Revert the merge. Mac build is mysteriously broken.

third_party/WebKit/WebCore/dom/MouseEvent.h

 /*
  * Copyright (C) 2001 Peter Kelly (pmk@post.com)
  * Copyright (C) 2001 Tobias Anton (anton@stud.fbi.fh-darmstadt.de)
  * Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com)
  * Copyright (C) 2003, 2004, 2005, 2006, 2008 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  *
  */
 
 #ifndef MouseEvent_h
 #define MouseEvent_h
 
 #include "Clipboard.h"
+#include "EventTargetNode.h"
 #include "MouseRelatedEvent.h"
 
 namespace WebCore {
 
     // Introduced in DOM Level 2
     class MouseEvent : public MouseRelatedEvent {
     public:
         static PassRefPtr<MouseEvent> create()
         {
             return adoptRef(new MouseEvent);
         }
         static PassRefPtr<MouseEvent> create(const AtomicString& type, bool canBubble, bool cancelable, PassRefPtr<AbstractView> view,
             int detail, int screenX, int screenY, int pageX, int pageY,
             bool ctrlKey, bool altKey, bool shiftKey, bool metaKey, unsigned short button,
-            PassRefPtr<EventTarget> relatedTarget, PassRefPtr<Clipboard> clipboard = 0, bool isSimulated = false)
+            PassRefPtr<EventTargetNode> relatedTarget, PassRefPtr<Clipboard> clipboard = 0, bool isSimulated = false)
         {
             return adoptRef(new MouseEvent(type, canBubble, cancelable, view, detail, screenX, screenY, pageX, pageY,
                 ctrlKey, altKey, shiftKey, metaKey, button, relatedTarget, clipboard, isSimulated));
         }
         virtual ~MouseEvent();
 
         void initMouseEvent(const AtomicString& type, bool canBubble, bool cancelable, PassRefPtr<AbstractView>,
                             int detail, int screenX, int screenY, int clientX, int clientY,
                             bool ctrlKey, bool altKey, bool shiftKey, bool metaKey,
-                            unsigned short button, PassRefPtr<EventTarget> relatedTarget);
+                            unsigned short button, PassRefPtr<EventTargetNode> relatedTarget);
 
         // WinIE uses 1,4,2 for left/middle/right but not for click (just for mousedown/up, maybe others),
         // but we will match the standard DOM.
         unsigned short button() const { return m_button; }
         bool buttonDown() const { return m_buttonDown; }
-        EventTarget* relatedTarget() const { return m_relatedTarget.get(); }
+        EventTargetNode* relatedTarget() const { return m_relatedTarget.get(); }
 
         Clipboard* clipboard() const { return m_clipboard.get(); }
 
         Node* toElement() const;
         Node* fromElement() const;
 
         Clipboard* dataTransfer() const { return isDragEvent() ? m_clipboard.get() : 0; }
 
         virtual bool isMouseEvent() const;
         virtual bool isDragEvent() const;
         virtual int which() const;
 
     private:
         MouseEvent();
         MouseEvent(const AtomicString& type, bool canBubble, bool cancelable, PassRefPtr<AbstractView>,
                    int detail, int screenX, int screenY, int pageX, int pageY,
                    bool ctrlKey, bool altKey, bool shiftKey, bool metaKey, unsigned short button,
-                   PassRefPtr<EventTarget> relatedTarget, PassRefPtr<Clipboard> clipboard, bool isSimulated);
+                   PassRefPtr<EventTargetNode> relatedTarget, PassRefPtr<Clipboard> clipboard, bool isSimulated);
 
         unsigned short m_button;
         bool m_buttonDown;
-        RefPtr<EventTarget> m_relatedTarget;
+        RefPtr<EventTargetNode> m_relatedTarget;
         RefPtr<Clipboard> m_clipboard;
     };
 
 } // namespace WebCore
 
 #endif // MouseEvent_h