Regenerate dart:dom and dart:html bindings

client/dom/generated/src/interface/IDBIndex.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 IDBIndex {
 
   final String keyPath;
 
   final bool multiEntry;
 
   final String name;
 
   final IDBObjectStore objectStore;
 
   final bool unique;
 
-  IDBRequest count([IDBKeyRange range]);
+  IDBRequest count([var key_OR_range]);
 
   IDBRequest getObject(IDBKey key);
 
   IDBRequest getKey(IDBKey key);
 
   IDBRequest openCursor([IDBKeyRange range, int direction]);
 
   IDBRequest openKeyCursor([IDBKeyRange range, int direction]);
 }