Split apart the remainder of fpdf_render_render.cpp into per-class files.

core/include/fpdfdoc/fpdf_doc.h

 // Copyright 2014 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
 
 #ifndef CORE_INCLUDE_FPDFDOC_FPDF_DOC_H_
 #define CORE_INCLUDE_FPDFDOC_FPDF_DOC_H_
 
 #include <map>
 #include <memory>
 #include <vector>
 
-#include "core/include/fpdfapi/fpdf_parser.h"
+#include "core/include/fpdfapi/fpdf_parser_decode.h"
 #include "core/include/fpdfapi/fpdf_render.h"
 
+class CFDF_Document;
 class CFieldTree;
 class CPDF_AAction;
 class CPDF_Action;
 class CPDF_ActionFields;
 class CPDF_Annot;
 class CPDF_AnnotList;
 class CPDF_ApSettings;
 class CPDF_Bookmark;
 class CPDF_BookmarkTree;
 class CPDF_DefaultAppearance;
@@ skipping 1013 matching lines @@
   CFX_WideString GetCaption(const CFX_ByteStringC& csEntry) const;
 
   CPDF_Stream* GetIcon(const CFX_ByteStringC& csEntry) const;
 
   CPDF_Dictionary* const m_pDict;
 };
 
 CFX_WideString FILESPEC_EncodeFileName(const CFX_WideStringC& filepath);
 
 #endif  // CORE_INCLUDE_FPDFDOC_FPDF_DOC_H_