Oilpan: move MessagePortArray to the heap.

Source/web/ServiceWorkerGlobalScopeProxy.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 74 matching lines @@
     RefPtr<RespondWithObserver> observer = RespondWithObserver::create(m_workerGlobalScope, eventID);
     RefPtr<Request> request = Request::create(webRequest);
     m_workerGlobalScope->dispatchEvent(FetchEvent::create(observer, request));
     observer->didDispatchEvent();
 }
 
 void ServiceWorkerGlobalScopeProxy::dispatchMessageEvent(const WebString& message, const WebMessagePortChannelArray& webChannels)
 {
     ASSERT(m_workerGlobalScope);
 
-    OwnPtr<MessagePortArray> ports = MessagePort::toMessagePortArray(m_workerGlobalScope, webChannels);
+    OwnPtrWillBeRawPtr<MessagePortArray> ports = MessagePort::toMessagePortArray(m_workerGlobalScope, webChannels);
     WebSerializedScriptValue value = WebSerializedScriptValue::fromString(message);
     m_workerGlobalScope->dispatchEvent(MessageEvent::create(ports.release(), value));
 }
 
 void ServiceWorkerGlobalScopeProxy::dispatchPushEvent(int eventID, const WebString& data)
 {
     ASSERT(m_workerGlobalScope);
     m_workerGlobalScope->dispatchEvent(PushEvent::create(EventTypeNames::push, data));
 }
 
@@ skipping 49 matching lines @@
 
 ServiceWorkerGlobalScopeProxy::ServiceWorkerGlobalScopeProxy(WebEmbeddedWorkerImpl& embeddedWorker, ExecutionContext& executionContext, WebServiceWorkerContextClient& client)
     : m_embeddedWorker(embeddedWorker)
     , m_executionContext(executionContext)
     , m_client(client)
     , m_workerGlobalScope(0)
 {
 }
 
 } // namespace blink