Use 'field' syntax in dart:dom interfaces.

client/dom/generated/src/interface/SVGMarkerElement.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 SVGMarkerElement extends SVGElement, SVGLangSpace, SVGExternalResourcesRequired, SVGStylable, SVGFitToViewBox {
 
   static final int SVG_MARKERUNITS_STROKEWIDTH = 2;
 
   static final int SVG_MARKERUNITS_UNKNOWN = 0;
 
   static final int SVG_MARKERUNITS_USERSPACEONUSE = 1;
 
   static final int SVG_MARKER_ORIENT_ANGLE = 2;
 
   static final int SVG_MARKER_ORIENT_AUTO = 1;
 
   static final int SVG_MARKER_ORIENT_UNKNOWN = 0;
 
-  SVGAnimatedLength get markerHeight();
+  final SVGAnimatedLength markerHeight;
 
-  SVGAnimatedEnumeration get markerUnits();
+  final SVGAnimatedEnumeration markerUnits;
 
-  SVGAnimatedLength get markerWidth();
+  final SVGAnimatedLength markerWidth;
 
-  SVGAnimatedAngle get orientAngle();
+  final SVGAnimatedAngle orientAngle;
 
-  SVGAnimatedEnumeration get orientType();
+  final SVGAnimatedEnumeration orientType;
 
-  SVGAnimatedLength get refX();
+  final SVGAnimatedLength refX;
 
-  SVGAnimatedLength get refY();
+  final SVGAnimatedLength refY;
 
   void setOrientToAngle(SVGAngle angle);
 
   void setOrientToAuto();
 }