Populates sourceDevice attribute into MouseEvent

Source/core/events/TouchEvent.cpp

 /*
  * Copyright 2008, The Android Open Source Project
  * Copyright (C) 2012 Research In Motion Limited. 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 copyright
@@ skipping 29 matching lines @@
 TouchEvent::TouchEvent()
 {
 }
 
 TouchEvent::TouchEvent(TouchList* touches, TouchList* targetTouches,
         TouchList* changedTouches, const AtomicString& type,
         PassRefPtrWillBeRawPtr<AbstractView> view,
         bool ctrlKey, bool altKey, bool shiftKey, bool metaKey, bool cancelable, bool causesScrollingIfUncanceled,
         double uiCreateTime)
     // Pass a sourceDevice which fires touchevents when creating this touchevent, which is always created from input devices from EventHandler.
-    : UIEventWithKeyState(type, true, cancelable, view, 0, ctrlKey, altKey, shiftKey, metaKey, InputDevice::touchEventInstance())
+    : UIEventWithKeyState(type, true, cancelable, view, 0, ctrlKey, altKey, shiftKey, metaKey, InputDevice::firesTouchEventsInputDevice())
     , m_touches(touches)
     , m_targetTouches(targetTouches)
     , m_changedTouches(changedTouches)
     , m_causesScrollingIfUncanceled(causesScrollingIfUncanceled)
 {
     setUICreateTime(uiCreateTime);
 }
 
 TouchEvent::~TouchEvent()
 {
@@ skipping 71 matching lines @@
     return toTouchEvent(EventDispatchMediator::event());
 }
 
 bool TouchEventDispatchMediator::dispatchEvent(EventDispatcher& dispatcher) const
 {
     event().eventPath().adjustForTouchEvent(event());
     return dispatcher.dispatch();
 }
 
 } // namespace blink