
more standard optional<T> inlines compares instead of converting second argument to T. that leads to warnings about comparing unsigned to signed integers. Bug: webrtc:9078 Change-Id: I43cc729d3b85d789b0c394064dc7e11dc27a37aa Reviewed-on: https://webrtc-review.googlesource.com/66782 Commit-Queue: Danil Chapovalov <danilchap@webrtc.org> Reviewed-by: Karl Wiberg <kwiberg@webrtc.org> Cr-Commit-Position: refs/heads/master@{#22779}