Mark touchcancel events as uncancelable

content/browser/frame_host/render_widget_host_view_guest.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 "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/message_loop/message_loop.h"
 #include "content/browser/browser_plugin/browser_plugin_guest.h"
 #include "content/browser/frame_host/render_widget_host_view_guest.h"
@@ skipping 515 matching lines @@
 }
 
 void RenderWidgetHostViewGuest::DispatchCancelTouchEvent(
     ui::TouchEvent* event) {
   if (!host_)
     return;
 
   blink::WebTouchEvent cancel_event;
   cancel_event.type = blink::WebInputEvent::TouchCancel;
   cancel_event.timeStampSeconds = event->time_stamp().InSecondsF();
+  cancel_event.cancelable = false;
   host_->ForwardTouchEventWithLatencyInfo(cancel_event, *event->latency());
 }
 
 bool RenderWidgetHostViewGuest::ForwardGestureEventToRenderer(
     ui::GestureEvent* gesture) {
 #if defined(USE_AURA)
   if (!host_)
     return false;
 
   if ((gesture->type() == ui::ET_GESTURE_PINCH_BEGIN ||
@@ skipping 34 matching lines @@
       ++g_it) {
     ForwardGestureEventToRenderer(*g_it);
   }
 }
 
 SkBitmap::Config RenderWidgetHostViewGuest::PreferredReadbackFormat() {
   return SkBitmap::kARGB_8888_Config;
 }
 
 }  // namespace content