7880758b90
Changes places where we explicitly construct an Optional to instead use nullopt or the requisite value type only. This CL was uploaded by git cl split. TBR=pthatcher@webrtc.org Bug: None Change-Id: I6dd8677a65f897877fc848aefa7ab37d844e70ed Reviewed-on: https://webrtc-review.googlesource.com/23573 Commit-Queue: Oskar Sundbom <ossu@webrtc.org> Reviewed-by: Steve Anton <steveanton@webrtc.org> Cr-Commit-Position: refs/heads/master@{#20816}