Move FPDFImageObj_LoadJpegHelper() into an anonymous namespace.

Add public FPDFPageObj_NewImageObj() call to replace
FPDFPageObj_NewImgeObj() which is missing a letter.

Change-Id: I5355ee5e5bf7e6e161e2004ec7e9257c85a463f7
Reviewed-on: https://pdfium-review.googlesource.com/2840
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>
diff --git a/fpdfsdk/fpdfeditimg.cpp b/fpdfsdk/fpdfeditimg.cpp
index ad56050..69151d1 100644
--- a/fpdfsdk/fpdfeditimg.cpp
+++ b/fpdfsdk/fpdfeditimg.cpp
@@ -13,22 +13,13 @@
 #include "fpdfsdk/fsdk_define.h"
 #include "third_party/base/ptr_util.h"
 
-DLLEXPORT FPDF_PAGEOBJECT STDCALL
-FPDFPageObj_NewImgeObj(FPDF_DOCUMENT document) {
-  CPDF_Document* pDoc = CPDFDocumentFromFPDFDocument(document);
-  if (!pDoc)
-    return nullptr;
+namespace {
 
-  CPDF_ImageObject* pImageObj = new CPDF_ImageObject;
-  pImageObj->SetOwnedImage(pdfium::MakeUnique<CPDF_Image>(pDoc));
-  return pImageObj;
-}
-
-FPDF_BOOL FPDFImageObj_LoadJpegHelper(FPDF_PAGE* pages,
-                                      int nCount,
-                                      FPDF_PAGEOBJECT image_object,
-                                      FPDF_FILEACCESS* fileAccess,
-                                      bool inlineJpeg) {
+bool LoadJpegHelper(FPDF_PAGE* pages,
+                    int nCount,
+                    FPDF_PAGEOBJECT image_object,
+                    FPDF_FILEACCESS* fileAccess,
+                    bool inlineJpeg) {
   if (!image_object || !fileAccess || !pages)
     return false;
 
@@ -49,13 +40,30 @@
   return true;
 }
 
+}  // namespace
+
+DLLEXPORT FPDF_PAGEOBJECT STDCALL
+FPDFPageObj_NewImageObj(FPDF_DOCUMENT document) {
+  CPDF_Document* pDoc = CPDFDocumentFromFPDFDocument(document);
+  if (!pDoc)
+    return nullptr;
+
+  CPDF_ImageObject* pImageObj = new CPDF_ImageObject;
+  pImageObj->SetOwnedImage(pdfium::MakeUnique<CPDF_Image>(pDoc));
+  return pImageObj;
+}
+
+DLLEXPORT FPDF_PAGEOBJECT STDCALL
+FPDFPageObj_NewImgeObj(FPDF_DOCUMENT document) {
+  return FPDFPageObj_NewImageObj(document);
+}
+
 DLLEXPORT FPDF_BOOL STDCALL
 FPDFImageObj_LoadJpegFile(FPDF_PAGE* pages,
                           int nCount,
                           FPDF_PAGEOBJECT image_object,
                           FPDF_FILEACCESS* fileAccess) {
-  return FPDFImageObj_LoadJpegHelper(pages, nCount, image_object, fileAccess,
-                                     false);
+  return LoadJpegHelper(pages, nCount, image_object, fileAccess, false);
 }
 
 DLLEXPORT FPDF_BOOL STDCALL
@@ -63,8 +71,7 @@
                                 int nCount,
                                 FPDF_PAGEOBJECT image_object,
                                 FPDF_FILEACCESS* fileAccess) {
-  return FPDFImageObj_LoadJpegHelper(pages, nCount, image_object, fileAccess,
-                                     true);
+  return LoadJpegHelper(pages, nCount, image_object, fileAccess, true);
 }
 
 DLLEXPORT FPDF_BOOL STDCALL FPDFImageObj_SetMatrix(FPDF_PAGEOBJECT image_object,