Cleanup IFPF_* interfaces.

core/fxge/android/fx_android_font.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 CORE_FXGE_ANDROID_FX_ANDROID_FONT_H_
 #define CORE_FXGE_ANDROID_FX_ANDROID_FONT_H_
 
 #include "core/fxcrt/include/fx_system.h"
 
 #if _FX_OS_ == _FX_ANDROID_
 
 #include "core/fxge/include/fx_font.h"
 
-class IFPF_FontMgr;
+class CFPF_SkiaFontMgr;
 
 class CFX_AndroidFontInfo : public IFX_SystemFontInfo {
  public:
   CFX_AndroidFontInfo();
   virtual void Release() { delete this; }
 
   virtual FX_BOOL EnumFontList(CFX_FontMapper* pMapper);
 
   virtual void* MapFont(int weight,
                         FX_BOOL bItalic,
                         int charset,
                         int pitch_family,
                         const FX_CHAR* face,
                         int& bExact);
 
   virtual void* GetFont(const FX_CHAR* face);
   virtual uint32_t GetFontData(void* hFont,
                                uint32_t table,
                                uint8_t* buffer,
                                uint32_t size);
   virtual FX_BOOL GetFaceName(void* hFont, CFX_ByteString& name);
   virtual FX_BOOL GetFontCharset(void* hFont, int& charset);
 
   virtual void DeleteFont(void* hFont);
   virtual void* RetainFont(void* hFont);
-  FX_BOOL Init(IFPF_FontMgr* pFontMgr);
+  FX_BOOL Init(CFPF_SkiaFontMgr* pFontMgr);
 
  protected:
-  IFPF_FontMgr* m_pFontMgr;
+  CFPF_SkiaFontMgr* m_pFontMgr;
 };
-#endif
+
+#endif  // _FX_OS_ == _FX_ANDROID_
 
 #endif  // CORE_FXGE_ANDROID_FX_ANDROID_FONT_H_