Clean up ThreadLocalStorage::HasBeenDestroyed.

This CL has no intended behavior change. It addresses some comments from gab@ on
another CL that already landed:
https://chromium-review.googlesource.com/c/chromium/src/+/978393.

Bug: 825218
Change-Id: I78fee61253c6b885350774b774477060580984be
Reviewed-on: https://chromium-review.googlesource.com/998313
Commit-Queue: Erik Chen <erikchen@chromium.org>
Reviewed-by: Gabriel Charette <gab@chromium.org>
Cr-Commit-Position: refs/heads/master@{#552172}

CrOS-Libchrome-Original-Commit: 5d005e82a9af6994318328290d13c6d006ac0eb4
2 files changed
tree: c7270837bec715043b32098f7a165e2aa4ed2fdc
  1. base/
  2. build/
  3. components/
  4. dbus/
  5. device/
  6. ipc/
  7. mojo/
  8. testing/
  9. third_party/
  10. ui/