Oilpan: Replace most of RefPtrs for Event objects with oilpan's transition types

Source/modules/notifications/Notification.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 152 matching lines @@
     ASSERT(toDocument(context)->page());
     return permissionString(NotificationController::from(toDocument(context)->page())->client()->checkPermission(context));
 }
 
 void Notification::requestPermission(ExecutionContext* context, PassOwnPtr<NotificationPermissionCallback> callback)
 {
     ASSERT(toDocument(context)->page());
     NotificationController::from(toDocument(context)->page())->client()->requestPermission(context, callback);
 }
 
-bool Notification::dispatchEvent(PassRefPtr<Event> event)
+bool Notification::dispatchEvent(PassRefPtrWillBeRawPtr<Event> event)
 {
     ASSERT(m_state != Closed);
 
     return EventTarget::dispatchEvent(event);
 }
 
 const AtomicString& Notification::interfaceName() const
 {
     return EventTargetNames::Notification;
 }
 
 void Notification::stop()
 {
     if (m_client)
         m_client->notificationObjectDestroyed(this);
 
     if (m_asyncRunner)
         m_asyncRunner->stop();
 
     m_client = 0;
     m_state = Closed;
 }
 
 bool Notification::hasPendingActivity() const
 {
     return m_state == Showing || (m_asyncRunner && m_asyncRunner->isActive());
 }
 
 } // namespace WebCore