9c78058f50
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. Bug: None Change-Id: I2c1e50090e48c892fda74f1678231a7624cac9fa Reviewed-on: https://webrtc-review.googlesource.com/23575 Commit-Queue: Oskar Sundbom <ossu@webrtc.org> Reviewed-by: Karl Wiberg <kwiberg@webrtc.org> Cr-Commit-Position: refs/heads/master@{#20884}