Revert the merge. Mac build is mysteriously broken.

third_party/WebKit/WebCore/dom/EventTarget.cpp

 /*
  * This file is part of the DOM implementation for KDE.
  *
  * 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 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  *           (C) 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  *
@@ skipping 26 matching lines @@
 namespace WebCore {
 
 #ifndef NDEBUG
 static int gEventDispatchForbidden = 0;
 #endif
 
 EventTarget::~EventTarget()
 {
 }
 
-Node* EventTarget::toNode()
+EventTargetNode* EventTarget::toNode()
 {
     return 0;
 }
 
 XMLHttpRequest* EventTarget::toXMLHttpRequest()
 {
     return 0;
 }
 
 XMLHttpRequestUpload* EventTarget::toXMLHttpRequestUpload()
@@ skipping 45 matching lines @@
 }
 
 bool eventDispatchForbidden()
 {
     return gEventDispatchForbidden > 0;
 }
 #endif // NDEBUG
 
 } // end namespace