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

Source/modules/notifications/Notification.h

 /*
  * 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 67 matching lines @@
 
     TextDirection direction() const;
     KURL iconURL() const { return m_iconUrl; }
 
     static const String& permissionString(NotificationClient::Permission);
     static const String& permission(ExecutionContext*);
     static void requestPermission(ExecutionContext*, PassOwnPtr<NotificationPermissionCallback> = nullptr);
 
     // EventTarget interface.
     virtual ExecutionContext* executionContext() const OVERRIDE FINAL { return ActiveDOMObject::executionContext(); }
-    virtual bool dispatchEvent(PassRefPtr<Event>) OVERRIDE FINAL;
+    virtual bool dispatchEvent(PassRefPtrWillBeRawPtr<Event>) OVERRIDE FINAL;
     virtual const AtomicString& interfaceName() const OVERRIDE;
 
     // ActiveDOMObject interface.
     virtual void stop() OVERRIDE;
     virtual bool hasPendingActivity() const OVERRIDE;
 
     // RefCountedWillBeRefCountedGarbageCollected<Notification> interface.
     void trace(Visitor*) { }
 
 private:
@@ skipping 30 matching lines @@
     NotificationState m_state;
 
     NotificationClient* m_client;
 
     OwnPtr<AsyncMethodRunner<Notification> > m_asyncRunner;
 };
 
 } // namespace WebCore
 
 #endif // Notification_h