Replace SetCapturer and SetCaptureDevice by SetSource.

webrtc/api/webrtcsession.cc

Index: webrtc/api/webrtcsession.cc
diff --git a/webrtc/api/webrtcsession.cc b/webrtc/api/webrtcsession.cc
index 2c414a9761fca2d9d7e001e71f2a99076763615e..c5b48109d4af45268edae0d1ca234aaa2dcd775f 100644
--- a/webrtc/api/webrtcsession.cc
+++ b/webrtc/api/webrtcsession.cc
@@ -1249,8 +1249,9 @@ void WebRtcSession::SetRawAudioSink(uint32_t ssrc,
   voice_channel_->SetRawAudioSink(ssrc, std::move(sink));
 }
 
-bool WebRtcSession::SetCaptureDevice(uint32_t ssrc,
-                                     cricket::VideoCapturer* camera) {
+bool WebRtcSession::SetSource(
+    uint32_t ssrc,
+    rtc::VideoSourceInterface<cricket::VideoFrame>* source) {
   ASSERT(signaling_thread()->IsCurrent());
 
   if (!video_channel_) {
@@ -1259,13 +1260,7 @@ bool WebRtcSession::SetCaptureDevice(uint32_t ssrc,
     LOG(LS_WARNING) << "Video not used in this call.";
     return false;
   }
-  if (!video_channel_->SetCapturer(ssrc, camera)) {
-    // Allow that SetCapturer fail if |camera| is NULL but assert otherwise.
-    // This in the normal case when the underlying media channel has already
-    // been deleted.
-    ASSERT(camera == NULL);
-    return false;
-  }
+  video_channel_->SetSource(ssrc, source);
   return true;
 }