Oskar Sundbom 903dcd733a Optional: Use nullopt and implicit construction in /p2p
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: Ia65be19b24c93db360a313f82a84bfae1a49bf2d
Reviewed-on: https://webrtc-review.googlesource.com/23605
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Commit-Queue: Oskar Sundbom <ossu@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#20929}
2017-11-29 11:13:39 +00:00
..
2017-11-15 13:31:51 +00:00
2017-09-15 04:25:06 +00:00