They are called only by ReceivedSideCongestionController that already ensures all access is synchronized. Bug: None Change-Id: I0f87e24e3fbb0bd8f6ff679fb949d2373c554fba Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/269300 Reviewed-by: Per Kjellander <perkj@webrtc.org> Auto-Submit: Danil Chapovalov <danilchap@webrtc.org> Commit-Queue: Danil Chapovalov <danilchap@webrtc.org> Cr-Commit-Position: refs/heads/main@{#39622}