Use unique_ptr in CPDF_CidFont

core/fpdfapi/fpdf_font/cpdf_cidfont.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_FPDF_FONT_CPDF_CIDFONT_H_
 #define CORE_FPDFAPI_FPDF_FONT_CPDF_CIDFONT_H_
 
+#include <memory>
+
 #include "core/fpdfapi/fpdf_font/include/cpdf_font.h"
 #include "core/fxcrt/include/fx_string.h"
 #include "core/fxcrt/include/fx_system.h"
 
 enum CIDSet {
   CIDSET_UNKNOWN,
   CIDSET_GB1,
   CIDSET_CNS1,
   CIDSET_JAPAN1,
   CIDSET_KOREA1,
@@ skipping 42 matching lines @@
 
  protected:
   int GetGlyphIndex(uint32_t unicodeb, FX_BOOL* pVertGlyph);
   void LoadMetricsArray(CPDF_Array* pArray,
                         CFX_ArrayTemplate<uint32_t>& result,
                         int nElements);
   void LoadSubstFont();
   FX_WCHAR GetUnicodeFromCharCode(uint32_t charcode) const;
 
   CPDF_CMap* m_pCMap;
-  CPDF_CMap* m_pAllocatedCMap;
+  std::unique_ptr<CPDF_CMap> m_pAllocatedCMap;
   CPDF_CID2UnicodeMap* m_pCID2UnicodeMap;
   CIDSet m_Charset;
   FX_BOOL m_bType1;
-  CPDF_StreamAcc* m_pCIDToGIDMap;
   FX_BOOL m_bCIDIsGID;
   uint16_t m_DefaultWidth;
-  uint16_t* m_pAnsiWidths;
+  std::unique_ptr<CPDF_StreamAcc> m_pStreamAcc;
+  bool m_bAnsiWidthsFixed;
   FX_SMALL_RECT m_CharBBox[256];
   CFX_ArrayTemplate<uint32_t> m_WidthList;
   short m_DefaultVY;
   short m_DefaultW1;
   CFX_ArrayTemplate<uint32_t> m_VertMetrics;
   FX_BOOL m_bAdobeCourierStd;
-  CFX_CTTGSUBTable* m_pTTGSUBTable;
+  std::unique_ptr<CFX_CTTGSUBTable> m_pTTGSUBTable;
 };
 
 #endif  // CORE_FPDFAPI_FPDF_FONT_CPDF_CIDFONT_H_