Oilpan: Move [WillBeGarbageCollected] from Node to EventTarget.

Source/modules/serviceworkers/ServiceWorkerContainer.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 38 matching lines @@
 #include "public/platform/WebServiceWorkerProvider.h"
 #include "public/platform/WebString.h"
 #include "public/platform/WebURL.h"
 #include "v8.h"
 
 using blink::WebServiceWorker;
 using blink::WebServiceWorkerProvider;
 
 namespace WebCore {
 
-PassRefPtr<ServiceWorkerContainer> ServiceWorkerContainer::create(ExecutionContext* executionContext)
+PassRefPtrWillBeRawPtr<ServiceWorkerContainer> ServiceWorkerContainer::create(ExecutionContext* executionContext)
 {
-    return adoptRef(new ServiceWorkerContainer(executionContext));
+    return adoptRefWillBeRefCountedGarbageCollected(new ServiceWorkerContainer(executionContext));
 }
 
 ServiceWorkerContainer::~ServiceWorkerContainer()
 {
 }
 
 void ServiceWorkerContainer::detachClient()
 {
     if (m_provider) {
         m_provider->setClient(0);
@@ skipping 103 matching lines @@
         return;
 
     if (ServiceWorkerContainerClient* client = ServiceWorkerContainerClient::from(executionContext)) {
         m_provider = client->provider();
         if (m_provider)
             m_provider->setClient(this);
     }
 }
 
 } // namespace WebCore