Use 'field' syntax in dart:dom interfaces.

client/dom/generated/src/interface/XPathResult.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 XPathResult {
 
   static final int ANY_TYPE = 0;
 
   static final int ANY_UNORDERED_NODE_TYPE = 8;
 
   static final int BOOLEAN_TYPE = 3;
 
   static final int FIRST_ORDERED_NODE_TYPE = 9;
 
   static final int NUMBER_TYPE = 1;
 
   static final int ORDERED_NODE_ITERATOR_TYPE = 5;
 
   static final int ORDERED_NODE_SNAPSHOT_TYPE = 7;
 
   static final int STRING_TYPE = 2;
 
   static final int UNORDERED_NODE_ITERATOR_TYPE = 4;
 
   static final int UNORDERED_NODE_SNAPSHOT_TYPE = 6;
 
-  bool get booleanValue();
+  final bool booleanValue;
 
-  bool get invalidIteratorState();
+  final bool invalidIteratorState;
 
-  num get numberValue();
+  final num numberValue;
 
-  int get resultType();
+  final int resultType;
 
-  Node get singleNodeValue();
+  final Node singleNodeValue;
 
-  int get snapshotLength();
+  final int snapshotLength;
 
-  String get stringValue();
+  final String stringValue;
 
   Node iterateNext();
 
   Node snapshotItem(int index);
 }