This class is never overridden. Bug: webrtc:14151 Change-Id: I3b70e927ee0eafd71ce4bdb8f6e8d6330c1a3f08 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/271501 Reviewed-by: Philip Eliasson <philipel@webrtc.org> Commit-Queue: Rasmus Brandt <brandtr@webrtc.org> Cr-Commit-Position: refs/heads/main@{#37781}