Add a 'remote' property to MediaSourceInterface. Also adding an implementation to the relevant sour…

talk/app/webrtc/remoteaudiosource.cc

 /*
  * libjingle
  * Copyright 2014 Google Inc.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
  *
  *  1. Redistributions of source code must retain the above copyright notice,
  *     this list of conditions and the following disclaimer.
  *  2. Redistributions in binary form must reproduce the above copyright notice,
@@ skipping 88 matching lines @@
     provider->SetRawAudioSink(
         ssrc, rtc::scoped_ptr<AudioSinkInterface>(new Sink(this)));
   }
 }
 
 MediaSourceInterface::SourceState RemoteAudioSource::state() const {
   RTC_DCHECK(main_thread_->IsCurrent());
   return state_;
 }
 
+bool RemoteAudioSource::remote() const {
+  RTC_DCHECK(main_thread_->IsCurrent());
+  return true;
+}
+
 void RemoteAudioSource::SetVolume(double volume) {
   RTC_DCHECK(volume >= 0 && volume <= 10);
   for (auto* observer : audio_observers_)
     observer->OnSetVolume(volume);
 }
 
 void RemoteAudioSource::RegisterAudioObserver(AudioObserver* observer) {
   RTC_DCHECK(observer != NULL);
   RTC_DCHECK(std::find(audio_observers_.begin(), audio_observers_.end(),
                        observer) == audio_observers_.end());
@@ skipping 43 matching lines @@
 }
 
 void RemoteAudioSource::OnMessage(rtc::Message* msg) {
   RTC_DCHECK(main_thread_->IsCurrent());
   sinks_.clear();
   state_ = MediaSourceInterface::kEnded;
   FireOnChanged();
 }
 
 }  // namespace webrtc