Make cricket::VideoCapturer implement VideoSourceInterface

talk/session/media/channel.cc

Index: talk/session/media/channel.cc
diff --git a/talk/session/media/channel.cc b/talk/session/media/channel.cc
index a59c3f82b771848b79f88fa949e781d77c5f5a07..3718e65440915453fdb4283cc05c7d6852792ff5 100644
--- a/talk/session/media/channel.cc
+++ b/talk/session/media/channel.cc
@@ -1726,6 +1726,12 @@ bool VideoChannel::SetVideoSend(uint32_t ssrc,
                              ssrc, mute, options));
 }
 
+rtc::VideoSinkInterface<cricket::VideoFrame>* VideoChannel::GetSink(
+    uint32_t ssrc) {
+  return worker_thread()->Invoke<rtc::VideoSinkInterface<cricket::VideoFrame>*>(
+      Bind(&VideoMediaChannel::GetSink, media_channel(), ssrc));
+}
+
 void VideoChannel::ChangeState() {
   // Send outgoing data if we're the active call, we have the remote content,
   // and we have had some form of connectivity.