016ae448e0
This is a reland of commit 5831afb8328cbecdbdbee882280ef907a09d9f31 Original change's description: > Delete unused class GlobalMutex > > Bug: webrtc:13869 > Change-Id: Id3655bdd24630b78e83b606291605a37129fd4bc > Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/258131 > Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org> > Commit-Queue: Niels Moller <nisse@webrtc.org> > Cr-Commit-Position: refs/heads/main@{#36478} Bug: webrtc:13869 Change-Id: I43f41c9128fc8054fc0051cbeb4dbe5cfc91f458 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/258137 Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org> Commit-Queue: Niels Moller <nisse@webrtc.org> Cr-Commit-Position: refs/heads/main@{#36491}