Avoid leaking objects between isolated worlds via attribute event listeners

Source/core/dom/Document.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2008, 2009, 2011, 2012 Google Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) Research In Motion Limited 2010-2011. All rights reserved.
@@ skipping 3434 matching lines @@
 {
     if (!m_ranges.isEmpty()) {
         HashSet<Range*>::const_iterator end = m_ranges.end();
         for (HashSet<Range*>::const_iterator it = m_ranges.begin(); it != end; ++it)
             (*it)->textNodeSplit(oldNode);
     }
 
     // FIXME: This should update markers for spelling and grammar checking.
 }
 
-void Document::setWindowAttributeEventListener(const AtomicString& eventType, PassRefPtr<EventListener> listener)
+void Document::setWindowAttributeEventListener(const AtomicString& eventType, PassRefPtr<EventListener> listener, DOMWrapperWorld* isolatedWorld)
 {
     DOMWindow* domWindow = this->domWindow();
     if (!domWindow)
         return;
-    domWindow->setAttributeEventListener(eventType, listener);
+    domWindow->setAttributeEventListener(eventType, listener, isolatedWorld);
 }
 
-EventListener* Document::getWindowAttributeEventListener(const AtomicString& eventType)
+EventListener* Document::getWindowAttributeEventListener(const AtomicString& eventType, DOMWrapperWorld* isolatedWorld)
 {
     DOMWindow* domWindow = this->domWindow();
     if (!domWindow)
         return 0;
-    return domWindow->getAttributeEventListener(eventType);
+    return domWindow->getAttributeEventListener(eventType, isolatedWorld);
 }
 
 void Document::dispatchWindowEvent(PassRefPtr<Event> event,  PassRefPtr<EventTarget> target)
 {
     ASSERT(!NoEventDispatchAssertion::isEventDispatchForbidden());
     DOMWindow* domWindow = this->domWindow();
     if (!domWindow)
         return;
     domWindow->dispatchEvent(event, target);
 }
@@ skipping 1701 matching lines @@
 }
 
 void Document::addLifecycleObserver(DocumentLifecycleObserver* observer)
 {
     if (!m_lifecycleNotifier)
         m_lifecycleNotifier = DocumentLifecycleNotifier::create();
     m_lifecycleNotifier->addObserver(observer);
 }
 
 } // namespace WebCore