same way as generic frame descriptor is authenticated. Bug: webrtc:10342 Change-Id: I50bb3ab343d66f1f628083183444da6e338f7db9 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/168681 Commit-Queue: Danil Chapovalov <danilchap@webrtc.org> Reviewed-by: Markus Handell <handellm@webrtc.org> Cr-Commit-Position: refs/heads/master@{#30578}