Add WebWidgetTestProxy.

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 190 matching lines @@
 
     // Changes the text direction of the selected input node.
     virtual void setTextDirection(WebTextDirection) { }
 
     // Returns true if the WebWidget uses GPU accelerated compositing
     // to render its contents.
     virtual bool isAcceleratedCompositingActive() const { return false; }
 
     // Returns true if the WebWidget created is of type WebView.
     virtual bool isWebView() const { return false; }
+
+    // Returns true if the WebWidget created is of type WebFrameWidget.
+    virtual bool isWebFrameWidget() const { return false; }
+
     // Returns true if the WebWidget created is of type WebPagePopup.
     virtual bool isPagePopup() const { return false; }
 
     // The WebLayerTreeView initialized on this WebWidgetClient will be going away and
     // is no longer safe to access.
     virtual void willCloseLayerTreeView() { }
 
     // Calling WebWidgetClient::requestPointerLock() will result in one
     // return call to didAcquirePointerLock() or didNotAcquirePointerLock().
     virtual void didAcquirePointerLock() { }
@@ skipping 30 matching lines @@
     // Applies the range from |start| to |start + length| on the foucsed frame so that the text will later be replaced.
     virtual void applyReplacementRange(int start, int length) {}
 
 protected:
     ~WebWidget() { }
 };
 
 } // namespace blink
 
 #endif