GitLab

The ScopedTempDir must outlive anything that holds file(s) open within
it; otherwise, it is unable to delete itself.

BUG=546640
R=joenotcharles@chromium.org

Change-Id: I40a4febf2585e0f445790ca99f45f2ef2f3e4b52
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1889975
Auto-Submit: Greg Thompson <grt@chromium.org>
Reviewed-by: Joe Mason <joenotcharles@chromium.org>
Commit-Queue: Greg Thompson <grt@chromium.org>
Cr-Commit-Position: refs/heads/master@{#710782}