict, "Opt"));
@@ -422,20 +422,21 @@
                            FALSE);
     pStreamDict = pNormalStream->GetDict();
     if (pStreamDict) {
-      pStreamDict->SetAtMatrix("Matrix", matrix);
-      pStreamDict->SetAtRect("BBox", rcBBox);
-      CPDF_Dictionary* pStreamResList = pStreamDict->GetDictBy("Resources");
+      pStreamDict->SetMatrixFor("Matrix", matrix);
+      pStreamDict->SetRectFor("BBox", rcBBox);
+      CPDF_Dictionary* pStreamResList = pStreamDict->GetDictFor("Resources");
       if (pStreamResList) {
-        CPDF_Dictionary* pStreamResFontList = pStreamResList->GetDictBy("Font");
+        CPDF_Dictionary* pStreamResFontList =
+            pStreamResList->GetDictFor("Font");
         if (!pStreamResFontList) {
           pStreamResFontList = new CPDF_Dictionary;
-          pStreamResList->SetAt("Font", pStreamResFontList);
+          pStreamResList->SetFor("Font", pStreamResFontList);
         }
         if (!pStreamResFontList->KeyExist(sFontName))
-          pStreamResFontList->SetAtReference(sFontName, pDoc, pFontDict);
+          pStreamResFontList->SetReferenceFor(sFontName, pDoc, pFontDict);
       } else {
-        pStreamDict->SetAt("Resources", pFormDict->GetDictBy("DR")->Clone());
-        pStreamResList = pStreamDict->GetDictBy("Resources");
+        pStreamDict->SetFor("Resources", pFormDict->GetDictFor("DR")->Clone());
+        pStreamResList = pStreamDict->GetDictFor("Resources");
       }
     }
   }
@@ -454,12 +455,12 @@
 }
 
 FX_FLOAT GetBorderWidth(const CPDF_Dictionary& pAnnotDict) {
-  if (CPDF_Dictionary* pBorderStyleDict = pAnnotDict.GetDictBy("BS")) {
+  if (CPDF_Dictionary* pBorderStyleDict = pAnnotDict.GetDictFor("BS")) {
     if (pBorderStyleDict->KeyExist("W"))
-      return pBorderStyleDict->GetNumberBy("W");
+      return pBorderStyleDict->GetNumberFor("W");
   }
 
-  if (CPDF_Array* pBorderArray = pAnnotDict.GetArrayBy("Border")) {
+  if (CPDF_Array* pBorderArray = pAnnotDict.GetArrayFor("Border")) {
     if (pBorderArray->GetCount() > 2)
       return pBorderArray->GetNumberAt(2);
   }
@@ -468,12 +469,12 @@
 }
 
 CPDF_Array* GetDashArray(const CPDF_Dictionary& pAnnotDict) {
-  if (CPDF_Dictionary* pBorderStyleDict = pAnnotDict.GetDictBy("BS")) {
-    if (pBorderStyleDict->GetStringBy("S") == "D")
-      return pBorderStyleDict->GetArrayBy("D");
+  if (CPDF_Dictionary* pBorderStyleDict = pAnnotDict.GetDictFor("BS")) {
+    if (pBorderStyleDict->GetStringFor("S") == "D")
+      return pBorderStyleDict->GetArrayFor("D");
   }
 
-  if (CPDF_Array* pBorderArray = pAnnotDict.GetArrayBy("Border")) {
+  if (CPDF_Array* pBorderArray = pAnnotDict.GetArrayFor("Border")) {
     if (pBorderArray->GetCount() == 4)
       return pBorderArray->GetArrayAt(3);
   }
@@ -502,15 +503,15 @@
                                       const CPDF_Dictionary& pAnnotDict,
                                       CPDF_Font* pDefFont,
                                       const CFX_ByteString& sFontName) {
-  CFX_WideString swValue(pAnnotDict.GetUnicodeTextBy("T"));
+  CFX_WideString swValue(pAnnotDict.GetUnicodeTextFor("T"));
   swValue += L'\n';
-  swValue += pAnnotDict.GetUnicodeTextBy("Contents");
+  swValue += pAnnotDict.GetUnicodeTextFor("Contents");
   CPVT_FontMap map(pDoc, nullptr, pDefFont, sFontName);
 
   CPDF_VariableText::Provider prd(&map);
   CPDF_VariableText vt;
   vt.SetProvider(&prd);
-  vt.SetPlateRect(pAnnotDict.GetRectBy("Rect"));
+  vt.SetPlateRect(pAnnotDict.GetRectFor("Rect"));
   vt.SetFontSize(12);
   vt.SetAutoReturn(TRUE);
   vt.SetMultiLine(TRUE);
@@ -538,17 +539,17 @@
                                        const CFX_ByteString& sExtGSDictName,
                                        const CFX_ByteString& sBlendMode) {
   CPDF_Dictionary* pGSDict = new CPDF_Dictionary;
-  pGSDict->SetAtString("Type", "ExtGState");
+  pGSDict->SetStringFor("Type", "ExtGState");
 
   FX_FLOAT fOpacity =
-      pAnnotDict.KeyExist("CA") ? pAnnotDict.GetNumberBy("CA") : 1;
-  pGSDict->SetAtNumber("CA", fOpacity);
-  pGSDict->SetAtNumber("ca", fOpacity);
-  pGSDict->SetAtBoolean("AIS", false);
-  pGSDict->SetAtString("BM", sBlendMode);
+      pAnnotDict.KeyExist("CA") ? pAnnotDict.GetNumberFor("CA") : 1;
+  pGSDict->SetNumberFor("CA", fOpacity);
+  pGSDict->SetNumberFor("ca", fOpacity);
+  pGSDict->SetBooleanFor("AIS", false);
+  pGSDict->SetStringFor("BM", sBlendMode);
 
   CPDF_Dictionary* pExtGStateDict = new CPDF_Dictionary;
-  pExtGStateDict->SetAt(sExtGSDictName, pGSDict);
+  pExtGStateDict->SetFor(sExtGSDictName, pGSDict);
 
   return pExtGStateDict;
 }
@@ -556,14 +557,14 @@
 CPDF_Dictionary* GenerateResourceFontDict(CPDF_Document* pDoc,
                                           const CFX_ByteString& sFontDictName) {
   CPDF_Dictionary* pFontDict = new CPDF_Dictionary;
-  pFontDict->SetAtName("Type", "Font");
-  pFontDict->SetAtName("Subtype", "Type1");
-  pFontDict->SetAtName("BaseFont", "Helvetica");
-  pFontDict->SetAtName("Encoding", "WinAnsiEncoding");
+  pFontDict->SetNameFor("Type", "Font");
+  pFontDict->SetNameFor("Subtype", "Type1");
+  pFontDict->SetNameFor("BaseFont", "Helvetica");
+  pFontDict->SetNameFor("Encoding", "WinAnsiEncoding");
   pDoc->AddIndirectObject(pFontDict);
 
   CPDF_Dictionary* pResourceFontDict = new CPDF_Dictionary;
-  pResourceFontDict->SetAtReference(sFontDictName, pDoc, pFontDict);
+  pResourceFontDict->SetReferenceFor(sFontDictName, pDoc, pFontDict);
 
   return pResourceFontDict;
 }
@@ -573,10 +574,10 @@
                                       CPDF_Dictionary* pResourceFontDict) {
   CPDF_Dictionary* pResourceDict = new CPDF_Dictionary;
   if (pExtGStateDict)
-    pResourceDict->SetAt("ExtGState", pExtGStateDict);
+    pResourceDict->SetFor("ExtGState", pExtGStateDict);
 
   if (pResourceFontDict)
-    pResourceDict->SetAt("Font", pResourceFontDict);
+    pResourceDict->SetFor("Font", pResourceFontDict);
 
   return pResourceDict;
 }
@@ -587,24 +588,24 @@
                           const CFX_ByteTextBuf& sAppStream,
                           CPDF_Dictionary* pResourceDict) {
   CPDF_Dictionary* pAPDict = new CPDF_Dictionary;
-  pAnnotDict->SetAt("AP", pAPDict);
+  pAnnotDict->SetFor("AP", pAPDict);
 
   CPDF_Stream* pNormalStream = new CPDF_Stream(nullptr, 0, nullptr);
   int32_t objnum = pDoc->AddIndirectObject(pNormalStream);
-  pAnnotDict->GetDictBy("AP")->SetAtReference("N", pDoc, objnum);
+  pAnnotDict->GetDictFor("AP")->SetReferenceFor("N", pDoc, objnum);
 
   pNormalStream->SetData(sAppStream.GetBuffer(), sAppStream.GetSize(), FALSE,
                          FALSE);
 
   CPDF_Dictionary* pStreamDict = pNormalStream->GetDict();
-  pStreamDict->SetAtInteger("FormType", 1);
-  pStreamDict->SetAtString("Subtype", "Form");
-  pStreamDict->SetAtMatrix("Matrix", CFX_Matrix());
+  pStreamDict->SetIntegerFor("FormType", 1);
+  pStreamDict->SetStringFor("Subtype", "Form");
+  pStreamDict->SetMatrixFor("Matrix", CFX_Matrix());
 
-  CFX_FloatRect rect = pAnnotDict->GetRectBy("Rect");
-  pStreamDict->SetAtRect("BBox", rect);
+  CFX_FloatRect rect = pAnnotDict->GetRectFor("Rect");
+  pStreamDict->SetRectFor("BBox", rect);
 
-  pStreamDict->SetAt("Resources", pResourceDict);
+  pStreamDict->SetFor("Resources", pResourceDict);
 }
 
 CFX_ByteString GetPaintOperatorString(bool bIsStrokeRect, bool bIsFillRect) {
@@ -666,7 +667,7 @@
 }  // namespace
 
 bool FPDF_GenerateAP(CPDF_Document* pDoc, CPDF_Dictionary* pAnnotDict) {
-  if (!pAnnotDict || pAnnotDict->GetStringBy("Subtype") != "Widget")
+  if (!pAnnotDict || pAnnotDict->GetStringFor("Subtype") != "Widget")
     return false;
 
   CFX_ByteString field_type = FPDF_GetFieldAttr(pAnnotDict, "FT")->GetString();
@@ -684,9 +685,9 @@
   if (field_type == "Btn") {
     if (!(flags & (1 << 16))) {
       if (!pAnnotDict->KeyExist("AS")) {
-        if (CPDF_Dictionary* pParentDict = pAnnotDict->GetDictBy("Parent")) {
+        if (CPDF_Dictionary* pParentDict = pAnnotDict->GetDictFor("Parent")) {
           if (pParentDict->KeyExist("AS")) {
-            pAnnotDict->SetAtString("AS", pParentDict->GetStringBy("AS"));
+            pAnnotDict->SetStringFor("AS", pParentDict->GetStringFor("AS"));
           }
         }
       }
@@ -719,12 +720,12 @@
   CFX_ByteString sExtGSDictName = "GS";
   sAppStream << "/" << sExtGSDictName << " gs ";
 
-  CPDF_Array* pInteriorColor = pAnnotDict->GetArrayBy("IC");
+  CPDF_Array* pInteriorColor = pAnnotDict->GetArrayFor("IC");
   sAppStream << GetColorStringWithDefault(pInteriorColor,
                                           CPVT_Color(CPVT_Color::kTransparent),
                                           PaintOperation::FILL);
 
-  sAppStream << GetColorStringWithDefault(pAnnotDict->GetArrayBy("C"),
+  sAppStream << GetColorStringWithDefault(pAnnotDict->GetArrayFor("C"),
                                           CPVT_Color(CPVT_Color::kRGB, 0, 0, 0),
                                           PaintOperation::STROKE);
 
@@ -736,7 +737,7 @@
     sAppStream << GetDashPatternString(*pAnnotDict);
   }
 
-  CFX_FloatRect rect = pAnnotDict->GetRectBy("Rect");
+  CFX_FloatRect rect = pAnnotDict->GetRectFor("Rect");
   rect.Normalize();
 
   if (bIsStrokeRect) {
@@ -792,11 +793,11 @@
   CFX_ByteString sExtGSDictName = "GS";
   sAppStream << "/" << sExtGSDictName << " gs ";
 
-  sAppStream << GetColorStringWithDefault(pAnnotDict->GetArrayBy("C"),
+  sAppStream << GetColorStringWithDefault(pAnnotDict->GetArrayFor("C"),
                                           CPVT_Color(CPVT_Color::kRGB, 1, 1, 0),
                                           PaintOperation::FILL);
 
-  CFX_FloatRect rect = pAnnotDict->GetRectBy("Rect");
+  CFX_FloatRect rect = pAnnotDict->GetRectFor("Rect");
   rect.Normalize();
 
   sAppStream << rect.left << " " << rect.top << " m " << rect.right << " "
@@ -821,7 +822,7 @@
   if (!bIsStroke)
     return false;
 
-  CPDF_Array* pInkList = pAnnotDict->GetArrayBy("InkList");
+  CPDF_Array* pInkList = pAnnotDict->GetArrayFor("InkList");
   if (!pInkList || pInkList->IsEmpty())
     return false;
 
@@ -829,7 +830,7 @@
   CFX_ByteString sExtGSDictName = "GS";
   sAppStream << "/" << sExtGSDictName << " gs ";
 
-  sAppStream << GetColorStringWithDefault(pAnnotDict->GetArrayBy("C"),
+  sAppStream << GetColorStringWithDefault(pAnnotDict->GetArrayFor("C"),
                                           CPVT_Color(CPVT_Color::kRGB, 0, 0, 0),
                                           PaintOperation::STROKE);
 
@@ -838,9 +839,9 @@
 
   // Set inflated rect as a new rect because paths near the border with large
   // width should not be clipped to the original rect.
-  CFX_FloatRect rect = pAnnotDict->GetRectBy("Rect");
+  CFX_FloatRect rect = pAnnotDict->GetRectFor("Rect");
   rect.Inflate(fBorderWidth / 2, fBorderWidth / 2);
-  pAnnotDict->SetAtRect("Rect", rect);
+  pAnnotDict->SetRectFor("Rect", rect);
 
   for (size_t i = 0; i < pInkList->GetCount(); i++) {
     CPDF_Array* pInkCoordList = pInkList->GetArrayAt(i);
@@ -872,11 +873,11 @@
   CFX_ByteString sExtGSDictName = "GS";
   sAppStream << "/" << sExtGSDictName << " gs ";
 
-  CFX_FloatRect rect = pAnnotDict->GetRectBy("Rect");
+  CFX_FloatRect rect = pAnnotDict->GetRectFor("Rect");
   const FX_FLOAT fNoteLength = 20;
   CFX_FloatRect noteRect(rect.left, rect.bottom, rect.left + fNoteLength,
                          rect.bottom + fNoteLength);
-  pAnnotDict->SetAtRect("Rect", noteRect);
+  pAnnotDict->SetRectFor("Rect", noteRect);
 
   sAppStream << GenerateTextSymbolAP(noteRect);
 
@@ -894,11 +895,11 @@
   CFX_ByteString sExtGSDictName = "GS";
   sAppStream << "/" << sExtGSDictName << " gs ";
 
-  sAppStream << GetColorStringWithDefault(pAnnotDict->GetArrayBy("C"),
+  sAppStream << GetColorStringWithDefault(pAnnotDict->GetArrayFor("C"),
                                           CPVT_Color(CPVT_Color::kRGB, 0, 0, 0),
                                           PaintOperation::STROKE);
 
-  CFX_FloatRect rect = pAnnotDict->GetRectBy("Rect");
+  CFX_FloatRect rect = pAnnotDict->GetRectFor("Rect");
   rect.Normalize();
 
   FX_FLOAT fLineWidth = 1.0;
@@ -928,7 +929,7 @@
   const FX_FLOAT fBorderWidth = 1;
   sAppStream << fBorderWidth << " w\n";
 
-  CFX_FloatRect rect = pAnnotDict->GetRectBy("Rect");
+  CFX_FloatRect rect = pAnnotDict->GetRectFor("Rect");
   rect.Normalize();
   rect.Deflate(fBorderWidth / 2, fBorderWidth / 2);
 
@@ -958,12 +959,12 @@
   CFX_ByteString sExtGSDictName = "GS";
   sAppStream << "/" << sExtGSDictName << " gs ";
 
-  CPDF_Array* pInteriorColor = pAnnotDict->GetArrayBy("IC");
+  CPDF_Array* pInteriorColor = pAnnotDict->GetArrayFor("IC");
   sAppStream << GetColorStringWithDefault(pInteriorColor,
                                           CPVT_Color(CPVT_Color::kTransparent),
                                           PaintOperation::FILL);
 
-  sAppStream << GetColorStringWithDefault(pAnnotDict->GetArrayBy("C"),
+  sAppStream << GetColorStringWithDefault(pAnnotDict->GetArrayFor("C"),
                                           CPVT_Color(CPVT_Color::kRGB, 0, 0, 0),
                                           PaintOperation::STROKE);
 
@@ -975,7 +976,7 @@
     sAppStream << GetDashPatternString(*pAnnotDict);
   }
 
-  CFX_FloatRect rect = pAnnotDict->GetRectBy("Rect");
+  CFX_FloatRect rect = pAnnotDict->GetRectFor("Rect");
   rect.Normalize();
 
   if (bIsStrokeRect) {
@@ -1005,11 +1006,11 @@
   CFX_ByteString sExtGSDictName = "GS";
   sAppStream << "/" << sExtGSDictName << " gs ";
 
-  sAppStream << GetColorStringWithDefault(pAnnotDict->GetArrayBy("C"),
+  sAppStream << GetColorStringWithDefault(pAnnotDict->GetArrayFor("C"),
                                           CPVT_Color(CPVT_Color::kRGB, 0, 0, 0),
                                           PaintOperation::STROKE);
 
-  CFX_FloatRect rect = pAnnotDict->GetRectBy("Rect");
+  CFX_FloatRect rect = pAnnotDict->GetRectFor("Rect");
   rect.Normalize();
 
   FX_FLOAT fLineWidth = 1.0;
@@ -1053,11 +1054,11 @@
   CFX_ByteString sExtGSDictName = "GS";
   sAppStream << "/" << sExtGSDictName << " gs ";
 
-  sAppStream << GetColorStringWithDefault(pAnnotDict->GetArrayBy("C"),
+  sAppStream << GetColorStringWithDefault(pAnnotDict->GetArrayFor("C"),
                                           CPVT_Color(CPVT_Color::kRGB, 0, 0, 0),
                                           PaintOperation::STROKE);
 
-  CFX_FloatRect rect = pAnnotDict->GetRectBy("Rect");
+  CFX_FloatRect rect = pAnnotDict->GetRectFor("Rect");
   rect.Normalize();
 
   FX_FLOAT fLineWidth = 1.0;
diff --git a/core/fpdfdoc/doc_tagged.cpp b/core/fpdfdoc/doc_tagged.cpp
index 80a296a..6b60e97 100644
--- a/core/fpdfdoc/doc_tagged.cpp
+++ b/core/fpdfdoc/doc_tagged.cpp
@@ -21,8 +21,8 @@
 
 bool IsTagged(const CPDF_Document* pDoc) {
   CPDF_Dictionary* pCatalog = pDoc->GetRoot();
-  CPDF_Dictionary* pMarkInfo = pCatalog->GetDictBy("MarkInfo");
-  return pMarkInfo && pMarkInfo->GetIntegerBy("Marked");
+  CPDF_Dictionary* pMarkInfo = pCatalog->GetDictFor("MarkInfo");
+  return pMarkInfo && pMarkInfo->GetIntegerFor("Marked");
 }
 
 }  // namespace
@@ -49,8 +49,8 @@
 }
 
 CPDF_StructTreeImpl::CPDF_StructTreeImpl(const CPDF_Document* pDoc)
-    : m_pTreeRoot(pDoc->GetRoot()->GetDictBy("StructTreeRoot")),
-      m_pRoleMap(m_pTreeRoot ? m_pTreeRoot->GetDictBy("RoleMap") : nullptr),
+    : m_pTreeRoot(pDoc->GetRoot()->GetDictFor("StructTreeRoot")),
+      m_pRoleMap(m_pTreeRoot ? m_pTreeRoot->GetDictFor("RoleMap") : nullptr),
       m_pPage(nullptr) {}
 
 CPDF_StructTreeImpl::~CPDF_StructTreeImpl() {}
@@ -68,7 +68,7 @@
   if (!m_pTreeRoot)
     return;
 
-  CPDF_Object* pKids = m_pTreeRoot->GetDirectObjectBy("K");
+  CPDF_Object* pKids = m_pTreeRoot->GetDirectObjectFor("K");
   if (!pKids)
     return;
 
@@ -93,7 +93,7 @@
   if (!m_pTreeRoot)
     return;
 
-  CPDF_Object* pKids = m_pTreeRoot->GetDirectObjectBy("K");
+  CPDF_Object* pKids = m_pTreeRoot->GetDirectObjectFor("K");
   if (!pKids)
     return;
 
@@ -107,12 +107,12 @@
 
   m_Kids.clear();
   m_Kids.resize(dwKids);
-  CPDF_Dictionary* pParentTree = m_pTreeRoot->GetDictBy("ParentTree");
+  CPDF_Dictionary* pParentTree = m_pTreeRoot->GetDictFor("ParentTree");
   if (!pParentTree)
     return;
 
   CPDF_NumberTree parent_tree(pParentTree);
-  int parents_id = pPageDict->GetIntegerBy("StructParents", -1);
+  int parents_id = pPageDict->GetIntegerFor("StructParents", -1);
   if (parents_id < 0)
     return;
 
@@ -141,8 +141,8 @@
   CPDF_StructElementImpl* pElement =
       new CPDF_StructElementImpl(this, nullptr, pDict);
   map[pDict] = pElement;
-  CPDF_Dictionary* pParent = pDict->GetDictBy("P");
-  if (!pParent || pParent->GetStringBy("Type") == "StructTreeRoot") {
+  CPDF_Dictionary* pParent = pDict->GetDictFor("P");
+  if (!pParent || pParent->GetStringFor("Type") == "StructTreeRoot") {
     if (!AddTopLevelNode(pDict, pElement)) {
       pElement->Release();
       map.erase(pDict);
@@ -168,7 +168,7 @@
 }
 FX_BOOL CPDF_StructTreeImpl::AddTopLevelNode(CPDF_Dictionary* pDict,
                                              CPDF_StructElementImpl* pElement) {
-  CPDF_Object* pObj = m_pTreeRoot->GetDirectObjectBy("K");
+  CPDF_Object* pObj = m_pTreeRoot->GetDirectObjectFor("K");
   if (!pObj)
     return FALSE;
 
@@ -199,9 +199,9 @@
       m_pTree(pTree),
       m_pParent(pParent),
       m_pDict(pDict),
-      m_Type(pDict->GetStringBy("S")) {
+      m_Type(pDict->GetStringFor("S")) {
   if (pTree->m_pRoleMap) {
-    CFX_ByteString mapped = pTree->m_pRoleMap->GetStringBy(m_Type);
+    CFX_ByteString mapped = pTree->m_pRoleMap->GetStringFor(m_Type);
     if (!mapped.IsEmpty())
       m_Type = mapped;
   }
@@ -249,12 +249,12 @@
   }
 }
 void CPDF_StructElementImpl::LoadKids(CPDF_Dictionary* pDict) {
-  CPDF_Object* pObj = pDict->GetObjectBy("Pg");
+  CPDF_Object* pObj = pDict->GetObjectFor("Pg");
   uint32_t PageObjNum = 0;
   if (CPDF_Reference* pRef = ToReference(pObj))
     PageObjNum = pRef->GetRefObjNum();
 
-  CPDF_Object* pKids = pDict->GetDirectObjectBy("K");
+  CPDF_Object* pKids = pDict->GetDirectObjectFor("K");
   if (!pKids)
     return;
 
@@ -291,28 +291,28 @@
   if (!pKidDict)
     return;
 
-  if (CPDF_Reference* pRef = ToReference(pKidDict->GetObjectBy("Pg")))
+  if (CPDF_Reference* pRef = ToReference(pKidDict->GetObjectFor("Pg")))
     PageObjNum = pRef->GetRefObjNum();
 
-  CFX_ByteString type = pKidDict->GetStringBy("Type");
+  CFX_ByteString type = pKidDict->GetStringFor("Type");
   if (type == "MCR") {
     if (m_pTree->m_pPage && m_pTree->m_pPage->GetObjNum() != PageObjNum) {
       return;
     }
     pKid->m_Type = CPDF_StructKid::StreamContent;
-    if (CPDF_Reference* pRef = ToReference(pKidDict->GetObjectBy("Stm"))) {
+    if (CPDF_Reference* pRef = ToReference(pKidDict->GetObjectFor("Stm"))) {
       pKid->m_StreamContent.m_RefObjNum = pRef->GetRefObjNum();
     } else {
       pKid->m_StreamContent.m_RefObjNum = 0;
     }
     pKid->m_StreamContent.m_PageObjNum = PageObjNum;
-    pKid->m_StreamContent.m_ContentId = pKidDict->GetIntegerBy("MCID");
+    pKid->m_StreamContent.m_ContentId = pKidDict->GetIntegerFor("MCID");
   } else if (type == "OBJR") {
     if (m_pTree->m_pPage && m_pTree->m_pPage->GetObjNum() != PageObjNum) {
       return;
     }
     pKid->m_Type = CPDF_StructKid::Object;
-    if (CPDF_Reference* pObj = ToReference(pKidDict->GetObjectBy("Obj"))) {
+    if (CPDF_Reference* pObj = ToReference(pKidDict->GetObjectFor("Obj"))) {
       pKid->m_Object.m_RefObjNum = pObj->GetRefObjNum();
     } else {
       pKid->m_Object.m_RefObjNum = 0;
@@ -350,7 +350,7 @@
         return pDict;
     }
   }
-  if (pDict && pDict->GetStringBy("O") == owner)
+  if (pDict && pDict->GetStringFor("O") == owner)
     return pDict;
   return nullptr;
 }
@@ -371,37 +371,37 @@
     }
     return m_pParent->GetAttr(owner, name, TRUE, fLevel + 1);
   }
-  CPDF_Object* pA = m_pDict->GetDirectObjectBy("A");
+  CPDF_Object* pA = m_pDict->GetDirectObjectFor("A");
   if (pA) {
     CPDF_Dictionary* pAttrDict = FindAttrDict(pA, owner);
     if (pAttrDict) {
-      CPDF_Object* pAttr = pAttrDict->GetDirectObjectBy(CFX_ByteString(name));
+      CPDF_Object* pAttr = pAttrDict->GetDirectObjectFor(CFX_ByteString(name));
       if (pAttr) {
         return pAttr;
       }
     }
   }
-  CPDF_Object* pC = m_pDict->GetDirectObjectBy("C");
+  CPDF_Object* pC = m_pDict->GetDirectObjectFor("C");
   if (!pC)
     return nullptr;
 
-  CPDF_Dictionary* pClassMap = m_pTree->m_pTreeRoot->GetDictBy("ClassMap");
+  CPDF_Dictionary* pClassMap = m_pTree->m_pTreeRoot->GetDictFor("ClassMap");
   if (!pClassMap)
     return nullptr;
 
   if (CPDF_Array* pArray = pC->AsArray()) {
     for (uint32_t i = 0; i < pArray->GetCount(); i++) {
       CFX_ByteString class_name = pArray->GetStringAt(i);
-      CPDF_Dictionary* pClassDict = pClassMap->GetDictBy(class_name);
-      if (pClassDict && pClassDict->GetStringBy("O") == owner)
-        return pClassDict->GetDirectObjectBy(CFX_ByteString(name));
+      CPDF_Dictionary* pClassDict = pClassMap->GetDictFor(class_name);
+      if (pClassDict && pClassDict->GetStringFor("O") == owner)
+        return pClassDict->GetDirectObjectFor(CFX_ByteString(name));
     }
     return nullptr;
   }
   CFX_ByteString class_name = pC->GetString();
-  CPDF_Dictionary* pClassDict = pClassMap->GetDictBy(class_name);
-  if (pClassDict && pClassDict->GetStringBy("O") == owner)
-    return pClassDict->GetDirectObjectBy(CFX_ByteString(name));
+  CPDF_Dictionary* pClassDict = pClassMap->GetDictFor(class_name);
+  if (pClassDict && pClassDict->GetStringFor("O") == owner)
+    return pClassDict->GetDirectObjectFor(CFX_ByteString(name));
   return nullptr;
 }
 CPDF_Object* CPDF_StructElementImpl::GetAttr(const CFX_ByteStringC& owner,
diff --git a/core/fpdfdoc/include/cpdf_action.h b/core/fpdfdoc/include/cpdf_action.h
index 90e3301..0b095e4 100644
--- a/core/fpdfdoc/include/cpdf_action.h
+++ b/core/fpdfdoc/include/cpdf_action.h
@@ -45,9 +45,9 @@
   CPDF_Dest GetDest(CPDF_Document* pDoc) const;
   CFX_WideString GetFilePath() const;
   CFX_ByteString GetURI(CPDF_Document* pDoc) const;
-  bool GetHideStatus() const { return m_pDict->GetBooleanBy("H", true); }
-  CFX_ByteString GetNamedAction() const { return m_pDict->GetStringBy("N"); }
-  uint32_t GetFlags() const { return m_pDict->GetIntegerBy("Flags"); }
+  bool GetHideStatus() const { return m_pDict->GetBooleanFor("H", true); }
+  CFX_ByteString GetNamedAction() const { return m_pDict->GetStringFor("N"); }
+  uint32_t GetFlags() const { return m_pDict->GetIntegerFor("Flags"); }
   CFX_WideString GetJavaScript() const;
   size_t GetSubActionsCount() const;
   CPDF_Action GetSubAction(size_t iIndex) const;
diff --git a/core/fpdfdoc/include/cpdf_formcontrol.h b/core/fpdfdoc/include/cpdf_formcontrol.h
index cf246bd..c73318f 100644
--- a/core/fpdfdoc/include/cpdf_formcontrol.h
+++ b/core/fpdfdoc/include/cpdf_formcontrol.h
@@ -50,7 +50,7 @@
   CPDF_InterForm* GetInterForm() const { return m_pForm; }
   CPDF_FormField* GetField() const { return m_pField; }
   CPDF_Dictionary* GetWidget() const { return m_pWidgetDict; }
-  CFX_FloatRect GetRect() const { return m_pWidgetDict->GetRectBy("Rect"); }
+  CFX_FloatRect GetRect() const { return m_pWidgetDict->GetRectFor("Rect"); }
 
   void DrawControl(CFX_RenderDevice* pDevice,
                    CFX_Matrix* pMatrix,
diff --git a/core/fpdftext/cpdf_textpage.cpp b/core/fpdftext/cpdf_textpage.cpp
index cb60c45..c691d4b 100644
--- a/core/fpdftext/cpdf_textpage.cpp
+++ b/core/fpdftext/cpdf_textpage.cpp
@@ -822,7 +822,7 @@
       continue;
     pDict = item.GetParam();
     CPDF_String* temp =
-        ToString(pDict ? pDict->GetObjectBy("ActualText") : nullptr);
+        ToString(pDict ? pDict->GetObjectFor("ActualText") : nullptr);
     if (temp) {
       bExist = true;
       actText = temp->GetUnicodeText();
@@ -884,7 +884,7 @@
       continue;
     pDict = item.GetParam();
     if (pDict)
-      actText = pDict->GetUnicodeTextBy("ActualText");
+      actText = pDict->GetUnicodeTextFor("ActualText");
   }
   FX_STRSIZE nItems = actText.GetLength();
   if (nItems < 1)
diff --git a/core/fxge/dib/fx_dib_engine_unittest.cpp b/core/fxge/dib/fx_dib_engine_unittest.cpp
index d185adf..4b4063b 100644
--- a/core/fxge/dib/fx_dib_engine_unittest.cpp
+++ b/core/fxge/dib/fx_dib_engine_unittest.cpp
@@ -17,8 +17,8 @@
   FX_RECT clip_rect;
   std::unique_ptr<CPDF_Dictionary, ReleaseDeleter<CPDF_Dictionary>> dict_obj(
       new CPDF_Dictionary);
-  dict_obj->SetAt("Width", new CPDF_Number(71000));
-  dict_obj->SetAt("Height", new CPDF_Number(12500));
+  dict_obj->SetFor("Width", new CPDF_Number(71000));
+  dict_obj->SetFor("Height", new CPDF_Number(12500));
   std::unique_ptr<CPDF_Stream, ReleaseDeleter<CPDF_Stream>> stream(
       new CPDF_Stream(nullptr, 0, dict_obj.release()));
   CPDF_DIBSource dib_source;
diff --git a/core/fxge/skia/fx_skia_device.cpp b/core/fxge/skia/fx_skia_device.cpp
index fd4f739..d2e4abc 100644
--- a/core/fxge/skia/fx_skia_device.cpp
+++ b/core/fxge/skia/fx_skia_device.cpp
@@ -1231,7 +1231,7 @@
   if (nFuncs != 1)  // TODO(caryclark) remove this restriction
     return false;
   CPDF_Dictionary* pDict = pPattern->GetShadingObject()->GetDict();
-  CPDF_Array* pCoords = pDict->GetArrayBy("Coords");
+  CPDF_Array* pCoords = pDict->GetArrayFor("Coords");
   if (!pCoords)
     return true;
   // TODO(caryclark) Respect Domain[0], Domain[1]. (Don't know what they do
@@ -1261,7 +1261,7 @@
       return false;
     }
   }
-  CPDF_Array* pArray = pDict->GetArrayBy("Extend");
+  CPDF_Array* pArray = pDict->GetArrayFor("Extend");
   bool clipStart = !pArray || !pArray->GetIntegerAt(0);
   bool clipEnd = !pArray || !pArray->GetIntegerAt(1);
   SkPaint paint;
diff --git a/fpdfsdk/cba_annotiterator.cpp b/fpdfsdk/cba_annotiterator.cpp
index 51ee54b..feca9fc 100644
--- a/fpdfsdk/cba_annotiterator.cpp
+++ b/fpdfsdk/cba_annotiterator.cpp
@@ -28,7 +28,7 @@
       m_pPageView(pPageView),
       m_nAnnotSubtype(nAnnotSubtype) {
   CPDF_Page* pPDFPage = m_pPageView->GetPDFPage();
-  CFX_ByteString sTabs = pPDFPage->m_pFormDict->GetStringBy("Tabs");
+  CFX_ByteString sTabs = pPDFPage->m_pFormDict->GetStringFor("Tabs");
   if (sTabs == "R")
     m_eTabOrder = ROW;
   else if (sTabs == "C")
diff --git a/fpdfsdk/cpdfsdk_annothandlermgr.cpp b/fpdfsdk/cpdfsdk_annothandlermgr.cpp
index 443ee05..f808b84 100644
--- a/fpdfsdk/cpdfsdk_annothandlermgr.cpp
+++ b/fpdfsdk/cpdfsdk_annothandlermgr.cpp
@@ -63,8 +63,8 @@
   CPDF_Annot* pPDFAnnot = pAnnot->GetPDFAnnot();
 
   CPDFSDK_DateTime curTime;
-  pPDFAnnot->GetAnnotDict()->SetAtString("M", curTime.ToPDFDateTimeString());
-  pPDFAnnot->GetAnnotDict()->SetAtNumber("F", 0);
+  pPDFAnnot->GetAnnotDict()->SetStringFor("M", curTime.ToPDFDateTimeString());
+  pPDFAnnot->GetAnnotDict()->SetNumberFor("F", 0);
 
   GetAnnotHandler(pAnnot)->OnCreate(pAnnot);
 }
diff --git a/fpdfsdk/cpdfsdk_baannot.cpp b/fpdfsdk/cpdfsdk_baannot.cpp
index 48daaf9..e023ae7 100644
--- a/fpdfsdk/cpdfsdk_baannot.cpp
+++ b/fpdfsdk/cpdfsdk_baannot.cpp
@@ -37,7 +37,7 @@
   ASSERT(rect.right - rect.left >= GetMinWidth());
   ASSERT(rect.top - rect.bottom >= GetMinHeight());
 
-  m_pAnnot->GetAnnotDict()->SetAtRect("Rect", rect);
+  m_pAnnot->GetAnnotDict()->SetRectFor("Rect", rect);
 }
 
 CFX_FloatRect CPDFSDK_BAAnnot::GetRect() const {
@@ -57,11 +57,11 @@
 }
 
 FX_BOOL CPDFSDK_BAAnnot::IsAppearanceValid() {
-  return !!m_pAnnot->GetAnnotDict()->GetDictBy("AP");
+  return !!m_pAnnot->GetAnnotDict()->GetDictFor("AP");
 }
 
 FX_BOOL CPDFSDK_BAAnnot::IsAppearanceValid(CPDF_Annot::AppearanceMode mode) {
-  CPDF_Dictionary* pAP = m_pAnnot->GetAnnotDict()->GetDictBy("AP");
+  CPDF_Dictionary* pAP = m_pAnnot->GetAnnotDict()->GetDictFor("AP");
   if (!pAP)
     return FALSE;
 
@@ -75,7 +75,7 @@
     ap_entry = "N";
 
   // Get the AP stream or subdirectory
-  CPDF_Object* psub = pAP->GetDirectObjectBy(ap_entry);
+  CPDF_Object* psub = pAP->GetDirectObjectFor(ap_entry);
   return !!psub;
 }
 
@@ -91,25 +91,25 @@
 
 void CPDFSDK_BAAnnot::SetContents(const CFX_WideString& sContents) {
   if (sContents.IsEmpty())
-    m_pAnnot->GetAnnotDict()->RemoveAt("Contents");
+    m_pAnnot->GetAnnotDict()->RemoveFor("Contents");
   else
-    m_pAnnot->GetAnnotDict()->SetAtString("Contents",
-                                          PDF_EncodeText(sContents));
+    m_pAnnot->GetAnnotDict()->SetStringFor("Contents",
+                                           PDF_EncodeText(sContents));
 }
 
 CFX_WideString CPDFSDK_BAAnnot::GetContents() const {
-  return m_pAnnot->GetAnnotDict()->GetUnicodeTextBy("Contents");
+  return m_pAnnot->GetAnnotDict()->GetUnicodeTextFor("Contents");
 }
 
 void CPDFSDK_BAAnnot::SetAnnotName(const CFX_WideString& sName) {
   if (sName.IsEmpty())
-    m_pAnnot->GetAnnotDict()->RemoveAt("NM");
+    m_pAnnot->GetAnnotDict()->RemoveFor("NM");
   else
-    m_pAnnot->GetAnnotDict()->SetAtString("NM", PDF_EncodeText(sName));
+    m_pAnnot->GetAnnotDict()->SetStringFor("NM", PDF_EncodeText(sName));
 }
 
 CFX_WideString CPDFSDK_BAAnnot::GetAnnotName() const {
-  return m_pAnnot->GetAnnotDict()->GetUnicodeTextBy("NM");
+  return m_pAnnot->GetAnnotDict()->GetUnicodeTextFor("NM");
 }
 
 void CPDFSDK_BAAnnot::SetModifiedDate(const FX_SYSTEMTIME& st) {
@@ -117,14 +117,14 @@
   CFX_ByteString str = dt.ToPDFDateTimeString();
 
   if (str.IsEmpty())
-    m_pAnnot->GetAnnotDict()->RemoveAt("M");
+    m_pAnnot->GetAnnotDict()->RemoveFor("M");
   else
-    m_pAnnot->GetAnnotDict()->SetAtString("M", str);
+    m_pAnnot->GetAnnotDict()->SetStringFor("M", str);
 }
 
 FX_SYSTEMTIME CPDFSDK_BAAnnot::GetModifiedDate() const {
   FX_SYSTEMTIME systime;
-  CFX_ByteString str = m_pAnnot->GetAnnotDict()->GetStringBy("M");
+  CFX_ByteString str = m_pAnnot->GetAnnotDict()->GetStringFor("M");
 
   CPDFSDK_DateTime dt(str);
   dt.ToSystemTime(systime);
@@ -133,82 +133,82 @@
 }
 
 void CPDFSDK_BAAnnot::SetFlags(uint32_t nFlags) {
-  m_pAnnot->GetAnnotDict()->SetAtInteger("F", nFlags);
+  m_pAnnot->GetAnnotDict()->SetIntegerFor("F", nFlags);
 }
 
 uint32_t CPDFSDK_BAAnnot::GetFlags() const {
-  return m_pAnnot->GetAnnotDict()->GetIntegerBy("F");
+  return m_pAnnot->GetAnnotDict()->GetIntegerFor("F");
 }
 
 void CPDFSDK_BAAnnot::SetAppState(const CFX_ByteString& str) {
   if (str.IsEmpty())
-    m_pAnnot->GetAnnotDict()->RemoveAt("AS");
+    m_pAnnot->GetAnnotDict()->RemoveFor("AS");
   else
-    m_pAnnot->GetAnnotDict()->SetAtString("AS", str);
+    m_pAnnot->GetAnnotDict()->SetStringFor("AS", str);
 }
 
 CFX_ByteString CPDFSDK_BAAnnot::GetAppState() const {
-  return m_pAnnot->GetAnnotDict()->GetStringBy("AS");
+  return m_pAnnot->GetAnnotDict()->GetStringFor("AS");
 }
 
 void CPDFSDK_BAAnnot::SetStructParent(int key) {
-  m_pAnnot->GetAnnotDict()->SetAtInteger("StructParent", key);
+  m_pAnnot->GetAnnotDict()->SetIntegerFor("StructParent", key);
 }
 
 int CPDFSDK_BAAnnot::GetStructParent() const {
-  return m_pAnnot->GetAnnotDict()->GetIntegerBy("StructParent");
+  return m_pAnnot->GetAnnotDict()->GetIntegerFor("StructParent");
 }
 
 // border
 void CPDFSDK_BAAnnot::SetBorderWidth(int nWidth) {
-  CPDF_Array* pBorder = m_pAnnot->GetAnnotDict()->GetArrayBy("Border");
+  CPDF_Array* pBorder = m_pAnnot->GetAnnotDict()->GetArrayFor("Border");
 
   if (pBorder) {
     pBorder->SetAt(2, new CPDF_Number(nWidth));
   } else {
-    CPDF_Dictionary* pBSDict = m_pAnnot->GetAnnotDict()->GetDictBy("BS");
+    CPDF_Dictionary* pBSDict = m_pAnnot->GetAnnotDict()->GetDictFor("BS");
 
     if (!pBSDict) {
       pBSDict = new CPDF_Dictionary;
-      m_pAnnot->GetAnnotDict()->SetAt("BS", pBSDict);
+      m_pAnnot->GetAnnotDict()->SetFor("BS", pBSDict);
     }
 
-    pBSDict->SetAtInteger("W", nWidth);
+    pBSDict->SetIntegerFor("W", nWidth);
   }
 }
 
 int CPDFSDK_BAAnnot::GetBorderWidth() const {
-  if (CPDF_Array* pBorder = m_pAnnot->GetAnnotDict()->GetArrayBy("Border")) {
+  if (CPDF_Array* pBorder = m_pAnnot->GetAnnotDict()->GetArrayFor("Border")) {
     return pBorder->GetIntegerAt(2);
   }
-  if (CPDF_Dictionary* pBSDict = m_pAnnot->GetAnnotDict()->GetDictBy("BS")) {
-    return pBSDict->GetIntegerBy("W", 1);
+  if (CPDF_Dictionary* pBSDict = m_pAnnot->GetAnnotDict()->GetDictFor("BS")) {
+    return pBSDict->GetIntegerFor("W", 1);
   }
   return 1;
 }
 
 void CPDFSDK_BAAnnot::SetBorderStyle(BorderStyle nStyle) {
-  CPDF_Dictionary* pBSDict = m_pAnnot->GetAnnotDict()->GetDictBy("BS");
+  CPDF_Dictionary* pBSDict = m_pAnnot->GetAnnotDict()->GetDictFor("BS");
   if (!pBSDict) {
     pBSDict = new CPDF_Dictionary;
-    m_pAnnot->GetAnnotDict()->SetAt("BS", pBSDict);
+    m_pAnnot->GetAnnotDict()->SetFor("BS", pBSDict);
   }
 
   switch (nStyle) {
     case BorderStyle::SOLID:
-      pBSDict->SetAtName("S", "S");
+      pBSDict->SetNameFor("S", "S");
       break;
     case BorderStyle::DASH:
-      pBSDict->SetAtName("S", "D");
+      pBSDict->SetNameFor("S", "D");
       break;
     case BorderStyle::BEVELED:
-      pBSDict->SetAtName("S", "B");
+      pBSDict->SetNameFor("S", "B");
       break;
     case BorderStyle::INSET:
-      pBSDict->SetAtName("S", "I");
+      pBSDict->SetNameFor("S", "I");
       break;
     case BorderStyle::UNDERLINE:
-      pBSDict->SetAtName("S", "U");
+      pBSDict->SetNameFor("S", "U");
       break;
     default:
       break;
@@ -216,9 +216,9 @@
 }
 
 BorderStyle CPDFSDK_BAAnnot::GetBorderStyle() const {
-  CPDF_Dictionary* pBSDict = m_pAnnot->GetAnnotDict()->GetDictBy("BS");
+  CPDF_Dictionary* pBSDict = m_pAnnot->GetAnnotDict()->GetDictFor("BS");
   if (pBSDict) {
-    CFX_ByteString sBorderStyle = pBSDict->GetStringBy("S", "S");
+    CFX_ByteString sBorderStyle = pBSDict->GetStringFor("S", "S");
     if (sBorderStyle == "S")
       return BorderStyle::SOLID;
     if (sBorderStyle == "D")
@@ -231,7 +231,7 @@
       return BorderStyle::UNDERLINE;
   }
 
-  CPDF_Array* pBorder = m_pAnnot->GetAnnotDict()->GetArrayBy("Border");
+  CPDF_Array* pBorder = m_pAnnot->GetAnnotDict()->GetArrayFor("Border");
   if (pBorder) {
     if (pBorder->GetCount() >= 4) {
       CPDF_Array* pDP = pBorder->GetArrayAt(3);
@@ -248,15 +248,15 @@
   pArray->AddNumber((FX_FLOAT)FXSYS_GetRValue(color) / 255.0f);
   pArray->AddNumber((FX_FLOAT)FXSYS_GetGValue(color) / 255.0f);
   pArray->AddNumber((FX_FLOAT)FXSYS_GetBValue(color) / 255.0f);
-  m_pAnnot->GetAnnotDict()->SetAt("C", pArray);
+  m_pAnnot->GetAnnotDict()->SetFor("C", pArray);
 }
 
 void CPDFSDK_BAAnnot::RemoveColor() {
-  m_pAnnot->GetAnnotDict()->RemoveAt("C");
+  m_pAnnot->GetAnnotDict()->RemoveFor("C");
 }
 
 FX_BOOL CPDFSDK_BAAnnot::GetColor(FX_COLORREF& color) const {
-  if (CPDF_Array* pEntry = m_pAnnot->GetAnnotDict()->GetArrayBy("C")) {
+  if (CPDF_Array* pEntry = m_pAnnot->GetAnnotDict()->GetArrayFor("C")) {
     size_t nCount = pEntry->GetCount();
     if (nCount == 1) {
       FX_FLOAT g = pEntry->GetNumberAt(0) * 255;
@@ -296,11 +296,11 @@
                                       const CFX_Matrix& matrix,
                                       const CFX_ByteString& sContents,
                                       const CFX_ByteString& sAPState) {
-  CPDF_Dictionary* pAPDict = m_pAnnot->GetAnnotDict()->GetDictBy("AP");
+  CPDF_Dictionary* pAPDict = m_pAnnot->GetAnnotDict()->GetDictFor("AP");
 
   if (!pAPDict) {
     pAPDict = new CPDF_Dictionary;
-    m_pAnnot->GetAnnotDict()->SetAt("AP", pAPDict);
+    m_pAnnot->GetAnnotDict()->SetFor("AP", pAPDict);
   }
 
   CPDF_Stream* pStream = nullptr;
@@ -308,36 +308,36 @@
 
   if (sAPState.IsEmpty()) {
     pParentDict = pAPDict;
-    pStream = pAPDict->GetStreamBy(sAPType);
+    pStream = pAPDict->GetStreamFor(sAPType);
   } else {
-    CPDF_Dictionary* pAPTypeDict = pAPDict->GetDictBy(sAPType);
+    CPDF_Dictionary* pAPTypeDict = pAPDict->GetDictFor(sAPType);
     if (!pAPTypeDict) {
       pAPTypeDict = new CPDF_Dictionary;
-      pAPDict->SetAt(sAPType, pAPTypeDict);
+      pAPDict->SetFor(sAPType, pAPTypeDict);
     }
     pParentDict = pAPTypeDict;
-    pStream = pAPTypeDict->GetStreamBy(sAPState);
+    pStream = pAPTypeDict->GetStreamFor(sAPState);
   }
 
   if (!pStream) {
     pStream = new CPDF_Stream(nullptr, 0, nullptr);
     CPDF_Document* pDoc = m_pPageView->GetPDFDocument();
     int32_t objnum = pDoc->AddIndirectObject(pStream);
-    pParentDict->SetAtReference(sAPType, pDoc, objnum);
+    pParentDict->SetReferenceFor(sAPType, pDoc, objnum);
   }
 
   CPDF_Dictionary* pStreamDict = pStream->GetDict();
   if (!pStreamDict) {
     pStreamDict = new CPDF_Dictionary;
-    pStreamDict->SetAtName("Type", "XObject");
-    pStreamDict->SetAtName("Subtype", "Form");
-    pStreamDict->SetAtInteger("FormType", 1);
+    pStreamDict->SetNameFor("Type", "XObject");
+    pStreamDict->SetNameFor("Subtype", "Form");
+    pStreamDict->SetIntegerFor("FormType", 1);
     pStream->InitStream(nullptr, 0, pStreamDict);
   }
 
   if (pStreamDict) {
-    pStreamDict->SetAtMatrix("Matrix", matrix);
-    pStreamDict->SetAtRect("BBox", rcBBox);
+    pStreamDict->SetMatrixFor("Matrix", matrix);
+    pStreamDict->SetRectFor("BBox", rcBBox);
   }
 
   pStream->SetData((uint8_t*)sContents.c_str(), sContents.GetLength(), FALSE,
@@ -351,36 +351,36 @@
 }
 
 CPDF_Action CPDFSDK_BAAnnot::GetAction() const {
-  return CPDF_Action(m_pAnnot->GetAnnotDict()->GetDictBy("A"));
+  return CPDF_Action(m_pAnnot->GetAnnotDict()->GetDictFor("A"));
 }
 
 void CPDFSDK_BAAnnot::SetAction(const CPDF_Action& action) {
   ASSERT(action.GetDict());
-  if (action.GetDict() != m_pAnnot->GetAnnotDict()->GetDictBy("A")) {
+  if (action.GetDict() != m_pAnnot->GetAnnotDict()->GetDictFor("A")) {
     CPDF_Document* pDoc = m_pPageView->GetPDFDocument();
     CPDF_Dictionary* pDict = action.GetDict();
     if (pDict && pDict->GetObjNum() == 0) {
       pDoc->AddIndirectObject(pDict);
     }
-    m_pAnnot->GetAnnotDict()->SetAtReference("A", pDoc, pDict->GetObjNum());
+    m_pAnnot->GetAnnotDict()->SetReferenceFor("A", pDoc, pDict->GetObjNum());
   }
 }
 
 void CPDFSDK_BAAnnot::RemoveAction() {
-  m_pAnnot->GetAnnotDict()->RemoveAt("A");
+  m_pAnnot->GetAnnotDict()->RemoveFor("A");
 }
 
 CPDF_AAction CPDFSDK_BAAnnot::GetAAction() const {
-  return CPDF_AAction(m_pAnnot->GetAnnotDict()->GetDictBy("AA"));
+  return CPDF_AAction(m_pAnnot->GetAnnotDict()->GetDictFor("AA"));
 }
 
 void CPDFSDK_BAAnnot::SetAAction(const CPDF_AAction& aa) {
-  if (aa.GetDict() != m_pAnnot->GetAnnotDict()->GetDictBy("AA"))
-    m_pAnnot->GetAnnotDict()->SetAt("AA", aa.GetDict());
+  if (aa.GetDict() != m_pAnnot->GetAnnotDict()->GetDictFor("AA"))
+    m_pAnnot->GetAnnotDict()->SetFor("AA", aa.GetDict());
 }
 
 void CPDFSDK_BAAnnot::RemoveAAction() {
-  m_pAnnot->GetAnnotDict()->RemoveAt("AA");
+  m_pAnnot->GetAnnotDict()->RemoveFor("AA");
 }
 
 CPDF_Action CPDFSDK_BAAnnot::GetAAction(CPDF_AAction::AActionType eAAT) {
diff --git a/fpdfsdk/cpdfsdk_document.cpp b/fpdfsdk/cpdfsdk_document.cpp
index fc09e8a..339aeab 100644
--- a/fpdfsdk/cpdfsdk_document.cpp
+++ b/fpdfsdk/cpdfsdk_document.cpp
@@ -103,9 +103,9 @@
   if (!pRoot)
     return FALSE;
 
-  CPDF_Object* pOpenAction = pRoot->GetDictBy("OpenAction");
+  CPDF_Object* pOpenAction = pRoot->GetDictFor("OpenAction");
   if (!pOpenAction)
-    pOpenAction = pRoot->GetArrayBy("OpenAction");
+    pOpenAction = pRoot->GetArrayFor("OpenAction");
 
   if (!pOpenAction)
     return FALSE;
diff --git a/fpdfsdk/cpdfsdk_interform.cpp b/fpdfsdk/cpdfsdk_interform.cpp
index 12def4c..e9fb5b4 100644
--- a/fpdfsdk/cpdfsdk_interform.cpp
+++ b/fpdfsdk/cpdfsdk_interform.cpp
@@ -100,7 +100,7 @@
   CPDF_Document* pDocument = m_pDocument->GetPDFDocument();
   CPDFSDK_PageView* pPage = nullptr;
 
-  if (CPDF_Dictionary* pPageDict = pControlDict->GetDictBy("P")) {
+  if (CPDF_Dictionary* pPageDict = pControlDict->GetDictFor("P")) {
     int nPageIndex = pDocument->GetPageIndex(pPageDict->GetObjNum());
     if (nPageIndex >= 0)
       pPage = m_pDocument->GetPageView(nPageIndex);
@@ -147,7 +147,7 @@
 
   for (int i = 0, sz = pDocument->GetPageCount(); i < sz; i++) {
     if (CPDF_Dictionary* pPageDict = pDocument->GetPage(i)) {
-      if (CPDF_Array* pAnnots = pPageDict->GetArrayBy("Annots")) {
+      if (CPDF_Array* pAnnots = pPageDict->GetArrayFor("Annots")) {
         for (int j = 0, jsz = pAnnots->GetCount(); j < jsz; j++) {
           CPDF_Object* pDict = pAnnots->GetDirectObjectAt(j);
           if (pAnnotDict == pDict)
@@ -484,11 +484,11 @@
   if (!pFDF)
     return TRUE;
 
-  CPDF_Dictionary* pMainDict = pFDF->GetRoot()->GetDictBy("FDF");
+  CPDF_Dictionary* pMainDict = pFDF->GetRoot()->GetDictFor("FDF");
   if (!pMainDict)
     return FALSE;
 
-  CPDF_Array* pFields = pMainDict->GetArrayBy("Fields");
+  CPDF_Array* pFields = pMainDict->GetArrayFor("Fields");
   if (!pFields)
     return FALSE;
 
@@ -498,9 +498,9 @@
     if (!pField)
       continue;
     CFX_WideString name;
-    name = pField->GetUnicodeTextBy("T");
+    name = pField->GetUnicodeTextFor("T");
     CFX_ByteString name_b = CFX_ByteString::FromUnicode(name);
-    CFX_ByteString csBValue = pField->GetStringBy("V");
+    CFX_ByteString csBValue = pField->GetStringFor("V");
     CFX_WideString csWValue = PDF_DecodeText(csBValue);
     CFX_ByteString csValue_b = CFX_ByteString::FromUnicode(csWValue);
 
diff --git a/fpdfsdk/cpdfsdk_pageview.cpp b/fpdfsdk/cpdfsdk_pageview.cpp
index 7fed794..a342e01 100644
--- a/fpdfsdk/cpdfsdk_pageview.cpp
+++ b/fpdfsdk/cpdfsdk_pageview.cpp
@@ -231,7 +231,7 @@
 #endif  // PDF_ENABLE_XFA
 
 CPDFSDK_Annot* CPDFSDK_PageView::AddAnnot(CPDF_Dictionary* pDict) {
-  return pDict ? AddAnnot(pDict->GetStringBy("Subtype").c_str(), pDict)
+  return pDict ? AddAnnot(pDict->GetStringFor("Subtype").c_str(), pDict)
                : nullptr;
 }
 
diff --git a/fpdfsdk/cpdfsdk_widget.cpp b/fpdfsdk/cpdfsdk_widget.cpp
index 3519b06..9bc18fa 100644
--- a/fpdfsdk/cpdfsdk_widget.cpp
+++ b/fpdfsdk/cpdfsdk_widget.cpp
@@ -455,7 +455,7 @@
 
 FX_BOOL CPDFSDK_Widget::IsWidgetAppearanceValid(
     CPDF_Annot::AppearanceMode mode) {
-  CPDF_Dictionary* pAP = m_pAnnot->GetAnnotDict()->GetDictBy("AP");
+  CPDF_Dictionary* pAP = m_pAnnot->GetAnnotDict()->GetDictFor("AP");
   if (!pAP)
     return FALSE;
 
@@ -469,7 +469,7 @@
     ap_entry = "N";
 
   // Get the AP stream or subdirectory
-  CPDF_Object* psub = pAP->GetDirectObjectBy(ap_entry);
+  CPDF_Object* psub = pAP->GetDirectObjectFor(ap_entry);
   if (!psub)
     return FALSE;
 
@@ -484,7 +484,7 @@
     case FIELDTYPE_CHECKBOX:
     case FIELDTYPE_RADIOBUTTON:
       if (CPDF_Dictionary* pSubDict = psub->AsDictionary()) {
-        return !!pSubDict->GetStreamBy(GetAppState());
+        return !!pSubDict->GetStreamFor(GetAppState());
       }
       return FALSE;
   }
@@ -970,22 +970,22 @@
 
   if (pNormalIcon) {
     if (CPDF_Dictionary* pImageDict = pNormalIcon->GetDict()) {
-      if (pImageDict->GetStringBy("Name").IsEmpty())
-        pImageDict->SetAtString("Name", "ImgA");
+      if (pImageDict->GetStringFor("Name").IsEmpty())
+        pImageDict->SetStringFor("Name", "ImgA");
     }
   }
 
   if (pRolloverIcon) {
     if (CPDF_Dictionary* pImageDict = pRolloverIcon->GetDict()) {
-      if (pImageDict->GetStringBy("Name").IsEmpty())
-        pImageDict->SetAtString("Name", "ImgB");
+      if (pImageDict->GetStringFor("Name").IsEmpty())
+        pImageDict->SetStringFor("Name", "ImgB");
     }
   }
 
   if (pDownIcon) {
     if (CPDF_Dictionary* pImageDict = pDownIcon->GetDict()) {
-      if (pImageDict->GetStringBy("Name").IsEmpty())
-        pImageDict->SetAtString("Name", "ImgC");
+      if (pImageDict->GetStringFor("Name").IsEmpty())
+        pImageDict->SetStringFor("Name", "ImgC");
     }
   }
 
@@ -1810,33 +1810,33 @@
   CPDF_Document* pDoc = m_pPageView->GetPDFDocument();
   ASSERT(pDoc);
 
-  CPDF_Dictionary* pAPDict = m_pAnnot->GetAnnotDict()->GetDictBy("AP");
-  CPDF_Stream* pStream = pAPDict->GetStreamBy(sAPType);
+  CPDF_Dictionary* pAPDict = m_pAnnot->GetAnnotDict()->GetDictFor("AP");
+  CPDF_Stream* pStream = pAPDict->GetStreamFor(sAPType);
   CPDF_Dictionary* pStreamDict = pStream->GetDict();
   CFX_ByteString sImageAlias = "IMG";
 
   if (CPDF_Dictionary* pImageDict = pImage->GetDict()) {
-    sImageAlias = pImageDict->GetStringBy("Name");
+    sImageAlias = pImageDict->GetStringFor("Name");
     if (sImageAlias.IsEmpty())
       sImageAlias = "IMG";
   }
 
-  CPDF_Dictionary* pStreamResList = pStreamDict->GetDictBy("Resources");
+  CPDF_Dictionary* pStreamResList = pStreamDict->GetDictFor("Resources");
   if (!pStreamResList) {
     pStreamResList = new CPDF_Dictionary();
-    pStreamDict->SetAt("Resources", pStreamResList);
+    pStreamDict->SetFor("Resources", pStreamResList);
   }
 
   if (pStreamResList) {
     CPDF_Dictionary* pXObject = new CPDF_Dictionary;
-    pXObject->SetAtReference(sImageAlias, pDoc, pImage);
-    pStreamResList->SetAt("XObject", pXObject);
+    pXObject->SetReferenceFor(sImageAlias, pDoc, pImage);
+    pStreamResList->SetFor("XObject", pXObject);
   }
 }
 
 void CPDFSDK_Widget::RemoveAppearance(const CFX_ByteString& sAPType) {
-  if (CPDF_Dictionary* pAPDict = m_pAnnot->GetAnnotDict()->GetDictBy("AP"))
-    pAPDict->RemoveAt(sAPType);
+  if (CPDF_Dictionary* pAPDict = m_pAnnot->GetAnnotDict()->GetDictFor("AP"))
+    pAPDict->RemoveFor(sAPType);
 }
 
 FX_BOOL CPDFSDK_Widget::OnAAction(CPDF_AAction::AActionType type,
diff --git a/fpdfsdk/formfiller/cba_fontmap.cpp b/fpdfsdk/formfiller/cba_fontmap.cpp
index 575f6c3..8a98169 100644
--- a/fpdfsdk/formfiller/cba_fontmap.cpp
+++ b/fpdfsdk/formfiller/cba_fontmap.cpp
@@ -82,7 +82,7 @@
 
 CPDF_Font* CBA_FontMap::FindFontSameCharset(CFX_ByteString& sFontAlias,
                                             int32_t nCharset) {
-  if (m_pAnnotDict->GetStringBy("Subtype") != "Widget")
+  if (m_pAnnotDict->GetStringFor("Subtype") != "Widget")
     return nullptr;
 
   CPDF_Document* pDocument = GetDocument();
@@ -90,11 +90,11 @@
   if (!pRootDict)
     return nullptr;
 
-  CPDF_Dictionary* pAcroFormDict = pRootDict->GetDictBy("AcroForm");
+  CPDF_Dictionary* pAcroFormDict = pRootDict->GetDictFor("AcroForm");
   if (!pAcroFormDict)
     return nullptr;
 
-  CPDF_Dictionary* pDRDict = pAcroFormDict->GetDictBy("DR");
+  CPDF_Dictionary* pDRDict = pAcroFormDict->GetDictFor("DR");
   if (!pDRDict)
     return nullptr;
 
@@ -111,7 +111,7 @@
   if (!pResDict)
     return nullptr;
 
-  CPDF_Dictionary* pFonts = pResDict->GetDictBy("Font");
+  CPDF_Dictionary* pFonts = pResDict->GetDictFor("Font");
   if (!pFonts)
     return nullptr;
 
@@ -126,7 +126,7 @@
     CPDF_Dictionary* pElement = ToDictionary(pObj->GetDirect());
     if (!pElement)
       continue;
-    if (pElement->GetStringBy("Type") != "Font")
+    if (pElement->GetStringFor("Type") != "Font")
       continue;
 
     CPDF_Font* pFont = pDocument->LoadFont(pElement);
@@ -153,23 +153,23 @@
   if (!pFont)
     return;
 
-  CPDF_Dictionary* pAPDict = m_pAnnotDict->GetDictBy("AP");
+  CPDF_Dictionary* pAPDict = m_pAnnotDict->GetDictFor("AP");
 
   if (!pAPDict) {
     pAPDict = new CPDF_Dictionary;
-    m_pAnnotDict->SetAt("AP", pAPDict);
+    m_pAnnotDict->SetFor("AP", pAPDict);
   }
 
   // to avoid checkbox and radiobutton
-  CPDF_Object* pObject = pAPDict->GetObjectBy(m_sAPType);
+  CPDF_Object* pObject = pAPDict->GetObjectFor(m_sAPType);
   if (ToDictionary(pObject))
     return;
 
-  CPDF_Stream* pStream = pAPDict->GetStreamBy(m_sAPType);
+  CPDF_Stream* pStream = pAPDict->GetStreamFor(m_sAPType);
   if (!pStream) {
     pStream = new CPDF_Stream(nullptr, 0, nullptr);
     int32_t objnum = m_pDocument->AddIndirectObject(pStream);
-    pAPDict->SetAtReference(m_sAPType, m_pDocument, objnum);
+    pAPDict->SetReferenceFor(m_sAPType, m_pDocument, objnum);
   }
 
   CPDF_Dictionary* pStreamDict = pStream->GetDict();
@@ -180,32 +180,32 @@
   }
 
   if (pStreamDict) {
-    CPDF_Dictionary* pStreamResList = pStreamDict->GetDictBy("Resources");
+    CPDF_Dictionary* pStreamResList = pStreamDict->GetDictFor("Resources");
     if (!pStreamResList) {
       pStreamResList = new CPDF_Dictionary();
-      pStreamDict->SetAt("Resources", pStreamResList);
+      pStreamDict->SetFor("Resources", pStreamResList);
     }
 
     if (pStreamResList) {
-      CPDF_Dictionary* pStreamResFontList = pStreamResList->GetDictBy("Font");
+      CPDF_Dictionary* pStreamResFontList = pStreamResList->GetDictFor("Font");
       if (!pStreamResFontList) {
         pStreamResFontList = new CPDF_Dictionary;
         int32_t objnum = m_pDocument->AddIndirectObject(pStreamResFontList);
-        pStreamResList->SetAtReference("Font", m_pDocument, objnum);
+        pStreamResList->SetReferenceFor("Font", m_pDocument, objnum);
       }
       if (!pStreamResFontList->KeyExist(sAlias))
-        pStreamResFontList->SetAtReference(sAlias, m_pDocument,
-                                           pFont->GetFontDict());
+        pStreamResFontList->SetReferenceFor(sAlias, m_pDocument,
+                                            pFont->GetFontDict());
     }
   }
 }
 
 CPDF_Font* CBA_FontMap::GetAnnotDefaultFont(CFX_ByteString& sAlias) {
   CPDF_Dictionary* pAcroFormDict = nullptr;
-  const bool bWidget = (m_pAnnotDict->GetStringBy("Subtype") == "Widget");
+  const bool bWidget = (m_pAnnotDict->GetStringFor("Subtype") == "Widget");
   if (bWidget) {
     if (CPDF_Dictionary* pRootDict = m_pDocument->GetRoot())
-      pAcroFormDict = pRootDict->GetDictBy("AcroForm");
+      pAcroFormDict = pRootDict->GetDictFor("AcroForm");
   }
 
   CFX_ByteString sDA;
@@ -228,20 +228,20 @@
   sAlias = PDF_NameDecode(sFontName).Mid(1);
   CPDF_Dictionary* pFontDict = nullptr;
 
-  if (CPDF_Dictionary* pAPDict = m_pAnnotDict->GetDictBy("AP")) {
-    if (CPDF_Dictionary* pNormalDict = pAPDict->GetDictBy("N")) {
+  if (CPDF_Dictionary* pAPDict = m_pAnnotDict->GetDictFor("AP")) {
+    if (CPDF_Dictionary* pNormalDict = pAPDict->GetDictFor("N")) {
       if (CPDF_Dictionary* pNormalResDict =
-              pNormalDict->GetDictBy("Resources")) {
-        if (CPDF_Dictionary* pResFontDict = pNormalResDict->GetDictBy("Font"))
-          pFontDict = pResFontDict->GetDictBy(sAlias);
+              pNormalDict->GetDictFor("Resources")) {
+        if (CPDF_Dictionary* pResFontDict = pNormalResDict->GetDictFor("Font"))
+          pFontDict = pResFontDict->GetDictFor(sAlias);
       }
     }
   }
 
   if (bWidget && !pFontDict && pAcroFormDict) {
-    if (CPDF_Dictionary* pDRDict = pAcroFormDict->GetDictBy("DR")) {
-      if (CPDF_Dictionary* pDRFontDict = pDRDict->GetDictBy("Font"))
-        pFontDict = pDRFontDict->GetDictBy(sAlias);
+    if (CPDF_Dictionary* pDRDict = pAcroFormDict->GetDictFor("DR")) {
+      if (CPDF_Dictionary* pDRFontDict = pDRDict->GetDictFor("Font"))
+        pFontDict = pDRFontDict->GetDictFor(sAlias);
     }
   }
 
diff --git a/fpdfsdk/fpdf_ext.cpp b/fpdfsdk/fpdf_ext.cpp
index 46bc7e5..cfa76b5 100644
--- a/fpdfsdk/fpdf_ext.cpp
+++ b/fpdfsdk/fpdf_ext.cpp
@@ -53,7 +53,7 @@
     const CPDF_Dictionary* pAnnotDict = pPDFAnnot->GetAnnotDict();
     CFX_ByteString cbString;
     if (pAnnotDict->KeyExist("IT"))
-      cbString = pAnnotDict->GetStringBy("IT");
+      cbString = pAnnotDict->GetStringFor("IT");
     if (cbString.Compare("Img") != 0)
       FPDF_UnSupportError(FPDF_UNSP_ANNOT_SCREEN_MEDIA);
   } else if (nAnnotSubtype == CPDF_Annot::Subtype::MOVIE) {
@@ -68,7 +68,7 @@
     const CPDF_Dictionary* pAnnotDict = pPDFAnnot->GetAnnotDict();
     CFX_ByteString cbString;
     if (pAnnotDict->KeyExist("FT"))
-      cbString = pAnnotDict->GetStringBy("FT");
+      cbString = pAnnotDict->GetStringFor("FT");
     if (cbString.Compare("Sig") == 0)
       FPDF_UnSupportError(FPDF_UNSP_ANNOT_SIG);
   }
@@ -133,14 +133,14 @@
       return;
     }
     if (pRootDict->KeyExist("Names")) {
-      CPDF_Dictionary* pNameDict = pRootDict->GetDictBy("Names");
+      CPDF_Dictionary* pNameDict = pRootDict->GetDictFor("Names");
       if (pNameDict && pNameDict->KeyExist("EmbeddedFiles")) {
         FPDF_UnSupportError(FPDF_UNSP_DOC_ATTACHMENT);
         return;
       }
       if (pNameDict && pNameDict->KeyExist("JavaScript")) {
-        CPDF_Dictionary* pJSDict = pNameDict->GetDictBy("JavaScript");
-        CPDF_Array* pArray = pJSDict ? pJSDict->GetArrayBy("Names") : nullptr;
+        CPDF_Dictionary* pJSDict = pNameDict->GetDictFor("JavaScript");
+        CPDF_Array* pArray = pJSDict ? pJSDict->GetArrayFor("Names") : nullptr;
         if (pArray) {
           for (size_t i = 0; i < pArray->GetCount(); i++) {
             CFX_ByteString cbStr = pArray->GetStringAt(i);
@@ -177,7 +177,7 @@
   if (!pRoot)
     return PAGEMODE_UNKNOWN;
 
-  CPDF_Object* pName = pRoot->GetObjectBy("PageMode");
+  CPDF_Object* pName = pRoot->GetObjectFor("PageMode");
   if (!pName)
     return PAGEMODE_USENONE;
 
diff --git a/fpdfsdk/fpdf_flatten.cpp b/fpdfsdk/fpdf_flatten.cpp
index 5b97341..de6baf1 100644
--- a/fpdfsdk/fpdf_flatten.cpp
+++ b/fpdfsdk/fpdf_flatten.cpp
@@ -55,7 +55,7 @@
     rc.right = pPageObject->m_Right;
     rc.bottom = pPageObject->m_Bottom;
     rc.top = pPageObject->m_Top;
-    if (IsValiableRect(rc, pDict->GetRectBy("MediaBox")))
+    if (IsValiableRect(rc, pDict->GetRectFor("MediaBox")))
       pRectArray->Add(rc);
   }
 }
@@ -68,11 +68,11 @@
     return;
   CFX_FloatRect rect;
   if (pStream->KeyExist("Rect"))
-    rect = pStream->GetRectBy("Rect");
+    rect = pStream->GetRectFor("Rect");
   else if (pStream->KeyExist("BBox"))
-    rect = pStream->GetRectBy("BBox");
+    rect = pStream->GetRectFor("BBox");
 
-  if (IsValiableRect(rect, pPageDic->GetRectBy("MediaBox")))
+  if (IsValiableRect(rect, pPageDic->GetRectFor("MediaBox")))
     pRectArray->Add(rect);
 
   pObjectArray->Add(pStream);
@@ -87,7 +87,7 @@
     return FLATTEN_FAIL;
 
   GetContentsRect(pSourceDoc, pPageDic, pRectArray);
-  CPDF_Array* pAnnots = pPageDic->GetArrayBy("Annots");
+  CPDF_Array* pAnnots = pPageDic->GetArrayFor("Annots");
   if (!pAnnots)
     return FLATTEN_NOTHINGTODO;
 
@@ -97,11 +97,11 @@
     if (!pAnnotDic)
       continue;
 
-    CFX_ByteString sSubtype = pAnnotDic->GetStringBy("Subtype");
+    CFX_ByteString sSubtype = pAnnotDic->GetStringFor("Subtype");
     if (sSubtype == "Popup")
       continue;
 
-    int nAnnotFlag = pAnnotDic->GetIntegerBy("F");
+    int nAnnotFlag = pAnnotDic->GetIntegerFor("F");
     if (nAnnotFlag & ANNOTFLAG_HIDDEN)
       continue;
 
@@ -185,9 +185,9 @@
 void SetPageContents(CFX_ByteString key,
                      CPDF_Dictionary* pPage,
                      CPDF_Document* pDocument) {
-  CPDF_Object* pContentsObj = pPage->GetStreamBy("Contents");
+  CPDF_Object* pContentsObj = pPage->GetStreamFor("Contents");
   if (!pContentsObj) {
-    pContentsObj = pPage->GetArrayBy("Contents");
+    pContentsObj = pPage->GetArrayFor("Contents");
   }
 
   if (!pContentsObj) {
@@ -195,8 +195,8 @@
     if (!key.IsEmpty()) {
       CPDF_Stream* pNewContents =
           new CPDF_Stream(nullptr, 0, new CPDF_Dictionary);
-      pPage->SetAtReference("Contents", pDocument,
-                            pDocument->AddIndirectObject(pNewContents));
+      pPage->SetReferenceFor("Contents", pDocument,
+                             pDocument->AddIndirectObject(pNewContents));
 
       CFX_ByteString sStream;
       sStream.Format("q 1 0 0 1 0 0 cm /%s Do Q", key.c_str());
@@ -236,7 +236,7 @@
     return;
 
   uint32_t dwObjNum = pDocument->AddIndirectObject(pContentsArray);
-  pPage->SetAtReference("Contents", pDocument, dwObjNum);
+  pPage->SetReferenceFor("Contents", pDocument, dwObjNum);
 
   if (!key.IsEmpty()) {
     CPDF_Stream* pNewContents =
@@ -330,10 +330,10 @@
 
   CFX_FloatRect rcOriginalCB;
   CFX_FloatRect rcMerger = CalculateRect(&RectArray);
-  CFX_FloatRect rcOriginalMB = pPageDict->GetRectBy("MediaBox");
+  CFX_FloatRect rcOriginalMB = pPageDict->GetRectFor("MediaBox");
 
   if (pPageDict->KeyExist("CropBox"))
-    rcOriginalMB = pPageDict->GetRectBy("CropBox");
+    rcOriginalMB = pPageDict->GetRectFor("CropBox");
 
   if (rcOriginalMB.IsEmpty()) {
     rcOriginalMB = CFX_FloatRect(0.0f, 0.0f, 612.0f, 792.0f);
@@ -349,7 +349,7 @@
                                                           : rcMerger.bottom;
 
   if (pPageDict->KeyExist("ArtBox"))
-    rcOriginalCB = pPageDict->GetRectBy("ArtBox");
+    rcOriginalCB = pPageDict->GetRectFor("ArtBox");
   else
     rcOriginalCB = rcOriginalMB;
 
@@ -359,7 +359,7 @@
     pMediaBox->Add(new CPDF_Number(rcOriginalMB.bottom));
     pMediaBox->Add(new CPDF_Number(rcOriginalMB.right));
     pMediaBox->Add(new CPDF_Number(rcOriginalMB.top));
-    pPageDict->SetAt("MediaBox", pMediaBox);
+    pPageDict->SetFor("MediaBox", pMediaBox);
   }
 
   if (!rcOriginalCB.IsEmpty()) {
@@ -368,21 +368,21 @@
     pCropBox->Add(new CPDF_Number(rcOriginalCB.bottom));
     pCropBox->Add(new CPDF_Number(rcOriginalCB.right));
     pCropBox->Add(new CPDF_Number(rcOriginalCB.top));
-    pPageDict->SetAt("ArtBox", pCropBox);
+    pPageDict->SetFor("ArtBox", pCropBox);
   }
 
-  CPDF_Dictionary* pRes = pPageDict->GetDictBy("Resources");
+  CPDF_Dictionary* pRes = pPageDict->GetDictFor("Resources");
   if (!pRes) {
     pRes = new CPDF_Dictionary;
-    pPageDict->SetAt("Resources", pRes);
+    pPageDict->SetFor("Resources", pRes);
   }
 
   CPDF_Stream* pNewXObject = new CPDF_Stream(nullptr, 0, new CPDF_Dictionary);
   uint32_t dwObjNum = pDocument->AddIndirectObject(pNewXObject);
-  CPDF_Dictionary* pPageXObject = pRes->GetDictBy("XObject");
+  CPDF_Dictionary* pPageXObject = pRes->GetDictFor("XObject");
   if (!pPageXObject) {
     pPageXObject = new CPDF_Dictionary;
-    pRes->SetAt("XObject", pPageXObject);
+    pRes->SetFor("XObject", pPageXObject);
   }
 
   CFX_ByteString key = "";
@@ -403,16 +403,16 @@
   CPDF_Dictionary* pNewXORes = nullptr;
 
   if (!key.IsEmpty()) {
-    pPageXObject->SetAtReference(key, pDocument, dwObjNum);
+    pPageXObject->SetReferenceFor(key, pDocument, dwObjNum);
     CPDF_Dictionary* pNewOXbjectDic = pNewXObject->GetDict();
     pNewXORes = new CPDF_Dictionary;
-    pNewOXbjectDic->SetAt("Resources", pNewXORes);
-    pNewOXbjectDic->SetAtName("Type", "XObject");
-    pNewOXbjectDic->SetAtName("Subtype", "Form");
-    pNewOXbjectDic->SetAtInteger("FormType", 1);
-    pNewOXbjectDic->SetAtName("Name", "FRM");
-    CFX_FloatRect rcBBox = pPageDict->GetRectBy("ArtBox");
-    pNewOXbjectDic->SetAtRect("BBox", rcBBox);
+    pNewOXbjectDic->SetFor("Resources", pNewXORes);
+    pNewOXbjectDic->SetNameFor("Type", "XObject");
+    pNewOXbjectDic->SetNameFor("Subtype", "Form");
+    pNewOXbjectDic->SetIntegerFor("FormType", 1);
+    pNewOXbjectDic->SetNameFor("Name", "FRM");
+    CFX_FloatRect rcBBox = pPageDict->GetRectFor("ArtBox");
+    pNewOXbjectDic->SetRectFor("BBox", rcBBox);
   }
 
   for (int i = 0; i < nStreams; i++) {
@@ -420,22 +420,22 @@
     if (!pAnnotDic)
       continue;
 
-    CFX_FloatRect rcAnnot = pAnnotDic->GetRectBy("Rect");
+    CFX_FloatRect rcAnnot = pAnnotDic->GetRectFor("Rect");
     rcAnnot.Normalize();
 
-    CFX_ByteString sAnnotState = pAnnotDic->GetStringBy("AS");
-    CPDF_Dictionary* pAnnotAP = pAnnotDic->GetDictBy("AP");
+    CFX_ByteString sAnnotState = pAnnotDic->GetStringFor("AS");
+    CPDF_Dictionary* pAnnotAP = pAnnotDic->GetDictFor("AP");
     if (!pAnnotAP)
       continue;
 
-    CPDF_Stream* pAPStream = pAnnotAP->GetStreamBy("N");
+    CPDF_Stream* pAPStream = pAnnotAP->GetStreamFor("N");
     if (!pAPStream) {
-      CPDF_Dictionary* pAPDic = pAnnotAP->GetDictBy("N");
+      CPDF_Dictionary* pAPDic = pAnnotAP->GetDictFor("N");
       if (!pAPDic)
         continue;
 
       if (!sAnnotState.IsEmpty()) {
-        pAPStream = pAPDic->GetStreamBy(sAnnotState);
+        pAPStream = pAPDic->GetStreamFor(sAnnotState);
       } else {
         auto it = pAPDic->begin();
         if (it != pAPDic->end()) {
@@ -454,13 +454,13 @@
       continue;
 
     CPDF_Dictionary* pAPDic = pAPStream->GetDict();
-    CFX_Matrix matrix = pAPDic->GetMatrixBy("Matrix");
+    CFX_Matrix matrix = pAPDic->GetMatrixFor("Matrix");
 
     CFX_FloatRect rcStream;
     if (pAPDic->KeyExist("Rect"))
-      rcStream = pAPDic->GetRectBy("Rect");
+      rcStream = pAPDic->GetRectFor("Rect");
     else if (pAPDic->KeyExist("BBox"))
-      rcStream = pAPDic->GetRectBy("BBox");
+      rcStream = pAPDic->GetRectFor("BBox");
 
     if (rcStream.IsEmpty())
       continue;
@@ -470,21 +470,21 @@
     if (pObj) {
       CPDF_Dictionary* pObjDic = pObj->GetDict();
       if (pObjDic) {
-        pObjDic->SetAtName("Type", "XObject");
-        pObjDic->SetAtName("Subtype", "Form");
+        pObjDic->SetNameFor("Type", "XObject");
+        pObjDic->SetNameFor("Subtype", "Form");
       }
     }
 
-    CPDF_Dictionary* pXObject = pNewXORes->GetDictBy("XObject");
+    CPDF_Dictionary* pXObject = pNewXORes->GetDictFor("XObject");
     if (!pXObject) {
       pXObject = new CPDF_Dictionary;
-      pNewXORes->SetAt("XObject", pXObject);
+      pNewXORes->SetFor("XObject", pXObject);
     }
 
     CFX_ByteString sFormName;
     sFormName.Format("F%d", i);
     uint32_t dwStreamObjNum = pDocument->AddIndirectObject(pObj);
-    pXObject->SetAtReference(sFormName, pDocument, dwStreamObjNum);
+    pXObject->SetReferenceFor(sFormName, pDocument, dwStreamObjNum);
 
     CPDF_StreamAcc acc;
     acc.LoadAllData(pNewXObject);
@@ -508,7 +508,7 @@
     sStream += sTemp;
     pNewXObject->SetData(sStream.raw_str(), sStream.GetLength(), FALSE, FALSE);
   }
-  pPageDict->RemoveAt("Annots");
+  pPageDict->RemoveFor("Annots");
 
   ObjectArray.RemoveAll();
   RectArray.RemoveAll();
diff --git a/fpdfsdk/fpdf_transformpage.cpp b/fpdfsdk/fpdf_transformpage.cpp
index c77ece7..7b2bf73 100644
--- a/fpdfsdk/fpdf_transformpage.cpp
+++ b/fpdfsdk/fpdf_transformpage.cpp
@@ -31,7 +31,7 @@
   pBoundingBoxArray->Add(new CPDF_Number(bottom));
   pBoundingBoxArray->Add(new CPDF_Number(right));
   pBoundingBoxArray->Add(new CPDF_Number(top));
-  page->m_pFormDict->SetAt(key, pBoundingBoxArray);
+  page->m_pFormDict->SetFor(key, pBoundingBoxArray);
 }
 
 bool GetBoundingBox(CPDF_Page* page,
@@ -40,7 +40,7 @@
                     float* bottom,
                     float* right,
                     float* top) {
-  CPDF_Array* pArray = page->m_pFormDict->GetArrayBy(key);
+  CPDF_Array* pArray = page->m_pFormDict->GetArrayFor(key);
   if (!pArray)
     return false;
 
@@ -119,9 +119,9 @@
 
   CPDF_Dictionary* pPageDic = pPage->m_pFormDict;
   CPDF_Object* pContentObj =
-      pPageDic ? pPageDic->GetObjectBy("Contents") : nullptr;
+      pPageDic ? pPageDic->GetObjectFor("Contents") : nullptr;
   if (!pContentObj)
-    pContentObj = pPageDic ? pPageDic->GetArrayBy("Contents") : nullptr;
+    pContentObj = pPageDic ? pPageDic->GetArrayFor("Contents") : nullptr;
   if (!pContentObj)
     return FALSE;
 
@@ -159,16 +159,16 @@
         pContentArray->AddReference(pDoc, pStream->GetObjNum());
         pContentArray->AddReference(pDoc, pDirectObj->GetObjNum());
         pContentArray->AddReference(pDoc, pEndStream);
-        pPageDic->SetAtReference("Contents", pDoc,
-                                 pDoc->AddIndirectObject(pContentArray));
+        pPageDic->SetReferenceFor("Contents", pDoc,
+                                  pDoc->AddIndirectObject(pContentArray));
       }
     }
   }
 
   // Need to transform the patterns as well.
-  CPDF_Dictionary* pRes = pPageDic->GetDictBy("Resources");
+  CPDF_Dictionary* pRes = pPageDic->GetDictFor("Resources");
   if (pRes) {
-    CPDF_Dictionary* pPattenDict = pRes->GetDictBy("Pattern");
+    CPDF_Dictionary* pPattenDict = pRes->GetDictFor("Pattern");
     if (pPattenDict) {
       for (const auto& it : *pPattenDict) {
         CPDF_Object* pObj = it.second;
@@ -183,10 +183,10 @@
         else
           continue;
 
-        CFX_Matrix m = pDict->GetMatrixBy("Matrix");
+        CFX_Matrix m = pDict->GetMatrixFor("Matrix");
         CFX_Matrix t = *(CFX_Matrix*)matrix;
         m.Concat(t);
-        pDict->SetAtMatrix("Matrix", m);
+        pDict->SetMatrixFor("Matrix", m);
       }
     }
   }
@@ -277,9 +277,9 @@
 
   CPDF_Dictionary* pPageDic = pPage->m_pFormDict;
   CPDF_Object* pContentObj =
-      pPageDic ? pPageDic->GetObjectBy("Contents") : nullptr;
+      pPageDic ? pPageDic->GetObjectFor("Contents") : nullptr;
   if (!pContentObj)
-    pContentObj = pPageDic ? pPageDic->GetArrayBy("Contents") : nullptr;
+    pContentObj = pPageDic ? pPageDic->GetArrayFor("Contents") : nullptr;
   if (!pContentObj)
     return;
 
@@ -326,8 +326,8 @@
         pContentArray = new CPDF_Array();
         pContentArray->AddReference(pDoc, pStream->GetObjNum());
         pContentArray->AddReference(pDoc, pDirectObj->GetObjNum());
-        pPageDic->SetAtReference("Contents", pDoc,
-                                 pDoc->AddIndirectObject(pContentArray));
+        pPageDic->SetReferenceFor("Contents", pDoc,
+                                  pDoc->AddIndirectObject(pContentArray));
       }
     }
   }
diff --git a/fpdfsdk/fpdfdoc.cpp b/fpdfsdk/fpdfdoc.cpp
index de80c4c..f22f737 100644
--- a/fpdfsdk/fpdfdoc.cpp
+++ b/fpdfsdk/fpdfdoc.cpp
@@ -276,7 +276,7 @@
   CPDF_Page* pPage = CPDFPageFromFPDFPage(page);
   if (!pPage || !pPage->m_pFormDict)
     return FALSE;
-  CPDF_Array* pAnnots = pPage->m_pFormDict->GetArrayBy("Annots");
+  CPDF_Array* pAnnots = pPage->m_pFormDict->GetArrayFor("Annots");
   if (!pAnnots)
     return FALSE;
   for (size_t i = *startPos; i < pAnnots->GetCount(); i++) {
@@ -284,7 +284,7 @@
         ToDictionary(static_cast<CPDF_Object*>(pAnnots->GetDirectObjectAt(i)));
     if (!pDict)
       continue;
-    if (pDict->GetStringBy("Subtype") == "Link") {
+    if (pDict->GetStringFor("Subtype") == "Link") {
       *startPos = static_cast<int>(i + 1);
       *linkAnnot = static_cast<FPDF_LINK>(pDict);
       return TRUE;
@@ -299,7 +299,7 @@
     return FALSE;
   CPDF_Dictionary* pAnnotDict =
       ToDictionary(static_cast<CPDF_Object*>(linkAnnot));
-  CFX_FloatRect rt = pAnnotDict->GetRectBy("Rect");
+  CFX_FloatRect rt = pAnnotDict->GetRectFor("Rect");
   rect->left = rt.left;
   rect->bottom = rt.bottom;
   rect->right = rt.right;
@@ -312,7 +312,7 @@
     return 0;
   CPDF_Dictionary* pAnnotDict =
       ToDictionary(static_cast<CPDF_Object*>(linkAnnot));
-  CPDF_Array* pArray = pAnnotDict->GetArrayBy("QuadPoints");
+  CPDF_Array* pArray = pAnnotDict->GetArrayFor("QuadPoints");
   if (!pArray)
     return 0;
   return static_cast<int>(pArray->GetCount() / 8);
@@ -325,7 +325,7 @@
     return FALSE;
   CPDF_Dictionary* pAnnotDict =
       ToDictionary(static_cast<CPDF_Object*>(linkAnnot));
-  CPDF_Array* pArray = pAnnotDict->GetArrayBy("QuadPoints");
+  CPDF_Array* pArray = pAnnotDict->GetArrayFor("QuadPoints");
   if (pArray) {
     if (quadIndex < 0 ||
         static_cast<size_t>(quadIndex) >= pArray->GetCount() / 8 ||
@@ -356,7 +356,7 @@
   CPDF_Dictionary* pInfo = pDoc->GetInfo();
   if (!pInfo)
     return 0;
-  CFX_WideString text = pInfo->GetUnicodeTextBy(tag);
+  CFX_WideString text = pInfo->GetUnicodeTextFor(tag);
   // Use UTF-16LE encoding
   CFX_ByteString encodedText = text.UTF16LE_Encode();
   unsigned long len = encodedText.GetLength();
diff --git a/fpdfsdk/fpdfdoc_unittest.cpp b/fpdfsdk/fpdfdoc_unittest.cpp
index a555e96..5bda8da 100644
--- a/fpdfsdk/fpdfdoc_unittest.cpp
+++ b/fpdfsdk/fpdfdoc_unittest.cpp
@@ -104,7 +104,7 @@
   }
   {
     // Empty bookmark tree.
-    m_pRootObj->SetAt("Outlines", new CPDF_Dictionary());
+    m_pRootObj->SetFor("Outlines", new CPDF_Dictionary());
     std::unique_ptr<unsigned short, pdfium::FreeDeleter> title =
         GetFPDFWideString(L"");
     EXPECT_EQ(nullptr, FPDFBookmark_Find(m_pDoc.get(), title.get()));
@@ -116,27 +116,27 @@
     // Check on a regular bookmark tree.
     auto bookmarks = CreateDictObjs(3);
 
-    bookmarks[1].obj->SetAt("Title", new CPDF_String(L"Chapter 1"));
-    bookmarks[1].obj->SetAt(
+    bookmarks[1].obj->SetFor("Title", new CPDF_String(L"Chapter 1"));
+    bookmarks[1].obj->SetFor(
         "Parent", new CPDF_Reference(m_pIndirectObjs, bookmarks[0].num));
-    bookmarks[1].obj->SetAt(
+    bookmarks[1].obj->SetFor(
         "Next", new CPDF_Reference(m_pIndirectObjs, bookmarks[2].num));
 
-    bookmarks[2].obj->SetAt("Title", new CPDF_String(L"Chapter 2"));
-    bookmarks[2].obj->SetAt(
+    bookmarks[2].obj->SetFor("Title", new CPDF_String(L"Chapter 2"));
+    bookmarks[2].obj->SetFor(
         "Parent", new CPDF_Reference(m_pIndirectObjs, bookmarks[0].num));
-    bookmarks[2].obj->SetAt(
+    bookmarks[2].obj->SetFor(
         "Prev", new CPDF_Reference(m_pIndirectObjs, bookmarks[1].num));
 
-    bookmarks[0].obj->SetAt("Type", new CPDF_Name("Outlines"));
-    bookmarks[0].obj->SetAt("Count", new CPDF_Number(2));
-    bookmarks[0].obj->SetAt(
+    bookmarks[0].obj->SetFor("Type", new CPDF_Name("Outlines"));
+    bookmarks[0].obj->SetFor("Count", new CPDF_Number(2));
+    bookmarks[0].obj->SetFor(
         "First", new CPDF_Reference(m_pIndirectObjs, bookmarks[1].num));
-    bookmarks[0].obj->SetAt(
+    bookmarks[0].obj->SetFor(
         "Last", new CPDF_Reference(m_pIndirectObjs, bookmarks[2].num));
 
-    m_pRootObj->SetAt("Outlines",
-                      new CPDF_Reference(m_pIndirectObjs, bookmarks[0].num));
+    m_pRootObj->SetFor("Outlines",
+                       new CPDF_Reference(m_pIndirectObjs, bookmarks[0].num));
 
     // Title with no match.
     std::unique_ptr<unsigned short, pdfium::FreeDeleter> title =
@@ -159,27 +159,27 @@
     // Circular bookmarks in depth.
     auto bookmarks = CreateDictObjs(3);
 
-    bookmarks[1].obj->SetAt("Title", new CPDF_String(L"Chapter 1"));
-    bookmarks[1].obj->SetAt(
+    bookmarks[1].obj->SetFor("Title", new CPDF_String(L"Chapter 1"));
+    bookmarks[1].obj->SetFor(
         "Parent", new CPDF_Reference(m_pIndirectObjs, bookmarks[0].num));
-    bookmarks[1].obj->SetAt(
+    bookmarks[1].obj->SetFor(
         "First", new CPDF_Reference(m_pIndirectObjs, bookmarks[2].num));
 
-    bookmarks[2].obj->SetAt("Title", new CPDF_String(L"Chapter 2"));
-    bookmarks[2].obj->SetAt(
+    bookmarks[2].obj->SetFor("Title", new CPDF_String(L"Chapter 2"));
+    bookmarks[2].obj->SetFor(
         "Parent", new CPDF_Reference(m_pIndirectObjs, bookmarks[1].num));
-    bookmarks[2].obj->SetAt(
+    bookmarks[2].obj->SetFor(
         "First", new CPDF_Reference(m_pIndirectObjs, bookmarks[1].num));
 
-    bookmarks[0].obj->SetAt("Type", new CPDF_Name("Outlines"));
-    bookmarks[0].obj->SetAt("Count", new CPDF_Number(2));
-    bookmarks[0].obj->SetAt(
+    bookmarks[0].obj->SetFor("Type", new CPDF_Name("Outlines"));
+    bookmarks[0].obj->SetFor("Count", new CPDF_Number(2));
+    bookmarks[0].obj->SetFor(
         "First", new CPDF_Reference(m_pIndirectObjs, bookmarks[1].num));
-    bookmarks[0].obj->SetAt(
+    bookmarks[0].obj->SetFor(
         "Last", new CPDF_Reference(m_pIndirectObjs, bookmarks[2].num));
 
-    m_pRootObj->SetAt("Outlines",
-                      new CPDF_Reference(m_pIndirectObjs, bookmarks[0].num));
+    m_pRootObj->SetFor("Outlines",
+                       new CPDF_Reference(m_pIndirectObjs, bookmarks[0].num));
 
     // Title with no match.
     std::unique_ptr<unsigned short, pdfium::FreeDeleter> title =
@@ -194,33 +194,33 @@
     // Circular bookmarks in breadth.
     auto bookmarks = CreateDictObjs(4);
 
-    bookmarks[1].obj->SetAt("Title", new CPDF_String(L"Chapter 1"));
-    bookmarks[1].obj->SetAt(
+    bookmarks[1].obj->SetFor("Title", new CPDF_String(L"Chapter 1"));
+    bookmarks[1].obj->SetFor(
         "Parent", new CPDF_Reference(m_pIndirectObjs, bookmarks[0].num));
-    bookmarks[1].obj->SetAt(
+    bookmarks[1].obj->SetFor(
         "Next", new CPDF_Reference(m_pIndirectObjs, bookmarks[2].num));
 
-    bookmarks[2].obj->SetAt("Title", new CPDF_String(L"Chapter 2"));
-    bookmarks[2].obj->SetAt(
+    bookmarks[2].obj->SetFor("Title", new CPDF_String(L"Chapter 2"));
+    bookmarks[2].obj->SetFor(
         "Parent", new CPDF_Reference(m_pIndirectObjs, bookmarks[0].num));
-    bookmarks[2].obj->SetAt(
+    bookmarks[2].obj->SetFor(
         "Next", new CPDF_Reference(m_pIndirectObjs, bookmarks[3].num));
 
-    bookmarks[3].obj->SetAt("Title", new CPDF_String(L"Chapter 3"));
-    bookmarks[3].obj->SetAt(
+    bookmarks[3].obj->SetFor("Title", new CPDF_String(L"Chapter 3"));
+    bookmarks[3].obj->SetFor(
         "Parent", new CPDF_Reference(m_pIndirectObjs, bookmarks[0].num));
-    bookmarks[3].obj->SetAt(
+    bookmarks[3].obj->SetFor(
         "Next", new CPDF_Reference(m_pIndirectObjs, bookmarks[1].num));
 
-    bookmarks[0].obj->SetAt("Type", new CPDF_Name("Outlines"));
-    bookmarks[0].obj->SetAt("Count", new CPDF_Number(2));
-    bookmarks[0].obj->SetAt(
+    bookmarks[0].obj->SetFor("Type", new CPDF_Name("Outlines"));
+    bookmarks[0].obj->SetFor("Count", new CPDF_Number(2));
+    bookmarks[0].obj->SetFor(
         "First", new CPDF_Reference(m_pIndirectObjs, bookmarks[1].num));
-    bookmarks[0].obj->SetAt(
+    bookmarks[0].obj->SetFor(
         "Last", new CPDF_Reference(m_pIndirectObjs, bookmarks[2].num));
 
-    m_pRootObj->SetAt("Outlines",
-                      new CPDF_Reference(m_pIndirectObjs, bookmarks[0].num));
+    m_pRootObj->SetFor("Outlines",
+                       new CPDF_Reference(m_pIndirectObjs, bookmarks[0].num));
 
     // Title with no match.
     std::unique_ptr<unsigned short, pdfium::FreeDeleter> title =
diff --git a/fpdfsdk/fpdfeditpage.cpp b/fpdfsdk/fpdfeditpage.cpp
index 0b677be..e3777d4 100644
--- a/fpdfsdk/fpdfeditpage.cpp
+++ b/fpdfsdk/fpdfeditpage.cpp
@@ -57,7 +57,7 @@
   if (!pPage || !pPage->m_pFormDict || !pPage->m_pFormDict->KeyExist("Type"))
     return false;
 
-  CPDF_Object* pObject = pPage->m_pFormDict->GetObjectBy("Type")->GetDirect();
+  CPDF_Object* pObject = pPage->m_pFormDict->GetObjectFor("Type")->GetDirect();
   return pObject && !pObject->GetString().Compare("Page");
 }
 
@@ -85,8 +85,8 @@
   pInfoDict = pDoc->GetInfo();
   if (pInfoDict) {
     if (FSDK_IsSandBoxPolicyEnabled(FPDF_POLICY_MACHINETIME_ACCESS))
-      pInfoDict->SetAt("CreationDate", new CPDF_String(DateStr, FALSE));
-    pInfoDict->SetAt("Creator", new CPDF_String(L"PDFium"));
+      pInfoDict->SetFor("CreationDate", new CPDF_String(DateStr, FALSE));
+    pInfoDict->SetFor("Creator", new CPDF_String(L"PDFium"));
   }
 
   return FPDFDocumentFromCPDFDocument(pDoc);
@@ -116,9 +116,9 @@
   pMediaBoxArray->Add(new CPDF_Number(FX_FLOAT(width)));
   pMediaBoxArray->Add(new CPDF_Number(FX_FLOAT(height)));
 
-  pPageDict->SetAt("MediaBox", pMediaBoxArray);
-  pPageDict->SetAt("Rotate", new CPDF_Number(0));
-  pPageDict->SetAt("Resources", new CPDF_Dictionary);
+  pPageDict->SetFor("MediaBox", pMediaBoxArray);
+  pPageDict->SetFor("Rotate", new CPDF_Number(0));
+  pPageDict->SetFor("Resources", new CPDF_Dictionary);
 
 #ifdef PDF_ENABLE_XFA
   CPDFXFA_Page* pPage =
@@ -140,13 +140,13 @@
   CPDF_Dictionary* pDict = pPage->m_pFormDict;
   while (pDict) {
     if (pDict->KeyExist("Rotate")) {
-      CPDF_Object* pRotateObj = pDict->GetObjectBy("Rotate")->GetDirect();
+      CPDF_Object* pRotateObj = pDict->GetObjectFor("Rotate")->GetDirect();
       return pRotateObj ? pRotateObj->GetInteger() / 90 : 0;
     }
     if (!pDict->KeyExist("Parent"))
       break;
 
-    pDict = ToDictionary(pDict->GetObjectBy("Parent")->GetDirect());
+    pDict = ToDictionary(pDict->GetObjectFor("Parent")->GetDirect());
   }
 
   return 0;
@@ -294,14 +294,14 @@
     CFX_Matrix matrix((FX_FLOAT)a, (FX_FLOAT)b, (FX_FLOAT)c, (FX_FLOAT)d,
                       (FX_FLOAT)e, (FX_FLOAT)f);
     rect.Transform(&matrix);
-    CPDF_Array* pRectArray = pAnnot->GetAnnotDict()->GetArrayBy("Rect");
+    CPDF_Array* pRectArray = pAnnot->GetAnnotDict()->GetArrayFor("Rect");
     if (!pRectArray)
       pRectArray = new CPDF_Array;
     pRectArray->SetAt(0, new CPDF_Number(rect.left));
     pRectArray->SetAt(1, new CPDF_Number(rect.bottom));
     pRectArray->SetAt(2, new CPDF_Number(rect.right));
     pRectArray->SetAt(3, new CPDF_Number(rect.top));
-    pAnnot->GetAnnotDict()->SetAt("Rect", pRectArray);
+    pAnnot->GetAnnotDict()->SetFor("Rect", pRectArray);
 
     // Transform AP's rectangle
     // To Do
@@ -315,5 +315,5 @@
 
   CPDF_Dictionary* pDict = pPage->m_pFormDict;
   rotate %= 4;
-  pDict->SetAt("Rotate", new CPDF_Number(rotate * 90));
+  pDict->SetFor("Rotate", new CPDF_Number(rotate * 90));
 }
diff --git a/fpdfsdk/fpdfformfill.cpp b/fpdfsdk/fpdfformfill.cpp
index bf44b5e..7e4ce36 100644
--- a/fpdfsdk/fpdfformfill.cpp
+++ b/fpdfsdk/fpdfformfill.cpp
@@ -685,7 +685,7 @@
   if (!pDic)
     return;
 
-  CPDF_AAction aa(pDic->GetDictBy("AA"));
+  CPDF_AAction aa(pDic->GetDictFor("AA"));
   if (aa.ActionExist((CPDF_AAction::AActionType)aaType)) {
     CPDF_Action action = aa.GetAction((CPDF_AAction::AActionType)aaType);
     CPDFSDK_ActionHandler* pActionHandler =
@@ -716,7 +716,7 @@
   CPDFSDK_Environment* pEnv = pSDKDoc->GetEnv();
   CPDFSDK_ActionHandler* pActionHandler = pEnv->GetActionHander();
   CPDF_Dictionary* pPageDict = pPDFPage->m_pFormDict;
-  CPDF_AAction aa(pPageDict->GetDictBy("AA"));
+  CPDF_AAction aa(pPageDict->GetDictFor("AA"));
   if (FPDFPAGE_AACTION_OPEN == aaType) {
     if (aa.ActionExist(CPDF_AAction::OpenPage)) {
       CPDF_Action action = aa.GetAction(CPDF_AAction::OpenPage);
diff --git a/fpdfsdk/fpdfppo.cpp b/fpdfsdk/fpdfppo.cpp
index 3432fb6..8ed8384 100644
--- a/fpdfsdk/fpdfppo.cpp
+++ b/fpdfsdk/fpdfppo.cpp
@@ -60,33 +60,33 @@
 
   CFX_ByteString producerstr;
   producerstr.Format("PDFium");
-  DInfoDict->SetAt("Producer", new CPDF_String(producerstr, FALSE));
+  DInfoDict->SetFor("Producer", new CPDF_String(producerstr, FALSE));
 
-  CFX_ByteString cbRootType = pNewRoot->GetStringBy("Type", "");
+  CFX_ByteString cbRootType = pNewRoot->GetStringFor("Type", "");
   if (cbRootType.IsEmpty())
-    pNewRoot->SetAt("Type", new CPDF_Name("Catalog"));
+    pNewRoot->SetFor("Type", new CPDF_Name("Catalog"));
 
-  CPDF_Object* pElement = pNewRoot->GetObjectBy("Pages");
+  CPDF_Object* pElement = pNewRoot->GetObjectFor("Pages");
   CPDF_Dictionary* pNewPages =
       pElement ? ToDictionary(pElement->GetDirect()) : nullptr;
   if (!pNewPages) {
     pNewPages = new CPDF_Dictionary;
     uint32_t NewPagesON = pDestPDFDoc->AddIndirectObject(pNewPages);
-    pNewRoot->SetAt("Pages", new CPDF_Reference(pDestPDFDoc, NewPagesON));
+    pNewRoot->SetFor("Pages", new CPDF_Reference(pDestPDFDoc, NewPagesON));
   }
 
-  CFX_ByteString cbPageType = pNewPages->GetStringBy("Type", "");
+  CFX_ByteString cbPageType = pNewPages->GetStringFor("Type", "");
   if (cbPageType == "") {
-    pNewPages->SetAt("Type", new CPDF_Name("Pages"));
+    pNewPages->SetFor("Type", new CPDF_Name("Pages"));
   }
 
-  CPDF_Array* pKeysArray = pNewPages->GetArrayBy("Kids");
+  CPDF_Array* pKeysArray = pNewPages->GetArrayFor("Kids");
   if (!pKeysArray) {
     CPDF_Array* pNewKids = new CPDF_Array;
     uint32_t Kidsobjnum = pDestPDFDoc->AddIndirectObject(pNewKids);
 
-    pNewPages->SetAt("Kids", new CPDF_Reference(pDestPDFDoc, Kidsobjnum));
-    pNewPages->SetAt("Count", new CPDF_Number(0));
+    pNewPages->SetFor("Kids", new CPDF_Reference(pDestPDFDoc, Kidsobjnum));
+    pNewPages->SetFor("Count", new CPDF_Number(0));
   }
 
   return TRUE;
@@ -111,8 +111,8 @@
       CPDF_Object* pObj = it.second;
       if (cbSrcKeyStr.Compare(("Type")) && cbSrcKeyStr.Compare(("Parent"))) {
         if (pCurPageDict->KeyExist(cbSrcKeyStr))
-          pCurPageDict->RemoveAt(cbSrcKeyStr);
-        pCurPageDict->SetAt(cbSrcKeyStr, pObj->Clone());
+          pCurPageDict->RemoveFor(cbSrcKeyStr);
+        pCurPageDict->SetFor(cbSrcKeyStr, pObj->Clone());
       }
     }
 
@@ -126,7 +126,7 @@
         // if not exists,we take the letter size.
         pInheritable = PageDictGetInheritableTag(pSrcPageDict, "CropBox");
         if (pInheritable) {
-          pCurPageDict->SetAt("MediaBox", pInheritable->Clone());
+          pCurPageDict->SetFor("MediaBox", pInheritable->Clone());
         } else {
           // Make the default size to be letter size (8.5'x11')
           CPDF_Array* pArray = new CPDF_Array;
@@ -134,10 +134,10 @@
           pArray->AddNumber(0);
           pArray->AddNumber(612);
           pArray->AddNumber(792);
-          pCurPageDict->SetAt("MediaBox", pArray);
+          pCurPageDict->SetFor("MediaBox", pArray);
         }
       } else {
-        pCurPageDict->SetAt("MediaBox", pInheritable->Clone());
+        pCurPageDict->SetFor("MediaBox", pInheritable->Clone());
       }
     }
     // 2 Resources //required
@@ -145,19 +145,19 @@
       pInheritable = PageDictGetInheritableTag(pSrcPageDict, "Resources");
       if (!pInheritable)
         return FALSE;
-      pCurPageDict->SetAt("Resources", pInheritable->Clone());
+      pCurPageDict->SetFor("Resources", pInheritable->Clone());
     }
     // 3 CropBox  //Optional
     if (!pCurPageDict->KeyExist("CropBox")) {
       pInheritable = PageDictGetInheritableTag(pSrcPageDict, "CropBox");
       if (pInheritable)
-        pCurPageDict->SetAt("CropBox", pInheritable->Clone());
+        pCurPageDict->SetFor("CropBox", pInheritable->Clone());
     }
     // 4 Rotate  //Optional
     if (!pCurPageDict->KeyExist("Rotate")) {
       pInheritable = PageDictGetInheritableTag(pSrcPageDict, "Rotate");
       if (pInheritable)
-        pCurPageDict->SetAt("Rotate", pInheritable->Clone());
+        pCurPageDict->SetFor("Rotate", pInheritable->Clone());
     }
 
     // Update the reference
@@ -181,25 +181,26 @@
   if (!pDict->KeyExist("Parent") || !pDict->KeyExist("Type"))
     return nullptr;
 
-  CPDF_Object* pType = pDict->GetObjectBy("Type")->GetDirect();
+  CPDF_Object* pType = pDict->GetObjectFor("Type")->GetDirect();
   if (!ToName(pType))
     return nullptr;
   if (pType->GetString().Compare("Page"))
     return nullptr;
 
-  CPDF_Dictionary* pp = ToDictionary(pDict->GetObjectBy("Parent")->GetDirect());
+  CPDF_Dictionary* pp =
+      ToDictionary(pDict->GetObjectFor("Parent")->GetDirect());
   if (!pp)
     return nullptr;
 
   if (pDict->KeyExist(bsSrcTag))
-    return pDict->GetObjectBy(bsSrcTag);
+    return pDict->GetObjectFor(bsSrcTag);
 
   while (pp) {
     if (pp->KeyExist(bsSrcTag))
-      return pp->GetObjectBy(bsSrcTag);
+      return pp->GetObjectFor(bsSrcTag);
     if (!pp->KeyExist("Parent"))
       break;
-    pp = ToDictionary(pp->GetObjectBy("Parent")->GetDirect());
+    pp = ToDictionary(pp->GetObjectFor("Parent")->GetDirect());
   }
   return nullptr;
 }
@@ -228,7 +229,7 @@
         if (!pNextObj)
           return FALSE;
         if (!UpdateReference(pNextObj, pDoc, pObjNumberMap))
-          pDict->RemoveAt(key);
+          pDict->RemoveFor(key);
       }
       break;
     }
@@ -285,7 +286,7 @@
 
   if (CPDF_Dictionary* pDictClone = pClone->AsDictionary()) {
     if (pDictClone->KeyExist("Type")) {
-      CFX_ByteString strType = pDictClone->GetStringBy("Type");
+      CFX_ByteString strType = pDictClone->GetStringFor("Type");
       if (!FXSYS_stricmp(strType.c_str(), "Pages")) {
         pDictClone->Release();
         return 4;
@@ -394,7 +395,7 @@
     return FALSE;
 
   CPDF_Dictionary* pSrcDict = pSrcDoc->GetRoot();
-  pSrcDict = pSrcDict->GetDictBy("ViewerPreferences");
+  pSrcDict = pSrcDict->GetDictFor("ViewerPreferences");
   if (!pSrcDict)
     return FALSE;
 
@@ -402,6 +403,6 @@
   if (!pDstDict)
     return FALSE;
 
-  pDstDict->SetAt("ViewerPreferences", pSrcDict->CloneDirectObject());
+  pDstDict->SetFor("ViewerPreferences", pSrcDict->CloneDirectObject());
   return TRUE;
 }
diff --git a/fpdfsdk/fpdfsave.cpp b/fpdfsdk/fpdfsave.cpp
index 81cc913..243ba2a 100644
--- a/fpdfsdk/fpdfsave.cpp
+++ b/fpdfsdk/fpdfsave.cpp
@@ -100,11 +100,11 @@
   if (!pRoot)
     return false;
 
-  CPDF_Dictionary* pAcroForm = pRoot->GetDictBy("AcroForm");
+  CPDF_Dictionary* pAcroForm = pRoot->GetDictFor("AcroForm");
   if (!pAcroForm)
     return false;
 
-  CPDF_Object* pXFA = pAcroForm->GetObjectBy("XFA");
+  CPDF_Object* pXFA = pAcroForm->GetObjectFor("XFA");
   if (!pXFA)
     return true;
 
diff --git a/fpdfsdk/fpdfview.cpp b/fpdfsdk/fpdfview.cpp
index 76540fc..9f3ca0f 100644
--- a/fpdfsdk/fpdfview.cpp
+++ b/fpdfsdk/fpdfview.cpp
@@ -396,15 +396,15 @@
   if (!pRoot)
     return FALSE;
 
-  CPDF_Dictionary* pAcroForm = pRoot->GetDictBy("AcroForm");
+  CPDF_Dictionary* pAcroForm = pRoot->GetDictFor("AcroForm");
   if (!pAcroForm)
     return FALSE;
 
-  CPDF_Object* pXFA = pAcroForm->GetObjectBy("XFA");
+  CPDF_Object* pXFA = pAcroForm->GetObjectFor("XFA");
   if (!pXFA)
     return FALSE;
 
-  bool bDynamicXFA = pRoot->GetBooleanBy("NeedsRendering", false);
+  bool bDynamicXFA = pRoot->GetBooleanFor("NeedsRendering", false);
   *docType = bDynamicXFA ? DOCTYPE_DYNAMIC_XFA : DOCTYPE_STATIC_XFA;
   return TRUE;
 }
@@ -519,7 +519,7 @@
     return -1;
 
   CPDF_Dictionary* pDict = pDoc->GetParser()->GetEncryptDict();
-  return pDict ? pDict->GetIntegerBy("R") : -1;
+  return pDict ? pDict->GetIntegerFor("R") : -1;
 }
 
 DLLEXPORT int STDCALL FPDF_GetPageCount(FPDF_DOCUMENT document) {
@@ -991,7 +991,7 @@
 
   CPDF_NameTree nameTree(pDoc, "Dests");
   pdfium::base::CheckedNumeric<FPDF_DWORD> count = nameTree.GetCount();
-  CPDF_Dictionary* pDest = pRoot->GetDictBy("Dests");
+  CPDF_Dictionary* pDest = pRoot->GetDictFor("Dests");
   if (pDest)
     count += pDest->GetCount();
 
@@ -1090,7 +1090,7 @@
   CPDF_NameTree nameTree(pDoc, "Dests");
   int count = nameTree.GetCount();
   if (index >= count) {
-    CPDF_Dictionary* pDest = pRoot->GetDictBy("Dests");
+    CPDF_Dictionary* pDest = pRoot->GetDictFor("Dests");
     if (!pDest)
       return nullptr;
 
@@ -1116,7 +1116,7 @@
   if (!pDestObj)
     return nullptr;
   if (CPDF_Dictionary* pDict = pDestObj->AsDictionary()) {
-    pDestObj = pDict->GetArrayBy("D");
+    pDestObj = pDict->GetArrayFor("D");
     if (!pDestObj)
       return nullptr;
   }
diff --git a/fpdfsdk/fpdfxfa/cpdfxfa_docenvironment.cpp b/fpdfsdk/fpdfxfa/cpdfxfa_docenvironment.cpp
index 17e94ff..3bf116e 100644
--- a/fpdfsdk/fpdfxfa/cpdfxfa_docenvironment.cpp
+++ b/fpdfsdk/fpdfxfa/cpdfxfa_docenvironment.cpp
@@ -386,7 +386,7 @@
   if (!pInfoDict)
     return;
 
-  CFX_ByteString csTitle = pInfoDict->GetStringBy("Title");
+  CFX_ByteString csTitle = pInfoDict->GetStringFor("Title");
   wsTitle = wsTitle.FromLocal(csTitle.GetBuffer(csTitle.GetLength()));
   csTitle.ReleaseBuffer(csTitle.GetLength());
 }
@@ -397,7 +397,7 @@
     return;
 
   if (CPDF_Dictionary* pInfoDict = m_pDocument->GetPDFDoc()->GetInfo())
-    pInfoDict->SetAt("Title", new CPDF_String(wsTitle));
+    pInfoDict->SetFor("Title", new CPDF_String(wsTitle));
 }
 
 void CPDFXFA_DocEnvironment::ExportData(CXFA_FFDoc* hDoc,
@@ -447,11 +447,11 @@
     if (!pRoot)
       return;
 
-    CPDF_Dictionary* pAcroForm = pRoot->GetDictBy("AcroForm");
+    CPDF_Dictionary* pAcroForm = pRoot->GetDictFor("AcroForm");
     if (!pAcroForm)
       return;
 
-    CPDF_Array* pArray = ToArray(pAcroForm->GetObjectBy("XFA"));
+    CPDF_Array* pArray = ToArray(pAcroForm->GetObjectFor("XFA"));
     if (!pArray)
       return;
 
@@ -748,13 +748,13 @@
     return FALSE;
   }
 
-  CPDF_Dictionary* pAcroForm = pRoot->GetDictBy("AcroForm");
+  CPDF_Dictionary* pAcroForm = pRoot->GetDictFor("AcroForm");
   if (!pAcroForm) {
     fileStream.Flush();
     return FALSE;
   }
 
-  CPDF_Array* pArray = ToArray(pAcroForm->GetObjectBy("XFA"));
+  CPDF_Array* pArray = ToArray(pAcroForm->GetObjectFor("XFA"));
   if (!pArray) {
     fileStream.Flush();
     return FALSE;
diff --git a/fpdfsdk/javascript/Document.cpp b/fpdfsdk/javascript/Document.cpp
index d1b6148..8935037 100644
--- a/fpdfsdk/javascript/Document.cpp
+++ b/fpdfsdk/javascript/Document.cpp
@@ -784,15 +784,16 @@
   if (!pDictionary)
     return FALSE;
 
-  CFX_WideString cwAuthor = pDictionary->GetUnicodeTextBy("Author");
-  CFX_WideString cwTitle = pDictionary->GetUnicodeTextBy("Title");
-  CFX_WideString cwSubject = pDictionary->GetUnicodeTextBy("Subject");
-  CFX_WideString cwKeywords = pDictionary->GetUnicodeTextBy("Keywords");
-  CFX_WideString cwCreator = pDictionary->GetUnicodeTextBy("Creator");
-  CFX_WideString cwProducer = pDictionary->GetUnicodeTextBy("Producer");
-  CFX_WideString cwCreationDate = pDictionary->GetUnicodeTextBy("CreationDate");
-  CFX_WideString cwModDate = pDictionary->GetUnicodeTextBy("ModDate");
-  CFX_WideString cwTrapped = pDictionary->GetUnicodeTextBy("Trapped");
+  CFX_WideString cwAuthor = pDictionary->GetUnicodeTextFor("Author");
+  CFX_WideString cwTitle = pDictionary->GetUnicodeTextFor("Title");
+  CFX_WideString cwSubject = pDictionary->GetUnicodeTextFor("Subject");
+  CFX_WideString cwKeywords = pDictionary->GetUnicodeTextFor("Keywords");
+  CFX_WideString cwCreator = pDictionary->GetUnicodeTextFor("Creator");
+  CFX_WideString cwProducer = pDictionary->GetUnicodeTextFor("Producer");
+  CFX_WideString cwCreationDate =
+      pDictionary->GetUnicodeTextFor("CreationDate");
+  CFX_WideString cwModDate = pDictionary->GetUnicodeTextFor("ModDate");
+  CFX_WideString cwTrapped = pDictionary->GetUnicodeTextFor("Trapped");
 
   CJS_Context* pContext = (CJS_Context*)cc;
   CJS_Runtime* pRuntime = pContext->GetJSRuntime();
@@ -838,7 +839,7 @@
     return FALSE;
 
   if (vp.IsGetting()) {
-    vp << pDictionary->GetUnicodeTextBy(propName);
+    vp << pDictionary->GetUnicodeTextFor(propName);
   } else {
     if (!m_pDocument->GetPermissions(FPDFPERM_MODIFY)) {
       sError = JSGetStringFromID(IDS_STRING_JSNOPERMISSION);
@@ -846,7 +847,7 @@
     }
     CFX_WideString csProperty;
     vp >> csProperty;
-    pDictionary->SetAtString(propName, PDF_EncodeText(csProperty));
+    pDictionary->SetStringFor(propName, PDF_EncodeText(csProperty));
     m_pDocument->SetChangeMark();
   }
   return TRUE;
diff --git a/fpdfsdk/pdfwindow/PWL_Icon.cpp b/fpdfsdk/pdfwindow/PWL_Icon.cpp
index 6689aa6..65dde8c 100644
--- a/fpdfsdk/pdfwindow/PWL_Icon.cpp
+++ b/fpdfsdk/pdfwindow/PWL_Icon.cpp
@@ -63,7 +63,7 @@
 
   if (m_pPDFStream) {
     if (CPDF_Dictionary* pDict = m_pPDFStream->GetDict()) {
-      CFX_FloatRect rect = pDict->GetRectBy("BBox");
+      CFX_FloatRect rect = pDict->GetRectFor("BBox");
 
       fWidth = rect.right - rect.left;
       fHeight = rect.top - rect.bottom;
@@ -74,7 +74,7 @@
 CFX_Matrix CPWL_Image::GetImageMatrix() {
   if (m_pPDFStream) {
     if (CPDF_Dictionary* pDict = m_pPDFStream->GetDict()) {
-      return pDict->GetMatrixBy("Matrix");
+      return pDict->GetMatrixFor("Matrix");
     }
   }
 
@@ -87,7 +87,7 @@
 
   if (m_pPDFStream) {
     if (CPDF_Dictionary* pDict = m_pPDFStream->GetDict()) {
-      return pDict->GetStringBy("Name");
+      return pDict->GetStringFor("Name");
     }
   }
 
@@ -135,7 +135,7 @@
     fLeft = 0.0f;
     fBottom = 0.0f;
     CPDF_Array* pA = m_pIconFit->GetDict()
-                         ? m_pIconFit->GetDict()->GetArrayBy("A")
+                         ? m_pIconFit->GetDict()->GetArrayFor("A")
                          : nullptr;
     if (pA) {
       size_t dwCount = pA->GetCount();
diff --git a/xfa/fxfa/app/xfa_ffdoc.cpp b/xfa/fxfa/app/xfa_ffdoc.cpp
index 14c4f2d..48631cd 100644
--- a/xfa/fxfa/app/xfa_ffdoc.cpp
+++ b/xfa/fxfa/app/xfa_ffdoc.cpp
@@ -303,11 +303,11 @@
   if (!pRoot)
     return FALSE;
 
-  CPDF_Dictionary* pAcroForm = pRoot->GetDictBy("AcroForm");
+  CPDF_Dictionary* pAcroForm = pRoot->GetDictFor("AcroForm");
   if (!pAcroForm)
     return FALSE;
 
-  CPDF_Object* pElementXFA = pAcroForm->GetDirectObjectBy("XFA");
+  CPDF_Object* pElementXFA = pAcroForm->GetDirectObjectFor("XFA");
   if (!pElementXFA)
     return FALSE;
 
@@ -387,11 +387,11 @@
   if (!pRoot)
     return nullptr;
 
-  CPDF_Dictionary* pNames = pRoot->GetDictBy("Names");
+  CPDF_Dictionary* pNames = pRoot->GetDictFor("Names");
   if (!pNames)
     return nullptr;
 
-  CPDF_Dictionary* pXFAImages = pNames->GetDictBy("XFAImages");
+  CPDF_Dictionary* pXFAImages = pNames->GetDictFor("XFAImages");
   if (!pXFAImages)
     return nullptr;
 
diff --git a/xfa/fxfa/app/xfa_fontmgr.cpp b/xfa/fxfa/app/xfa_fontmgr.cpp
index d191ce3..3a47803 100644
--- a/xfa/fxfa/app/xfa_fontmgr.cpp
+++ b/xfa/fxfa/app/xfa_fontmgr.cpp
@@ -1838,11 +1838,11 @@
     return nullptr;
   }
   CPDF_Dictionary* pFontSetDict =
-      pDoc->GetRoot()->GetDictBy("AcroForm")->GetDictBy("DR");
+      pDoc->GetRoot()->GetDictFor("AcroForm")->GetDictFor("DR");
   if (!pFontSetDict) {
     return nullptr;
   }
-  pFontSetDict = pFontSetDict->GetDictBy("Font");
+  pFontSetDict = pFontSetDict->GetDictFor("Font");
   if (!pFontSetDict) {
     return nullptr;
   }
@@ -1856,7 +1856,7 @@
       continue;
     }
     CPDF_Dictionary* pFontDict = ToDictionary(pObj->GetDirect());
-    if (!pFontDict || pFontDict->GetStringBy("Type") != "Font") {
+    if (!pFontDict || pFontDict->GetStringFor("Type") != "Font") {
       return nullptr;
     }
     CPDF_Font* pPDFFont = pDoc->LoadFont(pFontDict);
diff --git a/xfa/fxfa/fm2js/xfa_fm2jscontext.cpp b/xfa/fxfa/fm2js/xfa_fm2jscontext.cpp
index 4afcb32..0d735a1 100644
--- a/xfa/fxfa/fm2js/xfa_fm2jscontext.cpp
+++ b/xfa/fxfa/fm2js/xfa_fm2jscontext.cpp
@@ -5572,8 +5572,8 @@
     iRet = ResolveObjects(pThis, argAccessor.get(), szSomExp.AsStringC(),
                           resoveNodeRS, TRUE, szName.IsEmpty());
   } else if (!argAccessor->IsObject() && !bsAccessorName.IsEmpty() &&
-             GetObjectByName(pThis, argAccessor.get(),
-                             bsAccessorName.AsStringC())) {
+             GetObjectForName(pThis, argAccessor.get(),
+                              bsAccessorName.AsStringC())) {
     iRet = ResolveObjects(pThis, argAccessor.get(), szSomExp.AsStringC(),
                           resoveNodeRS, TRUE, szName.IsEmpty());
   }
@@ -5710,8 +5710,8 @@
     iRet = ResolveObjects(pThis, argAccessor.get(), szSomExp.AsStringC(),
                           resoveNodeRS, FALSE);
   } else if (!argAccessor->IsObject() && !bsAccessorName.IsEmpty() &&
-             GetObjectByName(pThis, argAccessor.get(),
-                             bsAccessorName.AsStringC())) {
+             GetObjectForName(pThis, argAccessor.get(),
+                              bsAccessorName.AsStringC())) {
     iRet = ResolveObjects(pThis, argAccessor.get(), szSomExp.AsStringC(),
                           resoveNodeRS, FALSE);
   }
@@ -6203,7 +6203,7 @@
 }
 
 // static
-FX_BOOL CXFA_FM2JSContext::GetObjectByName(
+FX_BOOL CXFA_FM2JSContext::GetObjectForName(
     CFXJSE_Value* pThis,
     CFXJSE_Value* accessorValue,
     const CFX_ByteStringC& szAccessorName) {
diff --git a/xfa/fxfa/fm2js/xfa_fm2jscontext.h b/xfa/fxfa/fm2js/xfa_fm2jscontext.h
index 1483cbc..5f87b60 100644
--- a/xfa/fxfa/fm2js/xfa_fm2jscontext.h
+++ b/xfa/fxfa/fm2js/xfa_fm2jscontext.h
@@ -412,9 +412,9 @@
                                     int32_t iIndexValue,
                                     bool bIsStar,
                                     CFX_ByteString& szSomExp);
-  static FX_BOOL GetObjectByName(CFXJSE_Value* pThis,
-                                 CFXJSE_Value* accessorValue,
-                                 const CFX_ByteStringC& szAccessorName);
+  static FX_BOOL GetObjectForName(CFXJSE_Value* pThis,
+                                  CFXJSE_Value* accessorValue,
+                                  const CFX_ByteStringC& szAccessorName);
   static int32_t ResolveObjects(CFXJSE_Value* pThis,
                                 CFXJSE_Value* pParentValue,
                                 const CFX_ByteStringC& bsSomExp,