Oilpan: fix build after r179934.

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 64 matching lines @@
 }
 
 SharedWorkerThread* SharedWorkerGlobalScope::thread()
 {
     return static_cast<SharedWorkerThread*>(Base::thread());
 }
 
 void SharedWorkerGlobalScope::logExceptionToConsole(const String& errorMessage, const String& sourceURL, int lineNumber, int columnNumber, PassRefPtrWillBeRawPtr<ScriptCallStack> callStack)
 {
     WorkerGlobalScope::logExceptionToConsole(errorMessage, sourceURL, lineNumber, columnNumber, callStack);
-    RefPtr<ConsoleMessage> consoleMessage = ConsoleMessage::create(JSMessageSource, ErrorMessageLevel, errorMessage, sourceURL, lineNumber);
+    RefPtrWillBeRawPtr<ConsoleMessage> consoleMessage = ConsoleMessage::create(JSMessageSource, ErrorMessageLevel, errorMessage, sourceURL, lineNumber);
     consoleMessage->setCallStack(callStack);
     addMessageToWorkerConsole(consoleMessage.release());
 }
 
 void SharedWorkerGlobalScope::trace(Visitor* visitor)
 {
     WorkerGlobalScope::trace(visitor);
 }
 
 } // namespace blink