Add API to route end of fling messages from WebLayerTreeView to InputHandler

webkit/compositor_bindings/web_to_ccinput_handler_adapter.h

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef WebToCCInputHandlerAdapter_h
 #define WebToCCInputHandlerAdapter_h
 
 #include "base/memory/scoped_ptr.h"
 #include "cc/input_handler.h"
 #include "third_party/WebKit/Source/Platform/chromium/public/WebInputHandler.h"
 
 namespace WebKit {
 
 class WebToCCInputHandlerAdapter : public cc::InputHandler {
 public:
     static scoped_ptr<WebToCCInputHandlerAdapter> create(scoped_ptr<WebInputHandler>);
     virtual ~WebToCCInputHandlerAdapter();
 
     // cc::InputHandler implementation.
     virtual void bindToClient(cc::InputHandlerClient*) OVERRIDE;
     virtual void animate(base::TimeTicks time) OVERRIDE;
+    virtual void mainThreadHasStoppedFlinging() OVERRIDE;
 
 private:
     explicit WebToCCInputHandlerAdapter(scoped_ptr<WebInputHandler>);
 
     class ClientAdapter;
     scoped_ptr<ClientAdapter> m_clientAdapter;
     scoped_ptr<WebInputHandler> m_handler;
 };
 
 }
 
 #endif // WebToCCInputHandlerAdapter_h