Exposing raw DOM lists from wrappers

tools/dom/src/WrappedList.dart

 // Copyright (c) 2013, 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.
 
 part of dart.dom.html;
 
 /**
  * A list which just wraps another list, for either intercepting list calls or
  * retyping the list (for example, from List<A> to List<B> where B extends A).
  */
-class _WrappedList<E> extends ListBase<E> {
+class _WrappedList<E extends Node> extends ListBase<E>
+    implements NodeListWrapper {
   final List _list;
 
   _WrappedList(this._list);
 
   // Iterable APIs
 
   Iterator<E> get iterator => new _WrappedIterator(_list.iterator);
 
   int get length => _list.length;
 
@@ skipping 29 matching lines @@
 
   void removeRange(int start, int end) { _list.removeRange(start, end); }
 
   void replaceRange(int start, int end, Iterable<E> iterable) {
     _list.replaceRange(start, end, iterable);
   }
 
   void fillRange(int start, int end, [E fillValue]) {
     _list.fillRange(start, end, fillValue);
   }
+
+  List<Node> get rawList => _list;
 }
 
 /**
  * Iterator wrapper for _WrappedList.
  */
 class _WrappedIterator<E> implements Iterator<E> {
   Iterator _iterator;
 
   _WrappedIterator(this._iterator);
 
   bool moveNext() {
     return _iterator.moveNext();
   }
 
   E get current => _iterator.current;
 }