ScriptPromise should understand the ScriptState from which the ScriptPromise is generated

Source/modules/serviceworkers/InstallEvent.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 36 matching lines @@
 {
     return adoptRefWillBeNoop(new InstallEvent(type, initializer, observer));
 }
 
 void InstallEvent::replace()
 {
     // FIXME: implement.
     notImplemented();
 }
 
-ScriptPromise InstallEvent::reloadAll(ExecutionContext* context)
+ScriptPromise InstallEvent::reloadAll(ScriptState* scriptState)
 {
     // FIXME: implement.
     notImplemented();
 
     // For now this just returns a promise which is already rejected.
-    RefPtr<ScriptPromiseResolver> resolver = ScriptPromiseResolver::create(context);
+    RefPtr<ScriptPromiseResolver> resolver = ScriptPromiseResolver::create(scriptState);
     ScriptPromise promise = resolver->promise();
-    resolver->reject(ScriptValue(v8::Null(toIsolate(context)), toIsolate(context)));
+    resolver->reject(ScriptValue(v8::Null(scriptState->isolate()), scriptState->isolate()));
     return promise;
 }
 
 const AtomicString& InstallEvent::interfaceName() const
 {
     return EventNames::InstallEvent;
 }
 
 InstallEvent::InstallEvent()
 {
     ScriptWrappable::init(this);
 }
 
 InstallEvent::InstallEvent(const AtomicString& type, const EventInit& initializer, PassRefPtr<WaitUntilObserver> observer)
     : InstallPhaseEvent(type, initializer, observer)
 {
     ScriptWrappable::init(this);
 }
 
 void InstallEvent::trace(Visitor* visitor)
 {
     InstallPhaseEvent::trace(visitor);
 }
 
 } // namespace WebCore