terelius 8a329652de DCHECK that we don't insert nullptr into event log.
BUG=None

Review-Url: https://codereview.webrtc.org/2874753003
Cr-Commit-Position: refs/heads/master@{#18100}
2017-05-11 13:05:27 +00:00
..
2017-04-11 08:50:23 +00:00
2017-04-11 08:50:23 +00:00