Danil Chapovalov 7ba9e92fa0 Use absl::optional instead or rtc::Optional
BUG: webrtc:9078
Change-Id: I69aedce324d86e8894b81210a2de17c5ef68fd11
Reviewed-on: https://webrtc-review.googlesource.com/77082
Commit-Queue: Danil Chapovalov <danilchap@webrtc.org>
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#23440}
2018-05-30 07:51:30 +00:00
..