Convert raw pointer to PassOwnPtr for EventFactoryBase

Source/core/Init.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 56 matching lines @@
     EventTargetNames::init();
 }
 
 void CoreInitializer::registerEventFactory()
 {
     static bool isRegistered = false;
     if (isRegistered)
         return;
     isRegistered = true;
 
-    Document::registerEventFactory(new EventFactory());
+    Document::registerEventFactory(EventFactory::create());
 }
 
 void CoreInitializer::init()
 {
     if (m_isInited)
         return;
     m_isInited = true;
 
     // It would make logical sense to do this and WTF::StringStatics::init() in
     // WTF::initialize() but there are ordering dependencies.
@@ skipping 34 matching lines @@
 
 void shutdown()
 {
     // Make sure we stop the HTMLParserThread before Platform::current() is cleared.
     HTMLParserThread::shutdown();
 
     Partitions::shutdown();
 }
 
 } // namespace WebCore