Oilpan: Reduce RefPtr to WorkerGlobalScope.

Source/core/workers/SharedWorkerGlobalScope.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 23 matching lines @@
 
 #include "core/events/MessageEvent.h"
 #include "core/inspector/ScriptCallStack.h"
 #include "core/frame/DOMWindow.h"
 #include "core/workers/SharedWorkerThread.h"
 #include "core/workers/WorkerClients.h"
 #include "wtf/CurrentTime.h"
 
 namespace WebCore {
 
-PassRefPtrWillBeRawPtr<MessageEvent> createConnectEvent(PassRefPtr<MessagePort> prpPort)
+PassRefPtrWillBeRawPtr<MessageEvent> createConnectEvent(PassRefPtrWillBeRawPtr<MessagePort> port)
 {
-    RefPtr<MessagePort> port = prpPort;
     RefPtrWillBeRawPtr<MessageEvent> event = MessageEvent::create(adoptPtr(new MessagePortArray(1, port)), String(), String(), port);
     event->initEvent(EventTypeNames::connect, false, false);
     return event.release();
 }
 
 // static
 PassRefPtrWillBeRawPtr<SharedWorkerGlobalScope> SharedWorkerGlobalScope::create(const String& name, SharedWorkerThread* thread, PassOwnPtrWillBeRawPtr<WorkerThreadStartupData> startupData)
 {
     RefPtrWillBeRawPtr<SharedWorkerGlobalScope> context = adoptRefWillBeRefCountedGarbageCollected(new SharedWorkerGlobalScope(name, startupData->m_scriptURL, startupData->m_userAgent, thread, startupData->m_workerClients.release()));
     context->applyContentSecurityPolicyFromString(startupData->m_contentSecurityPolicy, startupData->m_contentSecurityPolicyType);
@@ skipping 26 matching lines @@
     WorkerGlobalScope::logExceptionToConsole(errorMessage, sourceURL, lineNumber, columnNumber, callStack);
     addMessageToWorkerConsole(JSMessageSource, ErrorMessageLevel, errorMessage, sourceURL, lineNumber, callStack, 0);
 }
 
 void SharedWorkerGlobalScope::trace(Visitor* visitor)
 {
     WorkerGlobalScope::trace(visitor);
 }
 
 } // namespace WebCore