Service Worker: Correct Web IDL of ExtendableEvent.waitUntil method.

Source/modules/serviceworkers/ExtendableEvent.cpp

 /*
  * Copyright (C) 2014 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 37 matching lines @@
 
 PassRefPtrWillBeRawPtr<ExtendableEvent> ExtendableEvent::create(const AtomicString& type, const ExtendableEventInit& eventInit, WaitUntilObserver* observer)
 {
     return adoptRefWillBeNoop(new ExtendableEvent(type, eventInit, observer));
 }
 
 ExtendableEvent::~ExtendableEvent()
 {
 }
 
-void ExtendableEvent::waitUntil(ScriptState* scriptState, const ScriptValue& value, ExceptionState& exceptionState)
+void ExtendableEvent::waitUntil(ScriptState* scriptState, ScriptPromise scriptPromise, ExceptionState& exceptionState)
 {
     if (m_observer)
-        m_observer->waitUntil(scriptState, value, exceptionState);
+        m_observer->waitUntil(scriptState, scriptPromise, exceptionState);
 }
 
 ExtendableEvent::ExtendableEvent()
 {
 }
 
 ExtendableEvent::ExtendableEvent(const AtomicString& type, const ExtendableEventInit& initializer)
     : Event(type, initializer)
 {
 }
 
 ExtendableEvent::ExtendableEvent(const AtomicString& type, const ExtendableEventInit& initializer, WaitUntilObserver* observer)
     : Event(type, initializer)
     , m_observer(observer)
 {
 }
 
 const AtomicString& ExtendableEvent::interfaceName() const
 {
     return EventNames::ExtendableEvent;
 }
 
 DEFINE_TRACE(ExtendableEvent)
 {
     visitor->trace(m_observer);
     Event::trace(visitor);
 }
 
 } // namespace blink