A typo in a previous CL made OnLossNotification() accept its single argument as a const-value, rather than a const-reference. Bug: webrtc:10501 Change-Id: I5e6f9c79f15205b75ec90a53d3fccf3dd9927e33 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/133343 Reviewed-by: Erik Språng <sprang@webrtc.org> Commit-Queue: Elad Alon <eladalon@webrtc.org> Cr-Commit-Position: refs/heads/master@{#27659}