Mark touchcancel events as uncancelable

content/browser/renderer_host/input/touch_emulator.cc

 // Copyright 2014 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.
 
 #include "content/browser/renderer_host/input/touch_emulator.h"
 
 #include "content/browser/renderer_host/input/motion_event_web.h"
 #include "content/browser/renderer_host/input/web_input_event_util.h"
 #include "content/public/common/content_client.h"
 #include "content/public/common/content_switches.h"
@@ skipping 236 matching lines @@
   }
 }
 
 void TouchEmulator::CancelTouch() {
   if (!touch_active_)
     return;
 
   touch_event_.timeStampSeconds =
       (base::TimeTicks::Now() - base::TimeTicks()).InSecondsF();
   touch_event_.type = WebInputEvent::TouchCancel;
+  touch_event_.cancelable = false;
   touch_event_.touches[0].state = WebTouchPoint::StateCancelled;
   touch_active_ = false;
   if (gesture_provider_.OnTouchEvent(MotionEventWeb(touch_event_)))
     client_->ForwardTouchEvent(touch_event_);
 }
 
 void TouchEmulator::UpdateCursor() {
   if (!enabled_)
     client_->SetCursor(pointer_cursor_);
   else
@@ skipping 95 matching lines @@
       NOTREACHED();
   }
   return true;
 }
 
 bool TouchEmulator::InPinchGestureMode() const {
   return shift_pressed_ && allow_pinch_;
 }
 
 }  // namespace content