blink: Cleanup class/struct forward declarations

third_party/WebKit/public/web/WebWidgetClient.h

 /*
  * Copyright (C) 2009 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 30 matching lines @@
 #include "public/platform/WebScreenInfo.h"
 #include "public/web/WebMeaningfulLayout.h"
 #include "public/web/WebTextDirection.h"
 #include "public/web/WebTouchAction.h"
 
 namespace blink {
 
 class WebDragData;
 class WebGestureEvent;
 class WebImage;
-class WebLocalFrame;
 class WebNode;
 class WebString;
 class WebWidget;
 struct WebCursorInfo;
 struct WebFloatPoint;
 struct WebFloatRect;
 struct WebFloatSize;
-struct WebSize;
 
 class WebWidgetClient {
  public:
   // Called when a region of the WebWidget needs to be re-painted.
   virtual void didInvalidateRect(const WebRect&) {}
 
   // Attempt to initialize compositing for this widget. If this is successful,
   // layerTreeView() will return a valid WebLayerTreeView.
   virtual void initializeLayerTreeView() {}
 
@@ skipping 123 matching lines @@
                              const WebImage& dragImage,
                              const WebPoint& dragImageOffset) {}
 
  protected:
   ~WebWidgetClient() {}
 };
 
 }  // namespace blink
 
 #endif