* Reorder and rename members. * Add comments. * Define struct first in the class, as per style guide. * Update direct callers. Bug: webrtc:15085 Change-Id: I37d26cae1953dacbba7d0507da48e3829ab84ba5 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/304403 Commit-Queue: Rasmus Brandt <brandtr@webrtc.org> Reviewed-by: Åsa Persson <asapersson@webrtc.org> Cr-Commit-Position: refs/heads/main@{#40011}