[tracing] Add a DCHECK to ensure that trace events have a valid timestamp.
Non metadata trace events should not have zero timestamps, so add a DCHECK that this is the case. BUG=456940,456940 Review URL: https://codereview.chromium.org/920963002 Cr-Commit-Position: refs/heads/master@{#316226}
Showing
Please register or sign in to comment