523eff622e
With this CL the migration to absl::optional<T> is complete. Bug: webrtc:15164 Change-Id: I978d86833fbd39154ed9026206a02ea7496f8c4f Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/335640 Reviewed-by: Harald Alvestrand <hta@webrtc.org> Commit-Queue: Henrik Boström <hbos@webrtc.org> Reviewed-by: Evan Shrubsole <eshr@google.com> Cr-Commit-Position: refs/heads/main@{#41616}