This feature is used only by chromium, and only for UDP sockets. Bug: webrtc:13065 Change-Id: I207ea643aa57cf23bdd36266895f65f1ee251aaa Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/232860 Reviewed-by: Harald Alvestrand <hta@webrtc.org> Reviewed-by: Jonas Oreland <jonaso@webrtc.org> Commit-Queue: Niels Moller <nisse@webrtc.org> Cr-Commit-Position: refs/heads/main@{#35106}