Use 'field' syntax in dart:dom interfaces.

client/dom/generated/src/interface/SVGLength.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 SVGLength {
 
   static final int SVG_LENGTHTYPE_CM = 6;
 
@@ skipping 10 matching lines @@
   static final int SVG_LENGTHTYPE_PC = 10;
 
   static final int SVG_LENGTHTYPE_PERCENTAGE = 2;
 
   static final int SVG_LENGTHTYPE_PT = 9;
 
   static final int SVG_LENGTHTYPE_PX = 5;
 
   static final int SVG_LENGTHTYPE_UNKNOWN = 0;
 
-  int get unitType();
+  final int unitType;
 
-  num get value();
+  num value;
 
-  void set value(num value);
+  String valueAsString;
 
-  String get valueAsString();
-
-  void set valueAsString(String value);
-
-  num get valueInSpecifiedUnits();
-
-  void set valueInSpecifiedUnits(num value);
+  num valueInSpecifiedUnits;
 
   void convertToSpecifiedUnits(int unitType);
 
   void newValueSpecifiedUnits(int unitType, num valueInSpecifiedUnits);
 }