GitLab

PerformanceManagerLockObserver must stay alive until after
base::ThreadPool shutdown because it can be accessed by IndexedDB
which runs on a base::ThreadPool sequence.

Bug: 980533
Change-Id: I6d454cffa68cb776b9c4abf3180506096c4e91c4
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1856891
Commit-Queue: François Doray <fdoray@chromium.org>
Reviewed-by: Sébastien Marchand <sebmarchand@chromium.org>
Cr-Commit-Position: refs/heads/master@{#705370}