Replace IFGAS_Font with underlying concrete type

xfa/fde/fde_gedevice.h

Index: xfa/fde/fde_gedevice.h
diff --git a/xfa/fde/fde_gedevice.h b/xfa/fde/fde_gedevice.h
index fb0d8c117ac0a8983754eee381312ac9127a9bb4..1b351b08983086b93d5298a8050b188aca25faa1 100644
--- a/xfa/fde/fde_gedevice.h
+++ b/xfa/fde/fde_gedevice.h
@@ -15,7 +15,7 @@ typedef struct FDE_HDEVICESTATE_ { void* pData; } * FDE_HDEVICESTATE;
 class CFDE_Brush;
 class CFDE_Path;
 class CFDE_Pen;
-class IFX_Font;
+class CFX_GEFont;
 
 class CFDE_RenderDevice : public CFX_Target {
  public:
@@ -40,7 +40,7 @@ class CFDE_RenderDevice : public CFX_Target {
                     const CFX_Matrix* pImgMatrix = NULL,
                     const CFX_Matrix* pDevMatrix = NULL);
   FX_BOOL DrawString(CFDE_Brush* pBrush,
-                     IFX_Font* pFont,
+                     CFX_GEFont* pFont,
                      const FXTEXT_CHARPOS* pCharPos,
                      int32_t iCount,
                      FX_FLOAT fFontSize,
@@ -101,13 +101,13 @@ class CFDE_RenderDevice : public CFX_Target {
                         const CFX_Matrix* pMatrix = NULL);
 
   FX_BOOL DrawSolidString(CFDE_Brush* pBrush,
-                          IFX_Font* pFont,
+                          CFX_GEFont* pFont,
                           const FXTEXT_CHARPOS* pCharPos,
                           int32_t iCount,
                           FX_FLOAT fFontSize,
                           const CFX_Matrix* pMatrix);
   FX_BOOL DrawStringPath(CFDE_Brush* pBrush,
-                         IFX_Font* pFont,
+                         CFX_GEFont* pFont,
                          const FXTEXT_CHARPOS* pCharPos,
                          int32_t iCount,
                          FX_FLOAT fFontSize,