Make IDBTransaction ctor take ScriptState instead of ExecutionContext

Source/modules/indexeddb/IDBRequest.h

 /*
  * Copyright (C) 2010 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 115 matching lines @@
 
     IDBCursor* getResultCursor() const;
 
 protected:
     IDBRequest(ScriptState*, IDBAny* source, IDBTransaction*);
     void enqueueEvent(PassRefPtrWillBeRawPtr<Event>);
     void dequeueEvent(Event*);
     virtual bool shouldEnqueueEvent() const;
     void onSuccessInternal(IDBAny*);
     void setResult(IDBAny*);
+    ScriptState* scriptState() { return m_scriptState.get(); }
 
     bool m_contextStopped;
     Member<IDBTransaction> m_transaction;
     ReadyState m_readyState;
     bool m_requestAborted; // May be aborted by transaction then receive async onsuccess; ignore vs. assert.
 
 private:
     void setResultCursor(IDBCursor*, IDBKey*, IDBKey* primaryKey, PassRefPtr<SharedBuffer> value, PassOwnPtr<Vector<WebBlobInfo> >);
     void handleBlobAcks();
 
@@ skipping 17 matching lines @@
     OwnPtr<Vector<WebBlobInfo> > m_blobInfo;
 
     bool m_didFireUpgradeNeededEvent;
     bool m_preventPropagation;
     bool m_resultDirty;
 };
 
 } // namespace blink
 
 #endif // IDBRequest_h