Make touch events uncancelable during fling when they are on the current active scroll layer

third_party/WebKit/Source/web/WebInputEventConversion.cpp

 /*
  * 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 447 matching lines @@
   m_rotationAngle = point.rotationAngle;
 }
 
 PlatformTouchEventBuilder::PlatformTouchEventBuilder(
     Widget* widget,
     const WebTouchEvent& event) {
   m_type = toPlatformTouchEventType(event.type);
   m_modifiers = event.modifiers;
   m_timestamp = event.timeStampSeconds;
   m_causesScrollingIfUncanceled = event.movedBeyondSlopRegion;
-  m_dispatchedDuringFling = event.dispatchedDuringFling;
   m_touchStartOrFirstTouchMove = event.touchStartOrFirstTouchMove;
 
   for (unsigned i = 0; i < event.touchesLength; ++i)
     m_touchPoints.append(PlatformTouchPointBuilder(widget, event.touches[i]));
 
   m_dispatchType = toPlatformDispatchType(event.dispatchType);
   m_uniqueTouchEventId = event.uniqueTouchEventId;
 }
 
 static FloatPoint convertAbsoluteLocationForLayoutObjectFloat(
@@ skipping 344 matching lines @@
       break;
     case GestureSourceTouchscreen:
       sourceDevice = WebGestureDeviceTouchscreen;
       break;
     case GestureSourceUninitialized:
       NOTREACHED();
   }
 }
 
 }  // namespace blink