Use 'field' syntax in dart:dom interfaces.

client/dom/generated/src/interface/CSSStyleDeclaration.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 CSSStyleDeclaration {
 
-  String get cssText();
+  String cssText;
 
-  void set cssText(String value);
+  final int length;
 
-  int get length();
-
-  CSSRule get parentRule();
+  final CSSRule parentRule;
 
   CSSValue getPropertyCSSValue(String propertyName);
 
   String getPropertyPriority(String propertyName);
 
   String getPropertyShorthand(String propertyName);
 
   String getPropertyValue(String propertyName);
 
   bool isPropertyImplicit(String propertyName);
 
   String item(int index);
 
   String removeProperty(String propertyName);
 
   void setProperty(String propertyName, String value, [String priority]);
 }