Use 'field' syntax in dart:dom interfaces.

client/dom/generated/src/interface/NodeIterator.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 NodeIterator {
 
-  bool get expandEntityReferences();
+  final bool expandEntityReferences;
 
-  NodeFilter get filter();
+  final NodeFilter filter;
 
-  bool get pointerBeforeReferenceNode();
+  final bool pointerBeforeReferenceNode;
 
-  Node get referenceNode();
+  final Node referenceNode;
 
-  Node get root();
+  final Node root;
 
-  int get whatToShow();
+  final int whatToShow;
 
   void detach();
 
   Node nextNode();
 
   Node previousNode();
 }