GitLab

These properties are available on TabLifecycleUnitExternal, which
is intended for use outside of
chrome/browser/resource_coordinator/.

Bug: 775644
Change-Id: I5708c3be32806c0109ad04ece1fffaa5f1f0709f
Reviewed-on: https://chromium-review.googlesource.com/858046
Commit-Queue: François Doray <fdoray@chromium.org>
Reviewed-by: Istiaque Ahmed <lazyboy@chromium.org>
Reviewed-by: Sébastien Marchand <sebmarchand@chromium.org>
Cr-Commit-Position: refs/heads/master@{#548414}