Remove mouse events from Sky

sky/engine/core/events/NodeEventContext.cpp

 /*
  * Copyright (C) 2014 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 12 matching lines @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
  */
 
 #include "sky/engine/config.h"
 #include "sky/engine/core/events/NodeEventContext.h"
 
 #include "sky/engine/core/dom/TouchList.h"
 #include "sky/engine/core/events/Event.h"
 #include "sky/engine/core/events/FocusEvent.h"
-#include "sky/engine/core/events/MouseEvent.h"
 #include "sky/engine/core/events/TouchEventContext.h"
 
 namespace blink {
 
 DEFINE_EMPTY_DESTRUCTOR_WILL_BE_REMOVED(NodeEventContext)
 
 NodeEventContext::NodeEventContext(PassRefPtr<Node> node, PassRefPtr<EventTarget> currentTarget)
     : m_node(node)
     , m_currentTarget(currentTarget)
 {
     ASSERT(m_node);
 }
 
 void NodeEventContext::handleLocalEvents(Event* event) const
 {
     if (touchEventContext()) {
         touchEventContext()->handleLocalEvents(event);
     } else if (relatedTarget()) {
-        if (event->isMouseEvent()) {
-            toMouseEvent(event)->setRelatedTarget(relatedTarget());
-        } else if (event->isFocusEvent()) {
+        if (event->isFocusEvent())
             toFocusEvent(event)->setRelatedTarget(relatedTarget());
-        }
     }
     event->setTarget(target());
     event->setCurrentTarget(m_currentTarget.get());
     m_node->handleLocalEvents(event);
 }
 
 }