248ccf8ad4
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=tommi@webrtc.org Bug: None Change-Id: I0ca1b624859a6561e227480b7dac8c254d26ad57 Reviewed-on: https://webrtc-review.googlesource.com/23562 Reviewed-by: Tommi <tommi@webrtc.org> Commit-Queue: Oskar Sundbom <ossu@webrtc.org> Cr-Commit-Position: refs/heads/master@{#20916}