a99665226a
The delay_ms stat in AudioprocessStats should be an Optional, because its value is not always computed. This CL changes it to an optional. Bug: webrtc:8569 Change-Id: I42fd7a86b975c766b685444bf1829511f790da2a Reviewed-on: https://webrtc-review.googlesource.com/33320 Reviewed-by: Per Åhgren <peah@webrtc.org> Commit-Queue: Ivo Creusen <ivoc@webrtc.org> Cr-Commit-Position: refs/heads/master@{#21293}