Use 'field' syntax in dart:dom interfaces.

client/dom/generated/src/interface/AudioContext.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 AudioContext default _AudioContextFactoryProvider {
 
   AudioContext();
 
-  num get currentTime();
+  final num currentTime;
 
-  AudioDestinationNode get destination();
+  final AudioDestinationNode destination;
 
-  AudioListener get listener();
+  final AudioListener listener;
 
-  EventListener get oncomplete();
+  EventListener oncomplete;
 
-  void set oncomplete(EventListener value);
-
-  num get sampleRate();
+  final num sampleRate;
 
   RealtimeAnalyserNode createAnalyser();
 
   BiquadFilterNode createBiquadFilter();
 
   AudioBuffer createBuffer(var buffer_OR_numberOfChannels, var mixToMono_OR_numberOfFrames, [num sampleRate]);
 
   AudioBufferSourceNode createBufferSource();
 
   AudioChannelMerger createChannelMerger();
@@ skipping 17 matching lines @@
   MediaElementAudioSourceNode createMediaElementSource(HTMLMediaElement mediaElement);
 
   AudioPannerNode createPanner();
 
   WaveShaperNode createWaveShaper();
 
   void decodeAudioData(ArrayBuffer audioData, AudioBufferCallback successCallback, [AudioBufferCallback errorCallback]);
 
   void startRendering();
 }