Oilpan: Move the EventListener hierarchy to Oilpan's heap

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 3784 matching lines @@
 {
     for (Range* range : m_ranges)
         range->didSplitTextNode(oldNode);
 
     if (m_frame)
         m_frame->selection().didSplitTextNode(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, PassRefPtrWillBeRawPtr<EventListener> listener)
 {
     LocalDOMWindow* domWindow = this->domWindow();
     if (!domWindow)
         return;
     domWindow->setAttributeEventListener(eventType, listener);
 }
 
 EventListener* Document::getWindowAttributeEventListener(const AtomicString& eventType)
 {
     LocalDOMWindow* domWindow = this->domWindow();
@@ skipping 1972 matching lines @@
 #ifndef NDEBUG
 using namespace blink;
 void showLiveDocumentInstances()
 {
     WeakDocumentSet& set = liveDocumentSet();
     fprintf(stderr, "There are %u documents currently alive:\n", set.size());
     for (Document* document : set)
         fprintf(stderr, "- Document %p URL: %s\n", document, document->url().string().utf8().data());
 }
 #endif