Make CPDF_PageContentGenerator methods take object numbers

core/fpdfapi/parser/cpdf_document.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_PARSER_CPDF_DOCUMENT_H_
 #define CORE_FPDFAPI_PARSER_CPDF_DOCUMENT_H_
 
 #include <functional>
@@ skipping 63 matching lines @@
 
   // |pFontDict| must not be null.
   CPDF_Font* LoadFont(CPDF_Dictionary* pFontDict);
   CPDF_ColorSpace* LoadColorSpace(CPDF_Object* pCSObj,
                                   CPDF_Dictionary* pResources = nullptr);
 
   CPDF_Pattern* LoadPattern(CPDF_Object* pObj,
                             bool bShading,
                             const CFX_Matrix& matrix);
 
-  CPDF_Image* LoadImageF(CPDF_Object* pObj);
+  CPDF_Image* LoadImageFromPageData(uint32_t dwStreamObjNum);
   CPDF_StreamAcc* LoadFontFile(CPDF_Stream* pStream);
   CPDF_IccProfile* LoadIccProfile(CPDF_Stream* pStream);
 
   void LoadDoc();
   void LoadLinearizedDoc(const CPDF_LinearizedHeader* pLinearizationParams);
   void LoadPages();
 
   void CreateNewDoc();
   CPDF_Dictionary* CreateNewPage(int iPage);
 
@@ skipping 52 matching lines @@
   // TODO(thestig): Figure out why this cannot be a std::unique_ptr.
   CPDF_DocPageData* m_pDocPage;
   std::unique_ptr<CPDF_DocRenderData> m_pDocRender;
   std::unique_ptr<JBig2_DocumentContext> m_pCodecContext;
   std::unique_ptr<CPDF_LinkList> m_pLinksContext;
   CFX_ArrayTemplate<uint32_t> m_PageList;
   CFX_WeakPtr<CFX_ByteStringPool> m_pByteStringPool;
 };
 
 #endif  // CORE_FPDFAPI_PARSER_CPDF_DOCUMENT_H_