The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/0302e5082c1d15d38a73c3543be73d43fcc31b4d

commit 0302e5082c1d15d38a73c3543be73d43fcc31b4d
Author: Tanja Gornak <melandory@chromium.org>
Date: Tue Aug 28 19:21:28 2018

Trigger the disabling logic for topics.

The Registration Manager, which is used for the invalidation should
disable ids for which invalidations shouldn't be received.

Bug:  870282 , 801985
Change-Id: Idc7105d2924e9b1ac9d51b22add7a2b1ce6d94e9
Reviewed-on: https://chromium-review.googlesource.com/1160521
Commit-Queue: Tatiana Gornak <melandory@chromium.org>
Reviewed-by: Pavel Yatsuk <pavely@chromium.org>
Cr-Commit-Position: refs/heads/master@{#586809}
[modify] https://crrev.com/0302e5082c1d15d38a73c3543be73d43fcc31b4d/components/invalidation/impl/fcm_sync_invalidation_listener.cc
[modify] https://crrev.com/0302e5082c1d15d38a73c3543be73d43fcc31b4d/components/invalidation/impl/fcm_sync_invalidation_listener_unittest.cc
[modify] https://crrev.com/0302e5082c1d15d38a73c3543be73d43fcc31b4d/components/invalidation/impl/per_user_topic_registration_manager.cc
[modify] https://crrev.com/0302e5082c1d15d38a73c3543be73d43fcc31b4d/components/invalidation/impl/per_user_topic_registration_manager.h
[modify] https://crrev.com/0302e5082c1d15d38a73c3543be73d43fcc31b4d/components/invalidation/impl/per_user_topic_registration_manager_unittest.cc

Can this be closed now?