compositor-worker: Add CompositorProxyClient worker client of CompositorWorker.

third_party/WebKit/Source/core/page/ChromeClient.h

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple, Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
  * Copyright (C) 2012 Samsung Electronics. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 30 matching lines @@
 #include "wtf/Forward.h"
 #include "wtf/PassOwnPtr.h"
 #include "wtf/Vector.h"
 
 namespace blink {
 
 class AXObject;
 class ColorChooser;
 class ColorChooserClient;
 class CompositorAnimationTimeline;
+class CompositorProxyClient;
 class DateTimeChooser;
 class DateTimeChooserClient;
 class Element;
 class FileChooser;
 class FloatPoint;
 class Frame;
 class GraphicsContext;
 class GraphicsLayer;
 class HTMLFormControlElement;
 class HTMLInputElement;
@@ skipping 201 matching lines @@
 
     virtual void showUnhandledTapUIIfNeeded(IntPoint, Node*, bool) { }
 
     virtual void onMouseDown(Node*) { }
 
     virtual void didUpdateTopControls() const { }
 
     virtual void registerPopupOpeningObserver(PopupOpeningObserver*) = 0;
     virtual void unregisterPopupOpeningObserver(PopupOpeningObserver*) = 0;
 
+    virtual CompositorProxyClient* createCompositorProxyClient(LocalFrame*) = 0;
+
     virtual FloatSize elasticOverscroll() const { return FloatSize(); }
 
     // Called when observed XHR, fetch, and other fetch request with non-GET
     // method is initiated from javascript. At this time, it is not guaranteed
     // that this is comprehensive.
     virtual void didObserveNonGetFetchFromScript() const {}
 
     virtual PassOwnPtr<WebFrameScheduler> createFrameScheduler(BlameContext*) = 0;
 
     // Returns the time of the beginning of the last beginFrame, in seconds, if any, and 0.0 otherwise.
@@ skipping 16 matching lines @@
 
     LayoutPoint m_lastToolTipPoint;
     String m_lastToolTipText;
 
     FRIEND_TEST_ALL_PREFIXES(ChromeClientTest, SetToolTipFlood);
 };
 
 } // namespace blink
 
 #endif // ChromeClient_h