Delete VieRemb class, move functionality to PacketRouter.

webrtc/video_receive_stream.h

Index: webrtc/video_receive_stream.h
diff --git a/webrtc/video_receive_stream.h b/webrtc/video_receive_stream.h
index 33d779d9b39444ab09a53d8457e879034dcf41f2..b3a98c617ac2ebc120bf50f557faf537af47ba52 100644
--- a/webrtc/video_receive_stream.h
+++ b/webrtc/video_receive_stream.h
@@ -132,6 +132,15 @@ class VideoReceiveStream {
         bool receiver_reference_time_report = false;
       } rtcp_xr;
 
+      // TODO(nisse): This remb setting is currently set but never
+      // applied. REMB logic is now the responsibility of
+      // PacketRouter, and it will generate REMB feedback if
+      // OnReceiveBitrateChanged is used, which depends on how the
+      // estimators belonging to the ReceiveSideCongestionController
+      // are configured. Decide if this setting should be deleted, and
+      // if it needs to be replaced by a setting in PacketRouter to
+      // disable REMB feedback.
+
       // See draft-alvestrand-rmcat-remb for information.
       bool remb = false;