Specify the types for Element.classes, Element.elements and Node.nodes

client/dom/templates/html/interface/interface_Node.darttemplate

 // 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 $ID$EXTENDS {
   NodeList get nodes();
 
-  // TODO: The type of value should be Collection<Node>. See http://b/5392897
-  void set nodes(value);
+  void set nodes(Collection<Node> value);
 
   Node replaceWith(Node otherNode);
 
   Node remove();
 
 $!MEMBERS
 }