Roll DOM APIs forward on IDL & update Frog DOM

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

 // Copyright (c) 2011, 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 HTMLSelectElement extends HTMLElement {
 
   bool get autofocus();
 
@@ skipping 46 matching lines @@
   bool get willValidate();
 
   void add(HTMLElement element, HTMLElement before);
 
   bool checkValidity();
 
   Node item(int index);
 
   Node namedItem(String name);
 
-  void remove();
+  void remove(var index_OR_option);
 
   void setCustomValidity(String error);
 }