Oilpan: Reduce RefPtr to WorkerGlobalScope.

Source/web/WebSharedWorkerImpl.cpp

 /*
  * Copyright (C) 2009 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 293 matching lines @@
 
 void WebSharedWorkerImpl::connect(WebMessagePortChannel* webChannel)
 {
     workerThread()->runLoop().postTask(
         createCallbackTask(&connectTask, adoptPtr(webChannel)));
 }
 
 void WebSharedWorkerImpl::connectTask(ExecutionContext* context, PassOwnPtr<WebMessagePortChannel> channel)
 {
     // Wrap the passed-in channel in a MessagePort, and send it off via a connect event.
-    RefPtr<MessagePort> port = MessagePort::create(*context);
+    RefPtrWillBeRawPtr<MessagePort> port = MessagePort::create(*context);
     port->entangle(channel);
     WorkerGlobalScope* workerGlobalScope = toWorkerGlobalScope(context);
     ASSERT_WITH_SECURITY_IMPLICATION(workerGlobalScope->isSharedWorkerGlobalScope());
-    workerGlobalScope->dispatchEvent(createConnectEvent(port));
+    workerGlobalScope->dispatchEvent(createConnectEvent(port.release()));
 }
 
 void WebSharedWorkerImpl::startWorkerContext(const WebURL& url, const WebString& name, const WebString& contentSecurityPolicy, WebContentSecurityPolicyType policyType)
 {
     m_url = url;
     m_name = name;
     m_contentSecurityPolicy = contentSecurityPolicy;
     m_policyType = policyType;
     initializeLoader(url);
 }
@@ skipping 107 matching lines @@
     workerThread()->runLoop().postDebuggerTask(createCallbackTask(dispatchOnInspectorBackendTask, String(message)));
     WorkerDebuggerAgent::interruptAndDispatchInspectorCommands(workerThread());
 }
 
 WebSharedWorker* WebSharedWorker::create(WebSharedWorkerClient* client)
 {
     return new WebSharedWorkerImpl(client);
 }
 
 } // namespace blink