blink: Cleanup class/struct forward declarations

third_party/WebKit/public/web/WebWidget.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 32 matching lines @@
 #include "WebCompositionUnderline.h"
 #include "WebRange.h"
 #include "WebTextDirection.h"
 
 namespace blink {
 
 class WebCompositeAndReadbackAsyncCallback;
 class WebInputEvent;
 class WebLayoutAndPaintAsyncCallback;
 class WebPagePopup;
-class WebString;
 struct WebPoint;
 template <typename T>
 class WebVector;
 
 class WebWidget {
  public:
   // This method closes and deletes the WebWidget.
   virtual void close() {}
 
   // Returns the current size of the WebWidget.
@@ skipping 168 matching lines @@
   // replaced.
   virtual void applyReplacementRange(const WebRange&) {}
 
  protected:
   ~WebWidget() {}
 };
 
 }  // namespace blink
 
 #endif