Change protected to private in CPDF_CID2UnicodeMap and CPDF_ToUnicodeMap

core/fpdfapi/fpdf_font/font_int.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_FPDFAPI_FPDF_FONT_FONT_INT_H_
 #define CORE_FPDFAPI_FPDF_FONT_FONT_INT_H_
 
 #include <map>
@@ skipping 160 matching lines @@
 class CPDF_CID2UnicodeMap {
  public:
   CPDF_CID2UnicodeMap();
   ~CPDF_CID2UnicodeMap();
 
   FX_BOOL Initialize();
   FX_BOOL IsLoaded();
   void Load(CPDF_CMapManager* pMgr, CIDSet charset, FX_BOOL bPromptCJK);
   FX_WCHAR UnicodeFromCID(uint16_t CID);
 
- protected:
+ private:
   CIDSet m_Charset;
   const uint16_t* m_pEmbeddedMap;
   uint32_t m_EmbeddedCount;
 };
 
 class CPDF_ToUnicodeMap {
  public:
   CPDF_ToUnicodeMap();
   ~CPDF_ToUnicodeMap();
 
   void Load(CPDF_Stream* pStream);
 
   CFX_WideString Lookup(uint32_t charcode) const;
   uint32_t ReverseLookup(FX_WCHAR unicode) const;
 
- protected:
-  std::map<uint32_t, uint32_t> m_Map;
-  CPDF_CID2UnicodeMap* m_pBaseMap;
-  CFX_WideTextBuf m_MultiCharBuf;
-
  private:
   friend class fpdf_font_StringToCode_Test;
   friend class fpdf_font_StringToWideString_Test;
 
   static uint32_t StringToCode(const CFX_ByteStringC& str);
   static CFX_WideString StringToWideString(const CFX_ByteStringC& str);
+
+  std::map<uint32_t, uint32_t> m_Map;
+  CPDF_CID2UnicodeMap* m_pBaseMap;
+  CFX_WideTextBuf m_MultiCharBuf;
 };
 
 #endif  // CORE_FPDFAPI_FPDF_FONT_FONT_INT_H_