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

Source/WebCore/Modules/indexeddb/IDBIndex.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 30 matching lines @@
 
 IDBIndex::IDBIndex(const IDBIndexMetadata& metadata, IDBObjectStore* objectStore, IDBTransaction* transaction)
     : m_metadata(metadata)
     , m_objectStore(objectStore)
     , m_transaction(transaction)
     , m_deleted(false)
 {
     ASSERT(m_objectStore);
     ASSERT(m_transaction);
     ASSERT(m_metadata.id != IDBIndexMetadata::InvalidId);
+    ScriptWrappable::init(this);
 }
 
 IDBIndex::~IDBIndex()
 {
 }
 
 PassRefPtr<IDBRequest> IDBIndex::openCursor(ScriptExecutionContext* context, PassRefPtr<IDBKeyRange> keyRange, const String& directionString, ExceptionCode& ec)
 {
     IDB_TRACE("IDBIndex::openCursor");
     if (m_deleted) {
@@ skipping 138 matching lines @@
     backendDB()->get(m_transaction->id(), m_objectStore->id(), m_metadata.id, keyRange, true, request);
     return request;
 }
 
 IDBDatabaseBackendInterface* IDBIndex::backendDB() const
 {
     return m_transaction->backendDB();
 }
 
 } // namespace WebCore