It is used to distinguish between audio/video packets and everything else (retransmit/padding/fec), so naming it is_media makes more sense. This is a follow up to https://webrtc-review.googlesource.com/366644 Bug: b/375148360 Change-Id: Ia53f4d707ceb85f059688d86bc5dcc2d57908d88 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/366424 Reviewed-by: Danil Chapovalov <danilchap@webrtc.org> Commit-Queue: Jakob Ivarsson <jakobi@webrtc.org> Reviewed-by: Per Kjellander <perkj@webrtc.org> Cr-Commit-Position: refs/heads/main@{#43319}