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

Source/WebCore/Modules/indexeddb/IDBKeyRange.cpp

 /*
  * 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 27 matching lines @@
     RefPtr<IDBKey> key = prpKey;
     return adoptRef(new IDBKeyRange(key, key, LowerBoundClosed, UpperBoundClosed));
 }
 
 IDBKeyRange::IDBKeyRange(PassRefPtr<IDBKey> lower, PassRefPtr<IDBKey> upper, LowerBoundType lowerType, UpperBoundType upperType)
     : m_lower(lower)
     , m_upper(upper)
     , m_lowerType(lowerType)
     , m_upperType(upperType)
 {
+    ScriptWrappable::init(this);
 }
 
 ScriptValue IDBKeyRange::lowerValue(ScriptExecutionContext* context) const
 {
     DOMRequestState requestState(context);
     return idbKeyToScriptValue(&requestState, m_lower);
 }
 
 ScriptValue IDBKeyRange::upperValue(ScriptExecutionContext* context) const
 {
@@ skipping 74 matching lines @@
 {
     if (m_lowerType != LowerBoundClosed || m_upperType != UpperBoundClosed)
         return false;
 
     ASSERT(m_lower);
     ASSERT(m_upper);
     return m_lower->isEqual(m_upper.get());
 }
 
 } // namespace WebCore