Convert raw pointer to PassOwnPtr for EventFactoryBase

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 3897 matching lines @@
     event->setTarget(domWindow());
     ensureScriptedAnimationController().enqueuePerFrameEvent(event.release());
 }
 
 Document::EventFactorySet& Document::eventFactories()
 {
     DEFINE_STATIC_LOCAL(EventFactorySet, s_eventFactory, ());
     return s_eventFactory;
 }
 
-void Document::registerEventFactory(EventFactoryBase* eventFactory)
+void Document::registerEventFactory(PassOwnPtr<EventFactoryBase> eventFactory)
 {
-    ASSERT(!eventFactories().contains(eventFactory));
+    ASSERT(!eventFactories().contains(eventFactory.get()));
     eventFactories().add(eventFactory);
 }
 
 PassRefPtrWillBeRawPtr<Event> Document::createEvent(const String& eventType, ExceptionState& exceptionState)
 {
     RefPtrWillBeRawPtr<Event> event = nullptr;
     for (EventFactorySet::const_iterator it = eventFactories().begin(); it != eventFactories().end(); ++it) {
         event = (*it)->create(eventType);
         if (event)
             return event.release();
@@ skipping 1902 matching lines @@
     visitor->trace(m_compositorPendingAnimations);
     visitor->trace(m_contextDocument);
     visitor->registerWeakMembers<Document, &Document::clearWeakMembers>(this);
     DocumentSupplementable::trace(visitor);
     TreeScope::trace(visitor);
     ContainerNode::trace(visitor);
     ExecutionContext::trace(visitor);
 }
 
 } // namespace WebCore