Pass NewScriptState to idbAnyToScriptValue() and idbKeyToScriptValue()

Source/bindings/v8/DOMRequestState.h

 /*
  * Copyright (C) 2012 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:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 40 matching lines @@
         }
     private:
         v8::HandleScope m_handleScope;
         v8::Context::Scope m_contextScope;
     };
 
     void clear() { m_scriptState.clear(); }
     v8::Local<v8::Context> context() { return m_scriptState->context(); }
     v8::Isolate* isolate() const { return m_scriptState->isolate(); }
     bool isValid() const { return m_scriptState; }
+    NewScriptState* scriptState() const { return m_scriptState.get(); }
 
 private:
     RefPtr<NewScriptState> m_scriptState;
 };
 
 }
 #endif