Use 'field' syntax in dart:dom interfaces.

client/dom/generated/src/interface/WorkerLocation.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 WorkerLocation {
 
-  String get hash();
+  final String hash;
 
-  String get host();
+  final String host;
 
-  String get hostname();
+  final String hostname;
 
-  String get href();
+  final String href;
 
-  String get pathname();
+  final String pathname;
 
-  String get port();
+  final String port;
 
-  String get protocol();
+  final String protocol;
 
-  String get search();
+  final String search;
 
   String toString();
 }