Fix out of bound access in CPDF_Parser::ParseIndirectObject().

core/include/fpdfapi/fpdf_parser.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_FPDFAPI_FPDF_PARSER_H_
 #define CORE_INCLUDE_FPDFAPI_FPDF_PARSER_H_
 
 #include <map>
@@ skipping 457 matching lines @@
 
   CPDF_StreamAcc* GetObjectStream(FX_DWORD number);
 
   FX_BOOL IsLinearizedFile(IFX_FileRead* pFileAccess, FX_DWORD offset);
 
   bool FindPosInOffsets(FX_FILESIZE pos) const;
 
   void SetEncryptDictionary(CPDF_Dictionary* pDict);
 
   FX_FILESIZE GetObjectPositionOrZero(FX_DWORD objnum) const;
+  void ShrinkObjectMap(FX_DWORD size);
 
   CPDF_Document* m_pDocument;
 
   CPDF_SyntaxParser m_Syntax;
   FX_BOOL m_bOwnFileRead;
   int m_FileVersion;
 
   CPDF_Dictionary* m_pTrailer;
 
   CPDF_Dictionary* m_pEncryptDict;
@@ skipping 492 matching lines @@
                        FX_DWORD src_size,
                        const CPDF_Dictionary* pDict,
                        uint8_t*& dest_buf,
                        FX_DWORD& dest_size,
                        CFX_ByteString& ImageEncoding,
                        CPDF_Dictionary*& pImageParms,
                        FX_DWORD estimated_size,
                        FX_BOOL bImageAcc);
 
 #endif  // CORE_INCLUDE_FPDFAPI_FPDF_PARSER_H_