Add [WillBeGarbageCollected] to Event.idl

Source/modules/indexeddb/IDBVersionChangeEvent.cpp

 /*
  * Copyright (C) 2011 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:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 13 matching lines @@
  */
 
 #include "config.h"
 #include "modules/indexeddb/IDBVersionChangeEvent.h"
 
 #include "bindings/v8/IDBBindingUtilities.h"
 #include "core/events/ThreadLocalEventNames.h"
 
 namespace WebCore {
 
-PassRefPtr<IDBVersionChangeEvent> IDBVersionChangeEvent::create(PassRefPtr<IDBAny> oldVersion, PassRefPtr<IDBAny> newVersion, const AtomicString& eventType, blink::WebIDBDataLoss dataLoss, const String& dataLossMessage)
+PassRefPtrWillBeRawPtr<IDBVersionChangeEvent> IDBVersionChangeEvent::create(PassRefPtr<IDBAny> oldVersion, PassRefPtr<IDBAny> newVersion, const AtomicString& eventType, blink::WebIDBDataLoss dataLoss, const String& dataLossMessage)
 {
-    return adoptRef(new IDBVersionChangeEvent(oldVersion, newVersion, eventType, dataLoss, dataLossMessage));
+    return adoptRefCountedWillBeRefCountedGarbageCollected(new IDBVersionChangeEvent(oldVersion, newVersion, eventType, dataLoss, dataLossMessage));
 }
 
 IDBVersionChangeEvent::IDBVersionChangeEvent(PassRefPtr<IDBAny> oldVersion, PassRefPtr<IDBAny> newVersion, const AtomicString& eventType, blink::WebIDBDataLoss dataLoss, const String& dataLossMessage)
     : Event(eventType, false /*canBubble*/, false /*cancelable*/)
     , m_oldVersion(oldVersion)
     , m_newVersion(newVersion)
     , m_dataLoss(dataLoss)
     , m_dataLossMessage(dataLossMessage)
 {
     ScriptWrappable::init(this);
@@ skipping 28 matching lines @@
 {
     return EventNames::IDBVersionChangeEvent;
 }
 
 void IDBVersionChangeEvent::trace(Visitor* visitor)
 {
     Event::trace(visitor);
 }
 
 } // namespace WebCore