df0822b102
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=henrik.lundin@webrtc.org Bug: None Change-Id: I446549a385e020c68bafc83d5dd1aabd11d7ae18 Reviewed-on: https://webrtc-review.googlesource.com/23563 Commit-Queue: Oskar Sundbom <ossu@webrtc.org> Reviewed-by: Henrik Lundin <henrik.lundin@webrtc.org> Cr-Commit-Position: refs/heads/master@{#20718}