Replace IFGAS_Font with underlying concrete type

xfa/fwl/theme/cfwl_widgettp.h

Index: xfa/fwl/theme/cfwl_widgettp.h
diff --git a/xfa/fwl/theme/cfwl_widgettp.h b/xfa/fwl/theme/cfwl_widgettp.h
index 971b6f09b140438b85b4ffa52619ff110a14cfb1..20be62619e699a7e60847f4f7965ad6e0d3a0ecd 100644
--- a/xfa/fwl/theme/cfwl_widgettp.h
+++ b/xfa/fwl/theme/cfwl_widgettp.h
@@ -91,14 +91,14 @@ enum class CFWL_WidgetCapacity {
   Width
 };
 
-class IFWL_Widget;
 class CFDE_TextOut;
-class IFGAS_Font;
-class IFGAS_FontMgr;
+class CFGAS_GEFont;
 class CFWL_ArrowData;
 class CFWL_ThemeBackground;
 class CFWL_ThemePart;
 class CFWL_ThemeText;
+class IFGAS_FontMgr;
+class IFWL_Widget;
 
 #if _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_
 class CFX_FontSourceEnum_File;
@@ -135,10 +135,10 @@ class CFWL_WidgetTP {
                     FX_FLOAT fFontSize,
                     FX_ARGB rgbFont);
   FWL_Error SetFont(IFWL_Widget* pWidget,
-                    IFGAS_Font* pFont,
+                    CFGAS_GEFont* pFont,
                     FX_FLOAT fFontSize,
                     FX_ARGB rgbFont);
-  IFGAS_Font* GetFont(IFWL_Widget* pWidget);
+  CFGAS_GEFont* GetFont(IFWL_Widget* pWidget);
 
  protected:
   CFWL_WidgetTP();
@@ -221,7 +221,7 @@ class CFWL_WidgetTP {
                     CFX_Matrix* pMatrix = NULL);
   uint32_t m_dwRefCount;
   std::unique_ptr<CFDE_TextOut> m_pTextOut;
-  IFGAS_Font* m_pFDEFont;
+  CFGAS_GEFont* m_pFDEFont;
   FX_FLOAT m_fValue;
   uint32_t m_dwValue;
   CFX_RectF m_rtMargin;
@@ -264,13 +264,13 @@ class CFWL_FontData {
   FX_BOOL LoadFont(const CFX_WideStringC& wsFontFamily,
                    uint32_t dwFontStyles,
                    uint16_t wCodePage);
-  IFGAS_Font* GetFont() const { return m_pFont; }
+  CFGAS_GEFont* GetFont() const { return m_pFont; }
 
  protected:
   CFX_WideString m_wsFamily;
   uint32_t m_dwStyles;
   uint32_t m_dwCodePage;
-  IFGAS_Font* m_pFont;
+  CFGAS_GEFont* m_pFont;
   IFGAS_FontMgr* m_pFontMgr;
 #if _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_
   CFX_FontSourceEnum_File* m_pFontSource;
@@ -282,9 +282,9 @@ class CFWL_FontManager {
   static CFWL_FontManager* GetInstance();
   static void DestroyInstance();
 
-  IFGAS_Font* FindFont(const CFX_WideStringC& wsFontFamily,
-                       uint32_t dwFontStyles,
-                       uint16_t dwCodePage);
+  CFGAS_GEFont* FindFont(const CFX_WideStringC& wsFontFamily,
+                         uint32_t dwFontStyles,
+                         uint16_t dwCodePage);
 
  protected:
   CFWL_FontManager();