Use 'field' syntax in dart:dom interfaces.

client/dom/generated/src/interface/StyleSheet.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 StyleSheet {
 
-  bool get disabled();
+  bool disabled;
 
-  void set disabled(bool value);
+  final String href;
 
-  String get href();
+  final MediaList media;
 
-  MediaList get media();
+  final Node ownerNode;
 
-  Node get ownerNode();
+  final StyleSheet parentStyleSheet;
 
-  StyleSheet get parentStyleSheet();
+  final String title;
 
-  String get title();
-
-  String get type();
+  final String type;
 }