Oilpan: Add [WillBeGarbageCollected] to Event.idl

Source/core/events/HashChangeEvent.h

 /*
  * Copyright (C) 2010 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 18 matching lines @@
     HashChangeEventInit()
     {
     };
 
     String oldURL;
     String newURL;
 };
 
 class HashChangeEvent FINAL : public Event {
 public:
-    static PassRefPtr<HashChangeEvent> create()
+    static PassRefPtrWillBeRawPtr<HashChangeEvent> create()
     {
-        return adoptRef(new HashChangeEvent);
+        return adoptRefWillBeRefCountedGarbageCollected(new HashChangeEvent);
     }
 
-    static PassRefPtr<HashChangeEvent> create(const String& oldURL, const String& newURL)
+    static PassRefPtrWillBeRawPtr<HashChangeEvent> create(const String& oldURL, const String& newURL)
     {
-        return adoptRef(new HashChangeEvent(oldURL, newURL));
+        return adoptRefWillBeRefCountedGarbageCollected(new HashChangeEvent(oldURL, newURL));
     }
 
-    static PassRefPtr<HashChangeEvent> create(const AtomicString& type, const HashChangeEventInit& initializer)
+    static PassRefPtrWillBeRawPtr<HashChangeEvent> create(const AtomicString& type, const HashChangeEventInit& initializer)
     {
-        return adoptRef(new HashChangeEvent(type, initializer));
+        return adoptRefWillBeRefCountedGarbageCollected(new HashChangeEvent(type, initializer));
     }
 
     void initHashChangeEvent(const AtomicString& eventType, bool canBubble, bool cancelable, const String& oldURL, const String& newURL)
     {
         if (dispatched())
             return;
 
         initEvent(eventType, canBubble, cancelable);
 
         m_oldURL = oldURL;
@@ skipping 29 matching lines @@
         ScriptWrappable::init(this);
     }
 
     String m_oldURL;
     String m_newURL;
 };
 
 } // namespace WebCore
 
 #endif // HashChangeEvent_h