MediaStream audio object graph untangling and clean-ups.

content/renderer/media/audio_track_recorder_unittest.cc

Index: content/renderer/media/audio_track_recorder_unittest.cc
diff --git a/content/renderer/media/audio_track_recorder_unittest.cc b/content/renderer/media/audio_track_recorder_unittest.cc
index 2c5d23fb534be0631f1cbd15c5fdb9878fd4f1f5..885ac030fdb06e9e73e7cac5cf5f4664a27c0c38 100644
--- a/content/renderer/media/audio_track_recorder_unittest.cc
+++ b/content/renderer/media/audio_track_recorder_unittest.cc
@@ -11,7 +11,6 @@
 #include "base/stl_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "content/renderer/media/media_stream_audio_source.h"
-#include "content/renderer/media/mock_media_constraint_factory.h"
 #include "content/renderer/media/webrtc/webrtc_local_audio_track_adapter.h"
 #include "content/renderer/media/webrtc_local_audio_track.h"
 #include "media/audio/simple_sources.h"
@@ -209,15 +208,10 @@ class AudioTrackRecorderTest : public TestWithParam<ATRTestParams> {
   // track, which can be used to capture audio data and pass it to the producer.
   // Adapted from media::WebRTCLocalAudioSourceProviderTest.
   void PrepareBlinkTrack() {
-    MockMediaConstraintFactory constraint_factory;
-    scoped_refptr<WebRtcAudioCapturer> capturer(
-        WebRtcAudioCapturer::CreateCapturer(
-            -1, StreamDeviceInfo(),
-            constraint_factory.CreateWebMediaConstraints(), NULL, NULL));
     scoped_refptr<WebRtcLocalAudioTrackAdapter> adapter(
         WebRtcLocalAudioTrackAdapter::Create(std::string(), NULL));
     scoped_ptr<WebRtcLocalAudioTrack> native_track(
-        new WebRtcLocalAudioTrack(adapter.get(), capturer, NULL));
+        new WebRtcLocalAudioTrack(adapter.get()));
     blink::WebMediaStreamSource audio_source;
     audio_source.initialize(base::UTF8ToUTF16("dummy_source_id"),
                             blink::WebMediaStreamSource::TypeAudio,