Oilpan: fix build after r177509.

Source/core/dom/FullscreenElementStack.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, 2010, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
@@ skipping 496 matching lines @@
     m_eventQueue.append(createEvent(EventTypeNames::webkitfullscreenerror, element));
     m_eventQueueTimer.startOneShot(0, FROM_HERE);
 }
 
 void FullscreenElementStack::eventQueueTimerFired(Timer<FullscreenElementStack>*)
 {
     // Since we dispatch events in this function, it's possible that the
     // document will be detached and GC'd. We protect it here to make sure we
     // can finish the function successfully.
     RefPtrWillBeRawPtr<Document> protectDocument(document());
-    WillBeHeapDeque<RefPtrWillBeRawPtr<Event> > eventQueue;
+    WillBeHeapDeque<RefPtrWillBeMember<Event> > eventQueue;
     m_eventQueue.swap(eventQueue);
 
     while (!eventQueue.isEmpty()) {
         RefPtrWillBeRawPtr<Event> event = eventQueue.takeFirst();
         Node* target = event->target()->toNode();
 
         // If the element was removed from our tree, also message the documentElement.
         if (!target->inDocument() && document()->documentElement())
             eventQueue.append(createEvent(event->type(), *document()->documentElement()));
 
@@ skipping 46 matching lines @@
 
 void FullscreenElementStack::trace(Visitor* visitor)
 {
     visitor->trace(m_fullScreenElement);
     visitor->trace(m_fullScreenElementStack);
     visitor->trace(m_eventQueue);
     DocumentSupplement::trace(visitor);
 }
 
 } // namespace WebCore