Use std::map for CFX_GEFont::m_FontMapper

xfa/fgas/font/fgas_gefont.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 XFA_FGAS_FONT_FGAS_GEFONT_H_
 #define XFA_FGAS_FONT_FGAS_GEFONT_H_
 
+#include <map>
+
 #include "xfa/fgas/crt/fgas_utils.h"
 #include "xfa/fgas/font/fgas_font.h"
 
 #define FXFONT_SUBST_ITALIC 0x02
 
 class CXFA_PDFFontMgr;
 
 class CFX_GEFont : public IFX_Font {
  public:
   CFX_GEFont(const CFX_GEFont& src, uint32_t dwFontStyles);
@@ skipping 48 matching lines @@
   FX_BOOL m_bExtFont;
   IFX_Stream* m_pStream;
   IFX_FileRead* m_pFileRead;
   CFX_UnicodeEncoding* m_pFontEncoding;
   CFX_WordDiscreteArray* m_pCharWidthMap;
   CFX_MassArrayTemplate<CFX_Rect>* m_pRectArray;
   CFX_MapPtrToPtr* m_pBBoxMap;
   CXFA_PDFFontMgr* m_pProvider;
   uint16_t m_wCharSet;
   CFX_ArrayTemplate<IFX_Font*> m_SubstFonts;
-  CFX_MapPtrToPtr m_FontMapper;
+  std::map<FX_WCHAR, IFX_Font*> m_FontMapper;
   FX_BOOL InitFont();
   FX_BOOL GetCharBBox(FX_WCHAR wUnicode,
                       CFX_Rect& bbox,
                       FX_BOOL bRecursive,
                       FX_BOOL bCharCode = FALSE);
   FX_BOOL GetCharWidth(FX_WCHAR wUnicode,
                        int32_t& iWidth,
                        FX_BOOL bRecursive,
                        FX_BOOL bCharCode = FALSE);
   int32_t GetGlyphIndex(FX_WCHAR wUnicode,
                         FX_BOOL bRecursive,
                         IFX_Font** ppFont,
                         FX_BOOL bCharCode = FALSE);
 };
 
 #endif  // XFA_FGAS_FONT_FGAS_GEFONT_H_