Generate dart:html bindings for Dartium as well as Frog. All unittests now pass (or are disabled fo…

client/html/generated/html/dartium/AudioBuffer.dart

+
+class _AudioBufferImpl extends _DOMTypeBase implements AudioBuffer {
+  _AudioBufferImpl._wrap(ptr) : super._wrap(ptr);
+
+  num get duration() => _wrap(_ptr.duration);
+
+  num get gain() => _wrap(_ptr.gain);
+
+  void set gain(num value) { _ptr.gain = _unwrap(value); }
+
+  int get length() => _wrap(_ptr.length);
+
+  int get numberOfChannels() => _wrap(_ptr.numberOfChannels);
+
+  num get sampleRate() => _wrap(_ptr.sampleRate);
+
+  Float32Array getChannelData(int channelIndex) {
+    return _wrap(_ptr.getChannelData(_unwrap(channelIndex)));
+  }
+}