Properly ref-count CFGAS_GEFont with CFX_RetainPtr.

xfa/fgas/layout/fgas_textbreak.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_LAYOUT_FGAS_TEXTBREAK_H_
 #define XFA_FGAS_LAYOUT_FGAS_TEXTBREAK_H_
 
 #include <memory>
@@ skipping 75 matching lines @@
 struct FX_TXTRUN {
   FX_TXTRUN();
   FX_TXTRUN(const FX_TXTRUN& other);
   ~FX_TXTRUN();
 
   IFX_TxtAccess* pAccess;
   const FDE_TEXTEDITPIECE* pIdentity;
   CFX_WideString wsStr;
   int32_t* pWidths;
   int32_t iLength;
-  CFGAS_GEFont* pFont;
+  CFX_RetainPtr<CFGAS_GEFont> pFont;
   FX_FLOAT fFontSize;
   uint32_t dwStyles;
   int32_t iHorizontalScale;
   int32_t iVerticalScale;
   int32_t iCharRotation;
   uint32_t dwCharStyles;
   const CFX_RectF* pRect;
   FX_WCHAR wLineBreakChar;
   bool bSkipSpace;
 };
@@ skipping 92 matching lines @@
 
 class CFX_TxtBreak {
  public:
   explicit CFX_TxtBreak(uint32_t dwPolicies);
   ~CFX_TxtBreak();
 
   void SetLineWidth(FX_FLOAT fLineWidth);
   void SetLinePos(FX_FLOAT fLinePos);
   uint32_t GetLayoutStyles() const { return m_dwLayoutStyles; }
   void SetLayoutStyles(uint32_t dwLayoutStyles);
-  void SetFont(CFGAS_GEFont* pFont);
+  void SetFont(const CFX_RetainPtr<CFGAS_GEFont>& pFont);
   void SetFontSize(FX_FLOAT fFontSize);
   void SetTabWidth(FX_FLOAT fTabWidth, bool bEquidistant);
   void SetDefaultChar(FX_WCHAR wch);
   void SetParagraphBreakChar(FX_WCHAR wch);
   void SetLineBreakTolerance(FX_FLOAT fTolerance);
   void SetHorizontalScale(int32_t iScale);
   void SetVerticalScale(int32_t iScale);
   void SetCharRotation(int32_t iCharRotation);
   void SetCharSpace(FX_FLOAT fCharSpace);
   void SetAlignment(int32_t iAlignment);
@@ skipping 53 matching lines @@
   int32_t m_iLineWidth;
   uint32_t m_dwLayoutStyles;
   bool m_bVertical;
   bool m_bArabicContext;
   bool m_bArabicShapes;
   bool m_bRTL;
   bool m_bSingleLine;
   bool m_bCombText;
   int32_t m_iArabicContext;
   int32_t m_iCurArabicContext;
-  CFGAS_GEFont* m_pFont;
+  CFX_RetainPtr<CFGAS_GEFont> m_pFont;
   int32_t m_iFontSize;
   bool m_bEquidistant;
   int32_t m_iTabWidth;
   FX_WCHAR m_wDefChar;
   FX_WCHAR m_wParagBreakChar;
   int32_t m_iDefChar;
   int32_t m_iLineRotation;
   int32_t m_iCharRotation;
   int32_t m_iRotation;
   int32_t m_iAlignment;
   uint32_t m_dwContextCharStyles;
   int32_t m_iCombWidth;
   void* m_pUserData;
   FX_CHARTYPE m_eCharType;
   bool m_bCurRTL;
   int32_t m_iCurAlignment;
   bool m_bArabicNumber;
   bool m_bArabicComma;
   std::unique_ptr<CFX_TxtLine> m_pTxtLine1;
   std::unique_ptr<CFX_TxtLine> m_pTxtLine2;
   CFX_TxtLine* m_pCurLine;
   int32_t m_iReady;
   int32_t m_iTolerance;
   int32_t m_iHorScale;
   int32_t m_iVerScale;
   int32_t m_iCharSpace;
 };
 
 #endif  // XFA_FGAS_LAYOUT_FGAS_TEXTBREAK_H_