Intended to be used in downstream code when deleting deleting this attribute. Bug: webrtc:11607 Change-Id: I39417997a2ec2e72d726da476b5bce88abe267b6 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/267843 Reviewed-by: Erik Språng <sprang@webrtc.org> Commit-Queue: Niels Moller <nisse@webrtc.org> Cr-Commit-Position: refs/heads/main@{#37445}