From b6db95b0d55869168ee13e2b8accb0d16dc7ad8b Mon Sep 17 00:00:00 2001
From: Artem Strygin <art-snake@yandex-team.ru>
Date: Wed, 9 Aug 2017 23:11:16 +0300
Subject: Remove useless code.

The CPDF_Parser::IsVersionUpdated  is not used anymore.

Change-Id: I896c42daca3c5bed7b9d700eaea6ced686ab5acb
Reviewed-on: https://pdfium-review.googlesource.com/10490
Commit-Queue: Art Snake <art-snake@yandex-team.ru>
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: dsinclair <dsinclair@chromium.org>
---
 core/fpdfapi/parser/cpdf_parser.cpp | 6 ------
 core/fpdfapi/parser/cpdf_parser.h   | 2 --
 2 files changed, 8 deletions(-)

diff --git a/core/fpdfapi/parser/cpdf_parser.cpp b/core/fpdfapi/parser/cpdf_parser.cpp
index d35f034e97..bf711bd972 100644
--- a/core/fpdfapi/parser/cpdf_parser.cpp
+++ b/core/fpdfapi/parser/cpdf_parser.cpp
@@ -71,7 +71,6 @@ CPDF_Parser::CPDF_Parser()
     : m_pSyntax(pdfium::MakeUnique<CPDF_SyntaxParser>()),
       m_bHasParsed(false),
       m_bXRefStream(false),
-      m_bVersionUpdated(false),
       m_FileVersion(0),
       m_pEncryptDict(nullptr),
       m_TrailerPos(CPDF_Parser::kInvalidPos),
@@ -594,8 +593,6 @@ void CPDF_Parser::MergeCrossRefObjectsData(
   for (const auto& obj : objects) {
     m_ObjectInfo[obj.obj_num] = obj.info;
     if (obj.info.type != ObjectType::kFree) {
-      if (obj.info.gennum > 0)
-        m_bVersionUpdated = true;
       if (obj.info.type == ObjectType::kNotCompressed &&
           obj.info.pos < m_pSyntax->m_FileLen) {
         m_SortedOffset.insert(obj.info.pos);
@@ -814,11 +811,8 @@ bool CPDF_Parser::RebuildCrossRef() {
                 if (!m_ObjectInfo.empty() && IsValidObjectNumber(objnum) &&
                     m_ObjectInfo[objnum].pos) {
                   if (pObject) {
-                    uint32_t oldgen = GetObjectGenNum(objnum);
                     m_ObjectInfo[objnum].pos = obj_pos;
                     m_ObjectInfo[objnum].gennum = gennum;
-                    if (oldgen != gennum)
-                      m_bVersionUpdated = true;
                   }
                 } else {
                   m_ObjectInfo[objnum].pos = obj_pos;
diff --git a/core/fpdfapi/parser/cpdf_parser.h b/core/fpdfapi/parser/cpdf_parser.h
index 594171be46..0f28771344 100644
--- a/core/fpdfapi/parser/cpdf_parser.h
+++ b/core/fpdfapi/parser/cpdf_parser.h
@@ -83,7 +83,6 @@ class CPDF_Parser {
   FX_FILESIZE GetObjectPositionOrZero(uint32_t objnum) const;
   ObjectType GetObjectType(uint32_t objnum) const;
   uint16_t GetObjectGenNum(uint32_t objnum) const;
-  bool IsVersionUpdated() const { return m_bVersionUpdated; }
   bool IsObjectFreeOrNull(uint32_t objnum) const;
   CFX_RetainPtr<CPDF_CryptoHandler> GetCryptoHandler() const;
   CFX_RetainPtr<IFX_SeekableReadStream> GetFileAccess() const;
@@ -196,7 +195,6 @@ class CPDF_Parser {
   CFX_UnownedPtr<CPDF_Document> m_pDocument;
   bool m_bHasParsed;
   bool m_bXRefStream;
-  bool m_bVersionUpdated;
   int m_FileVersion;
   CFX_UnownedPtr<CPDF_Dictionary> m_pEncryptDict;
   FX_FILESIZE m_LastXRefOffset;
-- 
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