Remove is_fling flag for fling intervention

third_party/WebKit/public/platform/WebInputEvent.h

 /*
  * Copyright (C) 2009 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 617 matching lines @@
 
   // Whether the event is blocking, non-blocking, all event
   // listeners were passive or was forced to be non-blocking.
   DispatchType dispatchType;
 
   // For a single touch, this is true after the touch-point has moved beyond
   // the platform slop region. For a multitouch, this is true after any
   // touch-point has moved (by whatever amount).
   bool movedBeyondSlopRegion;
 
-  // Whether there was an active fling animation when the event was
-  // dispatched.
-  bool dispatchedDuringFling;
-
   // Whether this touch event is a touchstart or a first touchmove event per
   // scroll.
   bool touchStartOrFirstTouchMove;
 
   // A unique identifier for the touch event. Valid ids start at one and
   // increase monotonically. Zero means an unknown id.
   uint32_t uniqueTouchEventId;
 
   WebTouchEvent()
       : WebInputEvent(sizeof(WebTouchEvent)),
         touchesLength(0),
         dispatchType(Blocking),
         movedBeyondSlopRegion(false),
-        dispatchedDuringFling(false),
         touchStartOrFirstTouchMove(false),
         uniqueTouchEventId(0) {}
 };
 
 #pragma pack(pop)
 
 }  // namespace blink
 
 #endif