Properly ref-count CFGAS_GEFont with CFX_RetainPtr.

xfa/fxfa/fxfa_widget.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_FXFA_FXFA_WIDGET_H_
 #define XFA_FXFA_FXFA_WIDGET_H_
 
 #include <memory>
 
+#include "core/fxcrt/cfx_retain_ptr.h"
 #include "core/fxcrt/fx_coordinates.h"
 #include "core/fxge/fx_dib.h"
 #include "xfa/fxfa/parser/cxfa_box.h"
 #include "xfa/fxfa/parser/cxfa_event.h"
 #include "xfa/fxfa/parser/cxfa_image.h"
 #include "xfa/fxfa/parser/cxfa_margin.h"
 #include "xfa/fxfa/parser/cxfa_script.h"
 #include "xfa/fxfa/parser/cxfa_value.h"
 #include "xfa/fxfa/parser/cxfa_widgetdata.h"
 
@@ skipping 46 matching lines @@
   void GetImageEditDpi(int32_t& iImageXDpi, int32_t& iImageYDpi);
   CXFA_TextLayout* GetCaptionTextLayout();
   CXFA_TextLayout* GetTextLayout();
   CFX_DIBitmap* GetImageImage();
   CFX_DIBitmap* GetImageEditImage();
   void SetImageImage(CFX_DIBitmap* newImage);
   void SetImageEditImage(CFX_DIBitmap* newImage);
   void UpdateUIDisplay(CXFA_FFWidget* pExcept = nullptr);
 
   CXFA_Node* GetDatasets();
-  CFGAS_GEFont* GetFDEFont();
+  CFX_RetainPtr<CFGAS_GEFont> GetFDEFont();
   FX_FLOAT GetFontSize();
   FX_ARGB GetTextColor();
   FX_FLOAT GetLineHeight();
   CXFA_WidgetLayoutData* GetWidgetLayoutData();
 
  protected:
   void ProcessScriptTestValidate(CXFA_Validate validate,
                                  int32_t iRet,
                                  CFXJSE_Value* pRetValue,
                                  bool bVersionFlag);
@@ skipping 22 matching lines @@
                                   FX_FLOAT& fCalcHeight);
   void InitLayoutData();
   void StartTextLayout(FX_FLOAT& fCalcWidth, FX_FLOAT& fCalcHeight);
 
   CXFA_FFDocView* m_pDocView;
   std::unique_ptr<CXFA_WidgetLayoutData> m_pLayoutData;
   uint32_t m_nRecursionDepth;
 };
 
 #endif  // XFA_FXFA_FXFA_WIDGET_H_