Oilpan: Remove ref counting from EventTarget and all uses of Pass/RefPtr<EventTarget>.

Source/core/frame/DOMWindow.h

 /*
  * Copyright (C) 2006, 2007, 2009, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  *
  * 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
@@ skipping 239 matching lines @@
 
         DOMWindowCSS& css() const;
 
         // Events
         // EventTarget API
         virtual bool addEventListener(const AtomicString& eventType, PassRefPtr<EventListener>, bool useCapture = false) OVERRIDE;
         virtual bool removeEventListener(const AtomicString& eventType, EventListener*, bool useCapture = false) OVERRIDE;
         virtual void removeAllEventListeners() OVERRIDE;
 
         using EventTarget::dispatchEvent;
-        bool dispatchEvent(PassRefPtrWillBeRawPtr<Event> prpEvent, PassRefPtr<EventTarget> prpTarget);
+        bool dispatchEvent(PassRefPtrWillBeRawPtr<Event> prpEvent, PassRefPtrWillBeRawPtr<EventTarget> prpTarget);
 
         void dispatchLoadEvent();
 
         DEFINE_ATTRIBUTE_EVENT_LISTENER(animationend);
         DEFINE_ATTRIBUTE_EVENT_LISTENER(animationiteration);
         DEFINE_ATTRIBUTE_EVENT_LISTENER(animationstart);
         DEFINE_ATTRIBUTE_EVENT_LISTENER(search);
         DEFINE_ATTRIBUTE_EVENT_LISTENER(transitionend);
         DEFINE_ATTRIBUTE_EVENT_LISTENER(wheel);
 
@@ skipping 129 matching lines @@
     }
 
     inline String DOMWindow::defaultStatus() const
     {
         return m_defaultStatus;
     }
 
 } // namespace WebCore
 
 #endif // DOMWindow_h