Allow touch events to be uncancelable

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 439 matching lines @@
         m_modifiers |= PlatformEvent::CtrlKey;
     if (event.modifiers & WebInputEvent::AltKey)
         m_modifiers |= PlatformEvent::AltKey;
     if (event.modifiers & WebInputEvent::MetaKey)
         m_modifiers |= PlatformEvent::MetaKey;
 
     m_timestamp = event.timeStampSeconds;
 
     for (unsigned i = 0; i < event.touchesLength; ++i)
         m_touchPoints.append(PlatformTouchPointBuilder(widget, event.touches[i]));
+
+    m_cancelable = event.cancelable;
 }
 
 static int getWebInputModifiers(const UIEventWithKeyState& event)
 {
     int modifiers = 0;
     if (event.ctrlKey())
         modifiers |= WebInputEvent::ControlKey;
     if (event.shiftKey())
         modifiers |= WebInputEvent::ShiftKey;
     if (event.altKey())
@@ skipping 283 matching lines @@
     else if (event.type() == EventTypeNames::touchcancel)
         type = TouchCancel;
     else {
         ASSERT_NOT_REACHED();
         type = Undefined;
         return;
     }
 
     modifiers = getWebInputModifiers(event);
     timeStampSeconds = event.timeStamp() / millisPerSecond;
+    cancelable = event.cancelable();
 
     addTouchPoints(widget, event.type(), event.touches(), touches, &touchesLength, renderObject);
     addTouchPoints(widget, event.type(), event.changedTouches(), changedTouches, &changedTouchesLength, renderObject);
     addTouchPoints(widget, event.type(), event.targetTouches(), targetTouches, &targetTouchesLength, renderObject);
 }
 
 WebGestureEventBuilder::WebGestureEventBuilder(const Widget* widget, const WebCore::RenderObject* renderObject, const GestureEvent& event)
 {
     if (event.type() == EventTypeNames::gestureshowpress)
         type = GestureShowPress;
@@ skipping 16 matching lines @@
     modifiers = getWebInputModifiers(event);
 
     globalX = event.screenX();
     globalY = event.screenY();
     IntPoint localPoint = convertAbsoluteLocationForRenderObject(event.absoluteLocation(), *renderObject);
     x = localPoint.x();
     y = localPoint.y();
 }
 
 } // namespace blink