Make CPDF_Dictionary use unique pointers.

core/fpdfapi/font/cpdf_font.cpp

 // Copyright 2016 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
 #include "core/fpdfapi/font/cpdf_font.h"
 
 #include <memory>
 #include <vector>
@@ skipping 292 matching lines @@
   if (font_id < 0)
     return nullptr;
 
   CPDF_FontGlobals* pFontGlobals =
       CPDF_ModuleMgr::Get()->GetPageModule()->GetFontGlobals();
   CPDF_Font* pFont = pFontGlobals->Find(pDoc, font_id);
   if (pFont)
     return pFont;
 
   CPDF_Dictionary* pDict = new CPDF_Dictionary(pDoc->GetByteStringPool());
-  pDict->SetNameFor("Type", "Font");
-  pDict->SetNameFor("Subtype", "Type1");
-  pDict->SetNameFor("BaseFont", fontname);
-  pDict->SetNameFor("Encoding", "WinAnsiEncoding");
+  pDict->SetNewFor<CPDF_Name>("Type", "Font");
+  pDict->SetNewFor<CPDF_Name>("Subtype", "Type1");
+  pDict->SetNewFor<CPDF_Name>("BaseFont", fontname);
+  pDict->SetNewFor<CPDF_Name>("Encoding", "WinAnsiEncoding");
   return pFontGlobals->Set(pDoc, font_id, CPDF_Font::Create(nullptr, pDict));
 }
 
 std::unique_ptr<CPDF_Font> CPDF_Font::Create(CPDF_Document* pDoc,
                                              CPDF_Dictionary* pFontDict) {
   CFX_ByteString type = pFontDict->GetStringFor("Subtype");
   std::unique_ptr<CPDF_Font> pFont;
   if (type == "TrueType") {
     CFX_ByteString tag = pFontDict->GetStringFor("BaseFont").Left(4);
     for (size_t i = 0; i < FX_ArraySize(kChineseFontNames); ++i) {
@@ skipping 140 matching lines @@
   if (fallbackFont < 0 ||
       fallbackFont >= pdfium::CollectionSize<int>(m_FontFallbacks)) {
     return -1;
   }
   int glyph =
       FXFT_Get_Char_Index(m_FontFallbacks[fallbackFont]->GetFace(), charcode);
   if (glyph == 0 || glyph == 0xffff)
     return -1;
   return glyph;
 }