Add PlatformLocalFrame class.

third_party/WebKit/Source/platform/PlatformChromeClient.h

 /*
  * Copyright (C) 2008 Apple Inc.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 15 matching lines @@
 #ifndef PlatformChromeClient_h
 #define PlatformChromeClient_h
 
 #include "platform/PlatformExport.h"
 #include "platform/heap/Handle.h"
 #include "platform/wtf/Allocator.h"
 #include "platform/wtf/Noncopyable.h"
 
 namespace blink {
 class IntRect;
-class FrameViewBase;
-class LocalFrame;
+class PlatformLocalFrame;
 
 class PLATFORM_EXPORT PlatformChromeClient
     : public GarbageCollectedFinalized<PlatformChromeClient> {
   WTF_MAKE_NONCOPYABLE(PlatformChromeClient);
 
  public:
   PlatformChromeClient() {}
   virtual ~PlatformChromeClient() {}
   DEFINE_INLINE_VIRTUAL_TRACE() {}
 
   // Requests the host invalidate the contents.
   virtual void InvalidateRect(const IntRect& update_rect) = 0;
 
   // Converts the rect from the viewport coordinates to screen coordinates.
   virtual IntRect ViewportToScreen(const IntRect&,
-                                   const FrameViewBase*) const = 0;
+                                   const PlatformLocalFrame*) const = 0;
 
   // Converts the scalar value from the window coordinates to the viewport
   // scale.
   virtual float WindowToViewportScalar(const float) const = 0;
 
-  virtual void ScheduleAnimation(LocalFrame*) = 0;
+  virtual void ScheduleAnimation(const PlatformLocalFrame*) = 0;
 };
 
 }  // namespace blink
 
 #endif  // PlatformChromeClient_h