First part of work to move V8 binding integrity off of vtables.

Source/WebCore/Modules/indexeddb/IDBCursorWithValue.cpp

 /*
  * Copyright (C) 2011 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 27 matching lines @@
 
 PassRefPtr<IDBCursorWithValue> IDBCursorWithValue::fromCursor(PassRefPtr<IDBCursor> prpCursor)
 {
     RefPtr<IDBCursorWithValue> cursorWithValue(static_cast<IDBCursorWithValue*>(prpCursor.get()));
     return cursorWithValue.release();
 }
 
 IDBCursorWithValue::IDBCursorWithValue(PassRefPtr<IDBCursorBackendInterface> backend, IndexedDB::CursorDirection direction, IDBRequest* request, IDBAny* source, IDBTransaction* transaction)
     : IDBCursor(backend, direction, request, source, transaction)
 {
+    ScriptWrappable::init(this);
 }
 
 IDBCursorWithValue::~IDBCursorWithValue()
 {
 }
 
 } // namespace WebCore