
Replaces lock-based implementation with AtomicInteger. Bug: webrtc:7749 Change-Id: I226093b0af2090c080dfd4f87ed8f33a3f9efbd8 Reviewed-on: https://webrtc-review.googlesource.com/64162 Commit-Queue: Sami Kalliomäki <sakal@webrtc.org> Reviewed-by: Magnus Jedvert <magjed@webrtc.org> Cr-Commit-Position: refs/heads/master@{#22798}