ScriptPromise should understand the ScriptState from which the ScriptPromise is generated

Source/bindings/v8/V8Binding.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 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 727 matching lines @@
     , m_contextScope(v8::Context::New(isolate))
     , m_scriptState(ScriptState::create(isolate->GetCurrentContext(), DOMWrapperWorld::create()))
 {
 }
 
 V8ExecutionScope::~V8ExecutionScope()
 {
     m_scriptState->disposePerContextData();
 }
 
+ScriptState* V8ExecutionScope::scriptState() const
+{
+    return m_scriptState.get();
+}
+
+v8::Isolate* V8ExecutionScope::isolate() const
+{
+    return m_scriptState->isolate();
+}
+
 } // namespace WebCore