GitLab

This is probably caused by a slow renderer process that is removed by
the swapout / unload timeout before it has finished running its unload
handler.

BUG=969727

Change-Id: I83c9af526ce0550435f62758a057741c5155b7d5
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1643533
Commit-Queue: Arthur Sonzogni <arthursonzogni@chromium.org>
Reviewed-by: Alex Moshchuk <alexmos@chromium.org>
Cr-Commit-Position: refs/heads/master@{#666225}