Remove the queued states mechanism from ServiceWorker

Source/modules/serviceworkers/ServiceWorker.h

 /*
  * 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 52 matching lines @@
     // For CallbackPromiseAdapter
     typedef blink::WebServiceWorker WebType;
     static PassRefPtr<ServiceWorker> from(ScriptPromiseResolverWithContext*, WebType* worker);
 
     void postMessage(PassRefPtr<SerializedScriptValue> message, const MessagePortArray*, ExceptionState&);
 
     const AtomicString& state() const;
     DEFINE_ATTRIBUTE_EVENT_LISTENER(statechange);
 
     // WebServiceWorkerProxy overrides.
-    virtual void onStateChanged(blink::WebServiceWorkerState) OVERRIDE;
+    virtual bool isReady() OVERRIDE;
     virtual void dispatchStateChangeEvent() OVERRIDE;
 
     // AbstractWorker overrides.
     virtual const AtomicString& interfaceName() const OVERRIDE;
 
 private:
     class ThenFunction;
 
     ServiceWorker(ExecutionContext*, PassOwnPtr<blink::WebServiceWorker>);
     void onPromiseResolved();
     void waitOnPromise(ScriptPromise);
-    void changeState(blink::WebServiceWorkerState);
 
     OwnPtr<blink::WebServiceWorker> m_outerWorker;
     bool m_isPromisePending;
-    Vector<blink::WebServiceWorkerState> m_queuedStates;
 };
 
 } // namespace WebCore
 
 #endif // ServiceWorker_h