Merge to XFA: Replace several more CFX_MapPtrToPtr with std::set or std::map

core/include/fpdfapi/fpdf_objects.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_OBJECTS_H_
 #define CORE_INCLUDE_FPDFAPI_FPDF_OBJECTS_H_
 
+#include <set>
+
 #include "core/include/fxcrt/fx_coordinates.h"
 #include "core/include/fxcrt/fx_system.h"
 
 class CPDF_Array;
 class CPDF_Boolean;
 class CPDF_CryptoHandler;
 class CPDF_Dictionary;
 class CPDF_Document;
 class CPDF_IndirectObjects;
 class CPDF_Name;
@@ skipping 102 matching lines @@
   FX_DWORD m_Type;
   FX_DWORD m_ObjNum;
   FX_DWORD m_GenNum;
 
   friend class CPDF_IndirectObjects;
   friend class CPDF_Parser;
   friend class CPDF_SyntaxParser;
 
  private:
   CPDF_Object(const CPDF_Object& src) {}
-  CPDF_Object* CloneInternal(FX_BOOL bDirect, CFX_MapPtrToPtr* visited) const;
+  CPDF_Object* CloneInternal(FX_BOOL bDirect,
+                             std::set<FX_DWORD>* visited) const;
 };
 class CPDF_Boolean : public CPDF_Object {
  public:
   static CPDF_Boolean* Create(FX_BOOL value) { return new CPDF_Boolean(value); }
 
   CPDF_Boolean() : CPDF_Object(PDFOBJ_BOOLEAN), m_bValue(false) {}
   CPDF_Boolean(FX_BOOL value) : CPDF_Object(PDFOBJ_BOOLEAN), m_bValue(value) {}
 
   FX_BOOL Identical(CPDF_Boolean* pOther) const {
     return m_bValue == pOther->m_bValue;
@@ skipping 482 matching lines @@
 
  protected:
   CFX_MapPtrToPtr m_IndirectObjs;
 
   CPDF_Parser* m_pParser;
 
   FX_DWORD m_LastObjNum;
 };
 
 #endif  // CORE_INCLUDE_FPDFAPI_FPDF_OBJECTS_H_