For now, old file forward include api/transport/ecn_marking.h Done in preparation for more usage of this enum when handling received RFC8888 feedback. Bug: webrtc:42225697 Change-Id: I022c2b7f1e7f986b24aa32b8911ad67c6640a5c0 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/366440 Reviewed-by: Danil Chapovalov <danilchap@webrtc.org> Reviewed-by: Harald Alvestrand <hta@webrtc.org> Commit-Queue: Per Kjellander <perkj@webrtc.org> Cr-Commit-Position: refs/heads/main@{#43282}