Markus Handell 9cbdd6976a Revert "Migrate modules/pacing to webrtc::Mutex."
This reverts commit 11ae285df916db70158cb9808260ebae1f7db012.

Reason for revert: downstream test failed.

Original change's description:
> Migrate modules/pacing to webrtc::Mutex.
> 
> Bug: webrtc:11567
> Change-Id: I5624d7f2528d584ba92a66e5ae0097ab2e0724d8
> Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/176852
> Reviewed-by: Erik Språng <sprang@webrtc.org>
> Commit-Queue: Markus Handell <handellm@webrtc.org>
> Cr-Commit-Position: refs/heads/master@{#31484}

TBR=sprang@webrtc.org,handellm@webrtc.org

Change-Id: If3b31d8b7b7ba94bc6fffe5a441150cd59252078
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: webrtc:11567
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/176854
Reviewed-by: Markus Handell <handellm@webrtc.org>
Commit-Queue: Markus Handell <handellm@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#31486}
2020-06-10 12:13:52 +00:00
..