Add constructors for WebAudio nodes

third_party/WebKit/Source/modules/webaudio/AudioNode.idl

 /*
  * Copyright (C) 2010, Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1.  Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
  * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+// See http://webaudio.github.io/web-audio-api/#idl-def-AudioNode
+
 enum ChannelCountMode {
     "max",
     "clamped-max",
     "explicit"
 };
 
 enum ChannelInterpretation {
     "speakers",
     "discrete"
 };
 
-// http://webaudio.github.io/web-audio-api/#idl-def-AudioNode
-
 [
 ] interface AudioNode : EventTarget {
     [RaisesException, MeasureAs=AudioNodeConnectToAudioNode] AudioNode connect(AudioNode destination, optional unsigned long output = 0, optional unsigned long input = 0);
     [RaisesException, MeasureAs=AudioNodeConnectToAudioParam] void connect(AudioParam destination, optional unsigned long output = 0);
     void disconnect();
     [RaisesException, MeasureAs=AudioNodeDisconnectFromAudioNode] void disconnect(unsigned long output);
     [RaisesException, MeasureAs=AudioNodeDisconnectFromAudioNode] void disconnect(AudioNode destination);
     [RaisesException, MeasureAs=AudioNodeDisconnectFromAudioNode] void disconnect(AudioNode destination, unsigned long output);
     [RaisesException, MeasureAs=AudioNodeDisconnectFromAudioNode] void disconnect(AudioNode destination, unsigned long output, unsigned long input);
     [RaisesException, MeasureAs=AudioNodeDisconnectFromAudioParam] void disconnect(AudioParam destination);
     [RaisesException, MeasureAs=AudioNodeDisconnectFromAudioParam] void disconnect(AudioParam destination, unsigned long output);
     readonly attribute BaseAudioContext context;
     readonly attribute unsigned long numberOfInputs;
     readonly attribute unsigned long numberOfOutputs;
     [RaisesException=Setter] attribute unsigned long         channelCount;
     [RaisesException=Setter] attribute ChannelCountMode      channelCountMode;
     [RaisesException=Setter] attribute ChannelInterpretation channelInterpretation;
 };