Use 'field' syntax in dart:dom interfaces.

client/dom/generated/src/interface/AudioBufferSourceNode.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 AudioBufferSourceNode extends AudioSourceNode {
 
-  AudioBuffer get buffer();
+  AudioBuffer buffer;
 
-  void set buffer(AudioBuffer value);
+  final AudioGain gain;
 
-  AudioGain get gain();
+  bool loop;
 
-  bool get loop();
+  bool looping;
 
-  void set loop(bool value);
-
-  bool get looping();
-
-  void set looping(bool value);
-
-  AudioParam get playbackRate();
+  final AudioParam playbackRate;
 
   void noteGrainOn(num when, num grainOffset, num grainDuration);
 
   void noteOff(num when);
 
   void noteOn(num when);
 }