Update MediaRecorderHandler to use AudioTrackRecorder

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 {
 
 static const char kTestStreamLabel[] = "stream_label";
 
 MockMediaStreamRegistry::MockMediaStreamRegistry() {}
@@ skipping 23 matching lines @@
 
   MediaStreamVideoTrack* native_track =
       new MediaStreamVideoTrack(native_source,
                                 constraints,
                                 MediaStreamVideoSource::ConstraintsCallback(),
                                 true);
   blink_track.setExtraData(native_track);
   test_stream_.addTrack(blink_track);
 }
 
+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, device_info, constraints, nullptr,
+                                          nullptr));

[mcasas, 2015/11/19 00:49:52]

nit: add the parameter names in a comment /**/ for those
few that are hardcoded. (l.455 should do that too...)

[ajose, 2015/11/19 22:17:19]

Done.

+  const scoped_refptr<WebRtcLocalAudioTrackAdapter> adapter(
+      WebRtcLocalAudioTrackAdapter::Create(track_id, nullptr));
+  scoped_ptr<WebRtcLocalAudioTrack> native_track(
+      new WebRtcLocalAudioTrack(adapter.get(), capturer, nullptr));
+  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