Replace SetCapturer and SetCaptureDevice by SetSource.

webrtc/api/peerconnectionfactory.cc

Index: webrtc/api/peerconnectionfactory.cc
diff --git a/webrtc/api/peerconnectionfactory.cc b/webrtc/api/peerconnectionfactory.cc
index 852b7a8cce80d3ecb643548b157e93b6082b7790..2473b8d653abf44f118e01a18f79ab29e77750f4 100644
--- a/webrtc/api/peerconnectionfactory.cc
+++ b/webrtc/api/peerconnectionfactory.cc
@@ -71,6 +71,7 @@ CreatePeerConnectionFactory() {
     return nullptr;
   }
   return PeerConnectionFactoryProxy::Create(pc_factory->signaling_thread(),
+                                            nullptr,
                                             pc_factory);
 }
 
@@ -98,7 +99,8 @@ CreatePeerConnectionFactory(
   if (!result) {
     return nullptr;
   }
-  return PeerConnectionFactoryProxy::Create(signaling_thread, pc_factory);
+  return PeerConnectionFactoryProxy::Create(signaling_thread, nullptr,
+                                            pc_factory);
 }
 
 PeerConnectionFactory::PeerConnectionFactory()
@@ -211,7 +213,8 @@ PeerConnectionFactory::CreateVideoSource(
   rtc::scoped_refptr<VideoTrackSourceInterface> source(
       VideoCapturerTrackSource::Create(worker_thread_, capturer, constraints,
                                        false));
-  return VideoTrackSourceProxy::Create(signaling_thread_, source);
+  return VideoTrackSourceProxy::Create(signaling_thread_, worker_thread_,
+                                       source);
 }
 
 rtc::scoped_refptr<VideoTrackSourceInterface>
@@ -219,7 +222,8 @@ PeerConnectionFactory::CreateVideoSource(cricket::VideoCapturer* capturer) {
   RTC_DCHECK(signaling_thread_->IsCurrent());
   rtc::scoped_refptr<VideoTrackSourceInterface> source(
       VideoCapturerTrackSource::Create(worker_thread_, capturer, false));
-  return VideoTrackSourceProxy::Create(signaling_thread_, source);
+  return VideoTrackSourceProxy::Create(signaling_thread_, worker_thread_,
+                                       source);
 }
 
 bool PeerConnectionFactory::StartAecDump(rtc::PlatformFile file,
@@ -305,13 +309,13 @@ PeerConnectionFactory::CreatePeerConnection(
                       std::move(dtls_identity_store), observer)) {
     return nullptr;
   }
-  return PeerConnectionProxy::Create(signaling_thread(), pc);
+  return PeerConnectionProxy::Create(signaling_thread(), nullptr, pc);
 }
 
 rtc::scoped_refptr<MediaStreamInterface>
 PeerConnectionFactory::CreateLocalMediaStream(const std::string& label) {
   RTC_DCHECK(signaling_thread_->IsCurrent());
-  return MediaStreamProxy::Create(signaling_thread_,
+  return MediaStreamProxy::Create(signaling_thread_, nullptr,
                                   MediaStream::Create(label));
 }
 
@@ -321,7 +325,7 @@ rtc::scoped_refptr<VideoTrackInterface> PeerConnectionFactory::CreateVideoTrack(
   RTC_DCHECK(signaling_thread_->IsCurrent());
   rtc::scoped_refptr<VideoTrackInterface> track(
       VideoTrack::Create(id, source));
-  return VideoTrackProxy::Create(signaling_thread_, track);
+  return VideoTrackProxy::Create(signaling_thread_, worker_thread_, track);
 }
 
 rtc::scoped_refptr<AudioTrackInterface>
@@ -329,7 +333,7 @@ PeerConnectionFactory::CreateAudioTrack(const std::string& id,
                                         AudioSourceInterface* source) {
   RTC_DCHECK(signaling_thread_->IsCurrent());
   rtc::scoped_refptr<AudioTrackInterface> track(AudioTrack::Create(id, source));
-  return AudioTrackProxy::Create(signaling_thread_, track);
+  return AudioTrackProxy::Create(signaling_thread_, nullptr, track);
 }
 
 webrtc::MediaControllerInterface* PeerConnectionFactory::CreateMediaController(