tree ad7a4b6c822a364b9dbd0912fdf0ca2915696ad0
parent 69d276d7dcc774d273a94758af9e29501bacf310
author Oskar Sundbom <ossu@webrtc.org> 1510825989 +0100
committer Commit Bot <commit-bot@chromium.org> 1511542289 +0000

Optional: Use nullopt and implicit construction in /rtc_tools/event_log_visualizer

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=terelius@webrtc.org

Bug: None
Change-Id: I18b44f6c1bd3ccb4288807eee883b87afa7900f4
Reviewed-on: https://webrtc-review.googlesource.com/23569
Reviewed-by: Björn Terelius <terelius@webrtc.org>
Commit-Queue: Oskar Sundbom <ossu@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#20875}