Fix parsing of DOMString[] in IDL

client/dom/generated/src/interface/IDBObjectStore.dart

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 interface IDBObjectStore {
 
   final String keyPath;
 
   final String name;
 
   final IDBTransaction transaction;
 
   IDBRequest add(Dynamic value, [IDBKey key]);
 
   IDBRequest clear();
 
   IDBRequest count([IDBKeyRange range]);
 
   IDBIndex createIndex(String name, String keyPath);
 
-  IDBRequest delete(IDBKey key);
+  IDBRequest delete(var key_OR_keyRange);
 
   void deleteIndex(String name);
 
   IDBRequest getObject(IDBKey key);
 
   IDBIndex index(String name);
 
   IDBRequest openCursor([IDBKeyRange range, int direction]);
 
   IDBRequest put(Dynamic value, [IDBKey key]);
 }