Remove all fling related stuff from the renderer assuming that browser side

content/renderer/gpu/input_handler_proxy_client.h

 // Copyright (c) 2013 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 CONTENT_RENDERER_GPU_INPUT_HANDLER_PROXY_CLIENT_H_
 #define CONTENT_RENDERER_GPU_INPUT_HANDLER_PROXY_CLIENT_H_
 
 namespace WebKit {
-class WebGestureCurve;
-struct WebActiveWheelFlingParameters;
 struct WebFloatPoint;
 struct WebSize;
 }
 
 namespace content {
 
 // All callbacks invoked from the compositor thread.
 class InputHandlerProxyClient {
  public:
   // Called just before the InputHandlerProxy shuts down.
   virtual void WillShutdown() = 0;
 
-  // Transfers an active wheel fling animation initiated by a previously
-  // handled input event out to the client.
-  virtual void TransferActiveWheelFlingAnimation(
-      const WebKit::WebActiveWheelFlingParameters& params) = 0;
-
-  // Creates a new fling animation curve instance for device |device_source|
-  // with |velocity| and already scrolled |cumulative_scroll| pixels.
-  virtual WebKit::WebGestureCurve* CreateFlingAnimationCurve(
-      int device_source,
-      const WebKit::WebFloatPoint& velocity,
-      const WebKit::WebSize& cumulative_scroll) = 0;
-
   virtual void DidOverscroll(const cc::DidOverscrollParams& params) = 0;
 
  protected:
   virtual ~InputHandlerProxyClient() {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_GPU_INPUT_HANDLER_PROXY_CLIENT_H_