Forward velocity to the fling gesture handler.

Source/WebKit/chromium/src/WebCompositorInputHandlerImpl.cpp

 /*
  * Copyright (C) 2011 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:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 208 matching lines @@
 WebCompositorInputHandlerImpl::EventDisposition WebCompositorInputHandlerImpl::handleGestureFling(const WebGestureEvent& gestureEvent)
 {
     WebInputHandlerClient::ScrollStatus scrollStatus;
 
     if (gestureEvent.sourceDevice == WebGestureEvent::Touchpad) {
         scrollStatus = m_inputHandlerClient->scrollBegin(WebPoint(gestureEvent.x, gestureEvent.y), WebInputHandlerClient::ScrollInputTypeNonBubblingGesture);
     } else {
         if (!m_gestureScrollOnImplThread) {
             scrollStatus = WebInputHandlerClient::ScrollStatusOnMainThread;
         } else {
-            scrollStatus = m_inputHandlerClient->flingScrollBegin();
+            scrollStatus = m_inputHandlerClient->flingScrollBegin(WebFloatSize(gestureEvent.data.flingStart.velocityX, gestureEvent.data.flingStart.velocityY));
         }
     }
 
 #ifndef NDEBUG
     m_expectScrollUpdateEnd = false;
 #endif
 
     switch (scrollStatus) {
     case WebInputHandlerClient::ScrollStatusStarted: {
         if (gestureEvent.sourceDevice == WebGestureEvent::Touchpad)
@@ skipping 142 matching lines @@
     TRACE_EVENT2("webkit", "WebCompositorInputHandlerImpl::notifyCurrentFlingVelocity", "vx", velocity.width, "vy", velocity.height);
     m_inputHandlerClient->notifyCurrentFlingVelocity(toClientScrollIncrement(velocity));
 }
 
 void WebCompositorInputHandlerImpl::mainThreadHasStoppedFlinging()
 {
     m_flingActiveOnMainThread =  false;
 }
 
 }