Revert of MediaStream audio object graph untangling and clean-ups.

content/renderer/media/mock_media_stream_registry.cc

 // Copyright (c) 2013 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.
 
 #include "content/renderer/media/mock_media_stream_registry.h"
 
 #include <string>
 
 #include "base/strings/utf_string_conversions.h"
 #include "content/renderer/media/media_stream.h"
 #include "content/renderer/media/media_stream_audio_source.h"
 #include "content/renderer/media/media_stream_video_track.h"
+#include "content/renderer/media/mock_media_constraint_factory.h"
 #include "content/renderer/media/mock_media_stream_video_source.h"
 #include "content/renderer/media/webrtc/webrtc_local_audio_track_adapter.h"
 #include "content/renderer/media/webrtc_local_audio_track.h"
 #include "third_party/WebKit/public/platform/WebMediaStreamSource.h"
 #include "third_party/WebKit/public/platform/WebMediaStreamTrack.h"
 #include "third_party/WebKit/public/platform/WebString.h"
 #include "third_party/WebKit/public/platform/WebVector.h"
 
 namespace content {
 
@@ skipping 32 matching lines @@
 }
 
 void MockMediaStreamRegistry::AddAudioTrack(const std::string& track_id) {
   blink::WebMediaStreamSource audio_source;
   audio_source.initialize(
       "mock audio source id", blink::WebMediaStreamSource::TypeAudio,
       "mock audio source name", false /* remote */, true /* readonly */);
   audio_source.setExtraData(new MediaStreamAudioSource());
   blink::WebMediaStreamTrack blink_track;
   blink_track.initialize(audio_source);
+  const StreamDeviceInfo device_info(
+      MEDIA_DEVICE_AUDIO_CAPTURE, "Mock audio device", "mock_audio_device_id");
+  const MockMediaConstraintFactory constraint_factory;
+  const blink::WebMediaConstraints constraints =
+      constraint_factory.CreateWebMediaConstraints();
+  const scoped_refptr<WebRtcAudioCapturer> capturer(
+      WebRtcAudioCapturer::CreateCapturer(-1, /* render frame id */
+                                          device_info, constraints,
+                                          nullptr, /* audio device */
+                                          nullptr /* audio source */));
   const scoped_refptr<WebRtcLocalAudioTrackAdapter> adapter(
       WebRtcLocalAudioTrackAdapter::Create(track_id,
                                            nullptr /* track source */));
-  scoped_ptr<WebRtcLocalAudioTrack> native_track(
-      new WebRtcLocalAudioTrack(adapter.get()));
+  scoped_ptr<WebRtcLocalAudioTrack> native_track(new WebRtcLocalAudioTrack(
+      adapter.get(), capturer, nullptr /* webaudio source */));
   blink_track.setExtraData(native_track.release());
   test_stream_.addTrack(blink_track);
 }
 
 blink::WebMediaStream MockMediaStreamRegistry::GetMediaStream(
     const std::string& url) {
   return (url != stream_url_) ? blink::WebMediaStream() : test_stream_;
 }
 
 }  // namespace content