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

content/renderer/media/webrtc/webrtc_media_stream_adapter_unittest.cc

Index: content/renderer/media/webrtc/webrtc_media_stream_adapter_unittest.cc
diff --git a/content/renderer/media/webrtc/webrtc_media_stream_adapter_unittest.cc b/content/renderer/media/webrtc/webrtc_media_stream_adapter_unittest.cc
index 26546f4fda07e93a8c25dffd90e754de9d05c54a..d23cfa9bfa2e40c931c3730e827f26740a06455e 100644
--- a/content/renderer/media/webrtc/webrtc_media_stream_adapter_unittest.cc
+++ b/content/renderer/media/webrtc/webrtc_media_stream_adapter_unittest.cc
@@ -11,6 +11,7 @@
 #include "content/renderer/media/media_stream_audio_source.h"
 #include "content/renderer/media/media_stream_video_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/mock_peer_connection_dependency_factory.h"
 #include "content/renderer/media/webrtc/webrtc_local_audio_track_adapter.h"
@@ -49,11 +50,19 @@
       audio_source.setExtraData(new MediaStreamAudioSource());
 
       audio_track_vector[0].initialize(audio_source);
+      StreamDeviceInfo device_info(MEDIA_DEVICE_AUDIO_CAPTURE, "Mock device",
+                                   "mock_device_id");
+      MockMediaConstraintFactory constraint_factory;
+      const blink::WebMediaConstraints constraints =
+          constraint_factory.CreateWebMediaConstraints();
+      scoped_refptr<WebRtcAudioCapturer> capturer(
+          WebRtcAudioCapturer::CreateCapturer(-1, device_info, constraints,
+                                              nullptr, nullptr));
       scoped_refptr<WebRtcLocalAudioTrackAdapter> adapter(
           WebRtcLocalAudioTrackAdapter::Create(
               audio_track_vector[0].id().utf8(), nullptr));
       scoped_ptr<WebRtcLocalAudioTrack> native_track(
-          new WebRtcLocalAudioTrack(adapter.get()));
+          new WebRtcLocalAudioTrack(adapter.get(), capturer, nullptr));
       audio_track_vector[0].setExtraData(native_track.release());
     }