Storing raw audio sink for default audio track.

talk/app/webrtc/webrtcsession.cc

Index: talk/app/webrtc/webrtcsession.cc
diff --git a/talk/app/webrtc/webrtcsession.cc b/talk/app/webrtc/webrtcsession.cc
index 29a4f3394a32c8674d272aa7b007bc0053066c52..8d4cd9ae557287b65f66dc9d0f95d598db677931 100644
--- a/talk/app/webrtc/webrtcsession.cc
+++ b/talk/app/webrtc/webrtcsession.cc
@@ -1320,13 +1320,14 @@ void WebRtcSession::SetAudioPlayoutVolume(uint32_t ssrc, double volume) {
   }
 }
 
-void WebRtcSession::SetRawAudioSink(uint32_t ssrc,
-                                    rtc::scoped_ptr<AudioSinkInterface> sink) {
+void WebRtcSession::SetRawAudioSink(
+    uint32_t ssrc,
+    rtc::scoped_refptr<AudioSinkInterface> sink) {
   ASSERT(signaling_thread()->IsCurrent());
   if (!voice_channel_)
     return;
 
-  voice_channel_->SetRawAudioSink(ssrc, std::move(sink));
+  voice_channel_->SetRawAudioSink(ssrc, sink);
 }
 
 bool WebRtcSession::SetCaptureDevice(uint32_t ssrc,