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

Source/WebCore/Modules/indexeddb/IDBCursor.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 66 matching lines @@
     , m_direction(direction)
     , m_source(source)
     , m_transaction(transaction)
     , m_transactionNotifier(transaction, this)
     , m_gotValue(false)
 {
     ASSERT(m_backend);
     ASSERT(m_request);
     ASSERT(m_source->type() == IDBAny::IDBObjectStoreType || m_source->type() == IDBAny::IDBIndexType);
     ASSERT(m_transaction);
+    ScriptWrappable::init(this);
 }
 
 IDBCursor::~IDBCursor()
 {
 }
 
 const String& IDBCursor::direction() const
 {
     IDB_TRACE("IDBCursor::direction");
     return directionToString(m_direction);
@@ skipping 228 matching lines @@
     case IndexedDB::CursorPrevNoDuplicate:
         return IDBCursor::directionPrevUnique();
 
     default:
         ASSERT_NOT_REACHED();
         return IDBCursor::directionNext();
     }
 }
 
 } // namespace WebCore