2707fb2782
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=solenberg@webrtc.org Bug: None Change-Id: I03562600978bdedb9dc93a34aeb0561c66f54aae Reviewed-on: https://webrtc-review.googlesource.com/23617 Reviewed-by: Fredrik Solenberg <solenberg@webrtc.org> Commit-Queue: Oskar Sundbom <ossu@webrtc.org> Cr-Commit-Position: refs/heads/master@{#20731}