Remove unused methods in CPDF_CMap

core/fpdfapi/fpdf_font/font_int.h

Index: core/fpdfapi/fpdf_font/font_int.h
diff --git a/core/fpdfapi/fpdf_font/font_int.h b/core/fpdfapi/fpdf_font/font_int.h
index c1e2f75599caa63b7bbb277f8346d5ea77c0e389..a09bb6bce604cbaaf29ff528c2d906e801a93e2a 100644
--- a/core/fpdfapi/fpdf_font/font_int.h
+++ b/core/fpdfapi/fpdf_font/font_int.h
@@ -142,20 +142,17 @@ class CPDF_CMap {
                          const FX_CHAR* name,
                          FX_BOOL bPromptCJK);
   FX_BOOL LoadEmbedded(const uint8_t* pData, uint32_t dwSize);
-  void Release();
 
   FX_BOOL IsLoaded() const;
   FX_BOOL IsVertWriting() const;
   uint16_t CIDFromCharCode(uint32_t charcode) const;
-  uint32_t CharCodeFromCID(uint16_t CID) const;
   int GetCharSize(uint32_t charcode) const;
   uint32_t GetNextChar(const FX_CHAR* pString, int nStrLen, int& offset) const;
   int CountChar(const FX_CHAR* pString, int size) const;
   int AppendChar(FX_CHAR* str, uint32_t charcode) const;
 
- protected:
+ private:
   friend class CPDF_CMapParser;
-  friend class CPDF_CMapManager;
   friend class CPDF_CIDFont;
 
   CFX_ByteString m_PredefinedCMap;