Update WebKit IDLs after chrome roll.

storage/Storage.idl

 /*
  * Copyright (C) 2008 Apple 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
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
  */
 
 [
     NamedGetter,
-    JSGenerateIsReachable=ImplFrame,
     CustomDeleteProperty,
     CustomEnumerateProperty,
     V8CustomIndexedGetter,
     CustomNamedSetter,
 ] interface Storage {
     [NotEnumerable] readonly attribute unsigned long length getter raises(DOMException);
     [NotEnumerable, TreatReturnedNullStringAs=Null] DOMString key(in unsigned long index)
         raises(DOMException);
     [NotEnumerable, TreatReturnedNullStringAs=Null] DOMString getItem(in DOMString key)
         raises(DOMException);
     [NotEnumerable] void setItem(in DOMString key, in DOMString data) 
         raises(DOMException);
     [NotEnumerable] void removeItem(in DOMString key)
         raises(DOMException);
     [NotEnumerable] void clear()
         raises(DOMException);
 };