Break apart WebGestureEvent from WebInputEvent.

third_party/WebKit/public/web/WebActiveWheelFlingParameters.h

 /*
  * Copyright (C) 2012 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 13 matching lines @@
  */
 
 #ifndef WebActiveWheelFlingParameters_h
 #define WebActiveWheelFlingParameters_h
 
 #include "../platform/WebCommon.h"
 #include "../platform/WebFloatPoint.h"
 #include "../platform/WebGestureDevice.h"
 #include "../platform/WebPoint.h"
 #include "../platform/WebSize.h"
-#include "WebInputEvent.h"
 
 namespace blink {
 
 struct WebActiveWheelFlingParameters {
   WebFloatPoint delta;
   WebPoint point;
   WebPoint globalPoint;
   int modifiers;
   WebGestureDevice sourceDevice;
   WebSize cumulativeScroll;
   double startTime;
 
   WebActiveWheelFlingParameters()
       : modifiers(0), sourceDevice(WebGestureDeviceTouchpad), startTime(0) {}
 };
 }
 
 #endif