Avoid calls to WrapUnique in CPDF_streamparser

Review-Url: https://codereview.chromium.org/2520953004
diff --git a/core/fpdfapi/page/cpdf_streamparser.cpp b/core/fpdfapi/page/cpdf_streamparser.cpp
index 2901d3b..7b0bf6a 100644
--- a/core/fpdfapi/page/cpdf_streamparser.cpp
+++ b/core/fpdfapi/page/cpdf_streamparser.cpp
@@ -128,7 +128,7 @@
 
 std::unique_ptr<CPDF_Stream> CPDF_StreamParser::ReadInlineStream(
     CPDF_Document* pDoc,
-    CPDF_Dictionary* pDict,
+    std::unique_ptr<CPDF_Dictionary> pDict,
     CPDF_Object* pCSObj) {
   if (m_Pos == m_Size)
     return nullptr;
@@ -231,8 +231,7 @@
     m_Pos += dwStreamSize;
   }
   pDict->SetNewFor<CPDF_Number>("Length", (int)dwStreamSize);
-  return pdfium::MakeUnique<CPDF_Stream>(pData, dwStreamSize,
-                                         pdfium::WrapUnique(pDict));
+  return pdfium::MakeUnique<CPDF_Stream>(pData, dwStreamSize, std::move(pDict));
 }
 
 CPDF_StreamParser::SyntaxType CPDF_StreamParser::ParseNextElement() {