Exposing raw DOM lists from wrappers

tools/dom/src/WrappedList.dart

Index: tools/dom/src/WrappedList.dart
diff --git a/tools/dom/src/WrappedList.dart b/tools/dom/src/WrappedList.dart
index 145c9ab868d4a2289302a8c8e7f691a31656a573..375ce7c86412d2a190b695d7e449e52e7d972017 100644
--- a/tools/dom/src/WrappedList.dart
+++ b/tools/dom/src/WrappedList.dart
@@ -8,7 +8,8 @@ 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);
@@ -58,6 +59,8 @@ class _WrappedList<E> extends ListBase<E> {
   void fillRange(int start, int end, [E fillValue]) {
     _list.fillRange(start, end, fillValue);
   }
+
+  List<Node> get rawList => _list;
 }
 
 /**