Add dummy dart:html library for documentation.

lib/html/doc/interface/AudioContext.dartdoc

Index: lib/html/doc/interface/AudioContext.dartdoc
diff --git a/lib/html/doc/interface/AudioContext.dartdoc b/lib/html/doc/interface/AudioContext.dartdoc
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+// Copyright (c) 2012, 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:
+//   This file contains documentation that is merged into the real source.
+//   Do not make code changes here.
+
+/// @domName AudioContext
+interface AudioContext extends EventTarget default _AudioContextFactoryProvider {
+  AudioContext();
+
+  /**
+   * @domName EventTarget.addEventListener, EventTarget.removeEventListener, EventTarget.dispatchEvent
+   */
+  AudioContextEvents get on();
+
+  /** @domName AudioContext.activeSourceCount */
+  final int activeSourceCount;
+
+  /** @domName AudioContext.currentTime */
+  final num currentTime;
+
+  /** @domName AudioContext.destination */
+  final AudioDestinationNode destination;
+
+  /** @domName AudioContext.listener */
+  final AudioListener listener;
+
+  /** @domName AudioContext.sampleRate */
+  final num sampleRate;
+
+  /** @domName AudioContext.createAnalyser */
+  RealtimeAnalyserNode createAnalyser();
+
+  /** @domName AudioContext.createBiquadFilter */
+  BiquadFilterNode createBiquadFilter();
+
+  /** @domName AudioContext.createBuffer */
+  AudioBuffer createBuffer(buffer_OR_numberOfChannels, mixToMono_OR_numberOfFrames, [num sampleRate]);
+
+  /** @domName AudioContext.createBufferSource */
+  AudioBufferSourceNode createBufferSource();
+
+  /** @domName AudioContext.createChannelMerger */
+  AudioChannelMerger createChannelMerger([int numberOfInputs]);
+
+  /** @domName AudioContext.createChannelSplitter */
+  AudioChannelSplitter createChannelSplitter([int numberOfOutputs]);
+
+  /** @domName AudioContext.createConvolver */
+  ConvolverNode createConvolver();
+
+  /** @domName AudioContext.createDelayNode */
+  DelayNode createDelayNode([num maxDelayTime]);
+
+  /** @domName AudioContext.createDynamicsCompressor */
+  DynamicsCompressorNode createDynamicsCompressor();
+
+  /** @domName AudioContext.createGainNode */
+  AudioGainNode createGainNode();
+
+  /** @domName AudioContext.createJavaScriptNode */
+  JavaScriptAudioNode createJavaScriptNode(int bufferSize, [int numberOfInputChannels, int numberOfOutputChannels]);
+
+  /** @domName AudioContext.createMediaElementSource */
+  MediaElementAudioSourceNode createMediaElementSource(MediaElement mediaElement);
+
+  /** @domName AudioContext.createOscillator */
+  Oscillator createOscillator();
+
+  /** @domName AudioContext.createPanner */
+  AudioPannerNode createPanner();
+
+  /** @domName AudioContext.createWaveShaper */
+  WaveShaperNode createWaveShaper();
+
+  /** @domName AudioContext.createWaveTable */
+  WaveTable createWaveTable(Float32Array real, Float32Array imag);
+
+  /** @domName AudioContext.decodeAudioData */
+  void decodeAudioData(ArrayBuffer audioData, AudioBufferCallback successCallback, [AudioBufferCallback errorCallback]);
+
+  /** @domName AudioContext.startRendering */
+  void startRendering();
+}
+
+interface AudioContextEvents extends Events {
+
+  EventListenerList get complete();
+}