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

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

Index: client/dom/generated/src/frog/AudioBufferSourceNode.dart
diff --git a/client/dom/generated/src/frog/AudioBufferSourceNode.dart b/client/dom/generated/src/frog/AudioBufferSourceNode.dart
index 66f1e2b2741761e66290f6b6633aed9438658e6f..7c0e78ea3c9b1dfbada2cc6e72bb8b9f5e1f3b27 100644
--- a/client/dom/generated/src/frog/AudioBufferSourceNode.dart
+++ b/client/dom/generated/src/frog/AudioBufferSourceNode.dart
@@ -1,15 +1,21 @@
 
 class AudioBufferSourceNode extends AudioSourceNode native "*AudioBufferSourceNode" {
 
-  AudioBuffer buffer;
+  AudioBuffer get buffer() native "return this.buffer;";
 
-  AudioGain gain;
+  void set buffer(AudioBuffer value) native "this.buffer = value;";
 
-  bool loop;
+  AudioGain get gain() native "return this.gain;";
 
-  bool looping;
+  bool get loop() native "return this.loop;";
 
-  AudioParam playbackRate;
+  void set loop(bool value) native "this.loop = value;";
+
+  bool get looping() native "return this.looping;";
+
+  void set looping(bool value) native "this.looping = value;";
+
+  AudioParam get playbackRate() native "return this.playbackRate;";
 
   void noteGrainOn(num when, num grainOffset, num grainDuration) native;