This will be immediately useful to guarantee consistent state across components referencing the pacer, but will be a net benefit overall imo. Bug: webrtc:10809 Change-Id: I49630696f757a832ccf2e4c8597193bf087ce53b Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/159885 Reviewed-by: Stefan Holmer <stefan@webrtc.org> Commit-Queue: Erik Språng <sprang@webrtc.org> Cr-Commit-Position: refs/heads/master@{#29859}