Add terminateServiceWorker method for layout tests - blink side

Source/modules/serviceworkers/ServiceWorker.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 83 matching lines @@
     WebString messageString = message->toWireString();
     OwnPtr<WebMessagePortChannelArray> webChannels = MessagePort::toWebMessagePortChannelArray(channels.release());
     m_outerWorker->postMessage(messageString, webChannels.leakPtr());
 }
 
 void ServiceWorker::terminate(ExceptionState& exceptionState)
 {
     exceptionState.throwDOMException(InvalidAccessError, "Not supported.");
 }
 
+void ServiceWorker::internalsTerminate()
+{
+    m_outerWorker->terminate();
+}
+
 bool ServiceWorker::isReady()
 {
     return m_proxyState == Ready;
 }
 
 void ServiceWorker::dispatchStateChangeEvent()
 {
     ASSERT(isReady());
     this->dispatchEvent(Event::create(EventTypeNames::statechange));
 }
@@ skipping 139 matching lines @@
 ServiceWorker::ServiceWorker(ExecutionContext* executionContext, PassOwnPtr<WebServiceWorker> worker)
     : AbstractWorker(executionContext)
     , m_outerWorker(worker)
     , m_proxyState(Initial)
 {
     ASSERT(m_outerWorker);
     m_outerWorker->setProxy(this);
 }
 
 } // namespace blink