This helper method does not belong to the Clock class. Also, it's simple enough that it's not needed.
Bug: webrtc:11327
Change-Id: I95a33f08fd568b293b591171ecaf5e7aef8d413c
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/214123
Reviewed-by: Henrik Andreassson <henrika@webrtc.org>
Reviewed-by: Danil Chapovalov <danilchap@webrtc.org>
Reviewed-by: Minyue Li <minyue@webrtc.org>
Commit-Queue: Paul Hallak <phallak@google.com>
Cr-Commit-Position: refs/heads/master@{#33652}