3808709afd
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=sprang@webrtc.org Bug: None Change-Id: Ic429f28a8610ca798e29c45ec1f64604d6f9687f Reviewed-on: https://webrtc-review.googlesource.com/23603 Reviewed-by: Erik Språng <sprang@webrtc.org> Commit-Queue: Oskar Sundbom <ossu@webrtc.org> Cr-Commit-Position: refs/heads/master@{#20955}