The class itself and its unit test remains, for now, but will be removed later. Bug: webrtc:14867 Change-Id: I36cec8fca7913663f63c53622ed2760e5e048c2f Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/362580 Reviewed-by: Jakob Ivarsson <jakobi@webrtc.org> Cr-Commit-Position: refs/heads/main@{#43023}