Support for remote audio into tracks

webrtc/audio/audio_receive_stream.cc

Index: webrtc/audio/audio_receive_stream.cc
diff --git a/webrtc/audio/audio_receive_stream.cc b/webrtc/audio/audio_receive_stream.cc
index 87cb215bae6fa4473fd7588b85acfad4c124ae49..dfad79f9d76420460267f2fdd0e1265a928b8786 100644
--- a/webrtc/audio/audio_receive_stream.cc
+++ b/webrtc/audio/audio_receive_stream.cc
@@ -11,7 +11,9 @@
 #include "webrtc/audio/audio_receive_stream.h"
 
 #include <string>
+#include <utility>
 
+#include "webrtc/audio/audio_sink.h"
 #include "webrtc/audio/audio_state.h"
 #include "webrtc/audio/conversion.h"
 #include "webrtc/base/checks.h"
@@ -201,6 +203,11 @@ webrtc::AudioReceiveStream::Stats AudioReceiveStream::GetStats() const {
   return stats;
 }
 
+void AudioReceiveStream::SetSink(rtc::scoped_ptr<AudioSinkInterface> sink) {
+  RTC_DCHECK(thread_checker_.CalledOnValidThread());
+  channel_proxy_->SetSink(std::move(sink));
+}
+
 const webrtc::AudioReceiveStream::Config& AudioReceiveStream::config() const {
   RTC_DCHECK(thread_checker_.CalledOnValidThread());
   return config_;