MediaStreamTrack: Add echo-cancellation and device-id to getSettings

content/renderer/media/webaudio_media_stream_source.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_RENDERER_MEDIA_WEBAUDIO_MEDIA_STREAM_SOURCE_H_
 #define CONTENT_RENDERER_MEDIA_WEBAUDIO_MEDIA_STREAM_SOURCE_H_
 
 #include <memory>
 
 #include "base/time/time.h"
@@ skipping 11 matching lines @@
 // MediaStreamAudioTracks. Audio data is transported directly to the tracks in
 // 10 ms chunks.
 class WebAudioMediaStreamSource final
     : NON_EXPORTED_BASE(public MediaStreamAudioSource),
       public blink::WebAudioDestinationConsumer {
  public:
   explicit WebAudioMediaStreamSource(blink::WebMediaStreamSource* blink_source);
 
   ~WebAudioMediaStreamSource() override;
 
+  void getSettings(blink::WebMediaStreamTrack::Settings&) override;
+
  private:
   // WebAudioDestinationConsumer implementation.
   //
   // Note: Blink ensures setFormat() and consumeAudio() are not called
   // concurrently across threads, but these methods could be called on any
   // thread.
   void setFormat(size_t number_of_channels, float sample_rate) override;
   void consumeAudio(const blink::WebVector<const float*>& audio_data,
                     size_t number_of_frames) override;
 
@@ skipping 31 matching lines @@
   // This object registers with a blink::WebMediaStreamSource. We keep track of
   // that in order to be able to deregister before stopping this source.
   blink::WebMediaStreamSource blink_source_;
 
   DISALLOW_COPY_AND_ASSIGN(WebAudioMediaStreamSource);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_MEDIA_WEBAUDIO_MEDIA_STREAM_SOURCE_H_