GitLab

Instead of trying to handle a NOTREACHED() condition, just crash if the
impossible happens.

Change-Id: Ifbfdabe7e044c22c61b2e143d516d250319b6fe3
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1854245Reviewed-by: Rebekah Potter <rbpotter@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>
Cr-Commit-Position: refs/heads/master@{#705001}