1. DomName('AudioContext.createMediaStreamSource')
  2. DocsEditable()
MediaStreamAudioSourceNode createMediaStreamSource(MediaStream mediaStream)

Source 

@DomName('AudioContext.createMediaStreamSource')
@DocsEditable()
MediaStreamAudioSourceNode createMediaStreamSource(MediaStream mediaStream) => _blink.BlinkAudioContext.instance.createMediaStreamSource_Callback_1_(this, mediaStream);