Remove the m_ObjVersion member variable from CPDF_Parser.

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 412 matching lines @@
   CPDF_Dictionary* m_pTrailer;
   CPDF_Dictionary* m_pEncryptDict;
   FX_FILESIZE m_LastXRefOffset;
   FX_BOOL m_bXRefStream;
   std::unique_ptr<IPDF_SecurityHandler> m_pSecurityHandler;
   CFX_ByteString m_bsRecipient;
   CFX_ByteString m_FilePath;
   CFX_ByteString m_Password;
 
   struct ObjectInfo {
-    ObjectInfo() : pos(0), type(0) {}
+    ObjectInfo() : pos(0), type(0), gennum(0) {}
 
     FX_FILESIZE pos;
     uint8_t type;
-// TODO(thestig): Use field below in place of |m_ObjVersion|
-#if 0
     uint16_t gennum;
-#endif
   };
   std::map<FX_DWORD, ObjectInfo> m_ObjectInfo;
 
-  CFX_WordArray m_ObjVersion;
   CFX_FileSizeArray m_SortedOffset;
   CFX_ArrayTemplate<CPDF_Dictionary*> m_Trailers;
   FX_BOOL m_bVersionUpdated;
   CPDF_Object* m_pLinearized;
   FX_DWORD m_dwFirstPageNo;
   FX_DWORD m_dwXrefStartObjNum;
 
   // A map of object numbers to indirect streams. Map owns the streams.
   std::map<FX_DWORD, std::unique_ptr<CPDF_StreamAcc>> m_ObjectStreamMap;
 
@@ skipping 432 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_