3419cf909e
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. R=danilchap@webrtc.org Bug: None Change-Id: Ib4694d183f04d675f2ea66d39661fdffb2a984f1 Reviewed-on: https://webrtc-review.googlesource.com/23604 Reviewed-by: Danil Chapovalov <danilchap@webrtc.org> Commit-Queue: Oskar Sundbom <ossu@webrtc.org> Cr-Commit-Position: refs/heads/master@{#20846}