Make code compile with clang_use_chrome_plugin (part I)

core/fpdfapi/fpdf_parser/cpdf_data_avail.h

 // 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
 
 #ifndef CORE_FPDFAPI_FPDF_PARSER_CPDF_DATA_AVAIL_H_
 #define CORE_FPDFAPI_FPDF_PARSER_CPDF_DATA_AVAIL_H_
 
 #include "core/fpdfapi/fpdf_parser/cpdf_hint_tables.h"
@@ skipping 38 matching lines @@
   PDF_PAGENODE_ARRAY,
 };
 
 class CPDF_DataAvail final : public IPDF_DataAvail {
  public:
   CPDF_DataAvail(FileAvail* pFileAvail,
                  IFX_FileRead* pFileRead,
                  FX_BOOL bSupportHintTable);
   ~CPDF_DataAvail() override;
 
-  // IPDF_DataAvail:
+  // IPDF_DataAvail
   DocAvailStatus IsDocAvail(DownloadHints* pHints) override;
   void SetDocument(CPDF_Document* pDoc) override;
   DocAvailStatus IsPageAvail(int iPage, DownloadHints* pHints) override;
   DocFormStatus IsFormAvail(DownloadHints* pHints) override;
   DocLinearizationStatus IsLinearizedPDF() override;
-  FX_BOOL IsLinearized() override { return m_bLinearized; }
+  FX_BOOL IsLinearized() override;
   void GetLinearizedMainXRefInfo(FX_FILESIZE* pPos, uint32_t* pSize) override;
 
   int GetPageCount() const;
   CPDF_Dictionary* GetPage(int index);
 
   friend class CPDF_HintTables;
 
  protected:
   class PageNode {
    public:
@@ skipping 132 matching lines @@
   FX_BOOL m_bTotalLoadPageTree;
   FX_BOOL m_bCurPageDictLoadOK;
   PageNode m_pageNodes;
   std::set<uint32_t> m_pageMapCheckState;
   std::set<uint32_t> m_pagesLoadState;
   std::unique_ptr<CPDF_HintTables> m_pHintTables;
   FX_BOOL m_bSupportHintTable;
 };
 
 #endif  // CORE_FPDFAPI_FPDF_PARSER_CPDF_DATA_AVAIL_H_