GitLab

Dedicated thread wastes resources and causes races in tests where
it can outlive thread pools.

Bug: 938126
Change-Id: I335d719d72c6291c03ef33480a81b7cda719b877
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1609883
Auto-Submit: Paul Jensen <pauljensen@chromium.org>
Commit-Queue: Eric Orth <ericorth@chromium.org>
Reviewed-by: Eric Orth <ericorth@chromium.org>
Cr-Commit-Position: refs/heads/master@{#659155}