This is part of the long term plan to stop using pointer + length to pass around buffers. Bug: webrtc:14870 Change-Id: Ibaf5258fd326b56132b9b5a8a6b1563a763ef2f8 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/314960 Reviewed-by: Danil Chapovalov <danilchap@webrtc.org> Commit-Queue: Harald Alvestrand <hta@webrtc.org> Cr-Commit-Position: refs/heads/main@{#40512}