Move frog dart:dom from fields to getters/setters.

client/dom/generated/src/frog/AudioContext.dart

 
 class AudioContext native "*AudioContext" {
   AudioContext() native;
 
 
-  num currentTime;
+  num get currentTime() native "return this.currentTime;";
 
-  AudioDestinationNode destination;
+  AudioDestinationNode get destination() native "return this.destination;";
 
-  AudioListener listener;
+  AudioListener get listener() native "return this.listener;";
 
-  EventListener oncomplete;
+  EventListener get oncomplete() native "return this.oncomplete;";
 
-  num sampleRate;
+  void set oncomplete(EventListener value) native "this.oncomplete = value;";
+
+  num get sampleRate() native "return this.sampleRate;";
 
   RealtimeAnalyserNode createAnalyser() native;
 
   BiquadFilterNode createBiquadFilter() native;
 
   AudioBuffer createBuffer(var buffer_OR_numberOfChannels, var mixToMono_OR_numberOfFrames, [num sampleRate = null]) native;
 
   AudioBufferSourceNode createBufferSource() native;
 
   AudioChannelMerger createChannelMerger() native;
@@ skipping 21 matching lines @@
   WaveShaperNode createWaveShaper() native;
 
   void decodeAudioData(ArrayBuffer audioData, AudioBufferCallback successCallback, [AudioBufferCallback errorCallback = null]) native;
 
   void startRendering() native;
 
   var dartObjectLocalStorage;
 
   String get typeName() native;
 }