Properly ref-count CFGAS_GEFont with CFX_RetainPtr.

xfa/fgas/layout/fgas_rtfbreak.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_RTFBREAK_H_
 #define XFA_FGAS_LAYOUT_FGAS_RTFBREAK_H_
 
 #include <vector>
@@ skipping 49 matching lines @@
   (FX_RTFLINEALIGNMENT_Left | FX_RTFLINEALIGNMENT_Distributed)
 #define FX_RTFLINEALIGNMENT_DistributedCenter \
   (FX_RTFLINEALIGNMENT_Center | FX_RTFLINEALIGNMENT_Distributed)
 #define FX_RTFLINEALIGNMENT_DistributedRight \
   (FX_RTFLINEALIGNMENT_Right | FX_RTFLINEALIGNMENT_Distributed)
 #define FX_RTFLINEALIGNMENT_LowerMask 0x03
 #define FX_RTFLINEALIGNMENT_HigherMask 0x0C
 
 struct FX_RTFTEXTOBJ {
   FX_RTFTEXTOBJ();
+  ~FX_RTFTEXTOBJ();
 
   const FX_WCHAR* pStr;
   int32_t* pWidths;
   int32_t iLength;
-  CFGAS_GEFont* pFont;
+  CFX_RetainPtr<CFGAS_GEFont> pFont;
   FX_FLOAT fFontSize;
   uint32_t dwLayoutStyles;
   int32_t iCharRotation;
   int32_t iBidiLevel;
   const CFX_RectF* pRect;
   FX_WCHAR wLineBreakChar;
   int32_t iHorizontalScale;
   int32_t iVerticalScale;
 };
 
@@ skipping 130 matching lines @@
 
 class CFX_RTFBreak {
  public:
   explicit CFX_RTFBreak(uint32_t dwPolicies);
   ~CFX_RTFBreak();
 
   void SetLineBoundary(FX_FLOAT fLineStart, FX_FLOAT fLineEnd);
   void SetLineStartPos(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);
   void AddPositionedTab(FX_FLOAT fTabPos);
   void SetPositionedTabs(const std::vector<FX_FLOAT>& tabs);
   void ClearPositionedTabs();
   void SetDefaultChar(FX_WCHAR wch);
   void SetLineBreakChar(FX_WCHAR wch);
   void SetLineBreakTolerance(FX_FLOAT fTolerance);
   void SetHorizontalScale(int32_t iScale);
   void SetVerticalScale(int32_t iScale);
@@ skipping 51 matching lines @@
                           uint32_t dwStatus);
 
   uint32_t m_dwPolicies;
   int32_t m_iBoundaryStart;
   int32_t m_iBoundaryEnd;
   uint32_t m_dwLayoutStyles;
   bool m_bPagination;
   bool m_bVertical;
   bool m_bSingleLine;
   bool m_bCharCode;
-  CFGAS_GEFont* m_pFont;
+  CFX_RetainPtr<CFGAS_GEFont> m_pFont;
   int32_t m_iFontHeight;
   int32_t m_iFontSize;
   int32_t m_iTabWidth;
   CFX_Int32Array m_PositionedTabs;
   bool m_bOrphanLine;
   FX_WCHAR m_wDefChar;
   int32_t m_iDefChar;
   FX_WCHAR m_wLineBreakChar;
   int32_t m_iHorizontalScale;
   int32_t m_iVerticalScale;
   int32_t m_iLineRotation;
   int32_t m_iCharRotation;
   int32_t m_iRotation;
   int32_t m_iCharSpace;
   bool m_bWordSpace;
   int32_t m_iWordSpace;
   bool m_bRTL;
   int32_t m_iAlignment;
   IFX_Retainable* m_pUserData;
   FX_CHARTYPE m_eCharType;
   uint32_t m_dwIdentity;
   CFX_RTFLine m_RTFLine1;
   CFX_RTFLine m_RTFLine2;
   CFX_RTFLine* m_pCurLine;
   int32_t m_iReady;
   int32_t m_iTolerance;
 };
 
 #endif  // XFA_FGAS_LAYOUT_FGAS_RTFBREAK_H_