Cleanup unused methods and return values in FWL code.

xfa/fwl/theme/cfwl_widgettp.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_FWL_THEME_CFWL_WIDGETTP_H_
 #define XFA_FWL_THEME_CFWL_WIDGETTP_H_
 
 #include <memory>
@@ skipping 89 matching lines @@
 class IFWL_Widget;
 
 #if _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_
 class CFX_FontSourceEnum_File;
 #endif
 
 class CFWL_WidgetTP {
  public:
   virtual ~CFWL_WidgetTP();
 
-  virtual FWL_Error Initialize();
-  virtual FWL_Error Finalize();
+  virtual void Initialize();
+  virtual void Finalize();
 
   virtual bool IsValidWidget(IFWL_Widget* pWidget);
   virtual uint32_t GetThemeID(IFWL_Widget* pWidget);
   virtual uint32_t SetThemeID(IFWL_Widget* pWidget, uint32_t dwThemeID);
-  virtual FWL_Error GetThemeMatrix(IFWL_Widget* pWidget, CFX_Matrix& matrix);
-  virtual FWL_Error SetThemeMatrix(IFWL_Widget* pWidget,
-                                   const CFX_Matrix& matrix);
-  virtual FX_BOOL DrawBackground(CFWL_ThemeBackground* pParams);
-  virtual FX_BOOL DrawText(CFWL_ThemeText* pParams);
+
+  virtual void DrawBackground(CFWL_ThemeBackground* pParams);
+  virtual void DrawText(CFWL_ThemeText* pParams);
   virtual void* GetCapacity(CFWL_ThemePart* pThemePart,
                             CFWL_WidgetCapacity dwCapacity);
-  virtual FX_BOOL IsCustomizedLayout(IFWL_Widget* pWidget);
-  virtual FX_BOOL CalcTextRect(CFWL_ThemeText* pParams, CFX_RectF& rect);
+  virtual bool IsCustomizedLayout(IFWL_Widget* pWidget);
+  virtual void CalcTextRect(CFWL_ThemeText* pParams, CFX_RectF& rect);
 
-  FWL_Error SetFont(IFWL_Widget* pWidget,
-                    const FX_WCHAR* strFont,
-                    FX_FLOAT fFontSize,
-                    FX_ARGB rgbFont);
-  FWL_Error SetFont(IFWL_Widget* pWidget,
-                    CFGAS_GEFont* pFont,
-                    FX_FLOAT fFontSize,
-                    FX_ARGB rgbFont);
+  void SetFont(IFWL_Widget* pWidget,
+               const FX_WCHAR* strFont,
+               FX_FLOAT fFontSize,
+               FX_ARGB rgbFont);
+  void SetFont(IFWL_Widget* pWidget,
+               CFGAS_GEFont* pFont,
+               FX_FLOAT fFontSize,
+               FX_ARGB rgbFont);
   CFGAS_GEFont* GetFont(IFWL_Widget* pWidget);
 
  protected:
   CFWL_WidgetTP();
-  FWL_Error InitTTO();
-  FWL_Error FinalizeTTO();
+
+  void InitTTO();
+  void FinalizeTTO();
+
   void DrawEdge(CFX_Graphics* pGraphics,
                 uint32_t dwStyles,
                 const CFX_RectF* pRect,
                 CFX_Matrix* pMatrix = nullptr);
   void Draw3DRect(CFX_Graphics* pGraphics,
                   FWLTHEME_EDGE eType,
                   FX_FLOAT fWidth,
                   const CFX_RectF* pRect,
                   FX_ARGB cr1,
                   FX_ARGB cr2,
@@ skipping 62 matching lines @@
                     FWLTHEME_DIRECTION eDict,
                     FWLTHEME_STATE eState,
                     CFX_Matrix* pMatrix = nullptr);
   uint32_t m_dwRefCount;
   std::unique_ptr<CFDE_TextOut> m_pTextOut;
   CFGAS_GEFont* m_pFDEFont;
   FX_FLOAT m_fValue;
   uint32_t m_dwValue;
   CFX_RectF m_rtMargin;
   uint32_t m_dwThemeID;
-  CFX_Matrix _ctm;
 };
 
 void FWLTHEME_Release();
 uint32_t FWL_GetThemeLayout(uint32_t dwThemeID);
 uint32_t FWL_GetThemeColor(uint32_t dwThemeID);
 
 class CFWL_FontData {
  public:
   CFWL_FontData();
   virtual ~CFWL_FontData();
@@ skipping 28 matching lines @@
 
  protected:
   CFWL_FontManager();
   virtual ~CFWL_FontManager();
 
   static CFWL_FontManager* s_FontManager;
   std::vector<std::unique_ptr<CFWL_FontData>> m_FontsArray;
 };
 
 #endif  // XFA_FWL_THEME_CFWL_WIDGETTP_H_