Revert 146744 "Refactoring: Pull Node::disabled() and Node::isIn..."

Source/WebCore/dom/EventDispatcher.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 61 matching lines @@
 
 void EventDispatcher::dispatchScopedEvent(Node* node, PassRefPtr<EventDispatchMediator> mediator)
 {
     // We need to set the target here because it can go away by the time we actually fire the event.
     mediator->event()->setTarget(EventRetargeter::eventTargetRespectingTargetRules(node));
     ScopedEventQueue::instance()->enqueueEventDispatchMediator(mediator);
 }
 
 void EventDispatcher::dispatchSimulatedClick(Node* node, Event* underlyingEvent, SimulatedClickMouseEventOptions mouseEventOptions, SimulatedClickVisualOptions visualOptions)
 {
-    if (node->isElementNode() && toElement(node)->disabled())
+    if (node->disabled())
         return;
 
     if (!gNodesDispatchingSimulatedClicks)
         gNodesDispatchingSimulatedClicks = new HashSet<Node*>;
     else if (gNodesDispatchingSimulatedClicks->contains(node))
         return;
 
     gNodesDispatchingSimulatedClicks->add(node);
 
     if (mouseEventOptions == SendMouseOverUpDownEvents)
@@ skipping 131 matching lines @@
         }
     }
 }
 
 const EventContext* EventDispatcher::topEventContext()
 {
     return m_eventPath.isEmpty() ? 0 : m_eventPath.last().get();
 }
 
 }