📰 Consider hidden categories when checking staleness

[Suggestions] Consider hidden categories when checking staleness

Some content suggestions categories are hidden when no content is
available. The UI used to completely ignore them, when when checking
that the list of categories didn't change, that caused the UI's data
to be always considered stale.

We now keep track of these hidden categories, blacklisting them when
they should not be shown, and removing them from the blacklist when
we get notified of a change about them.

BUG=689962
Review-Url: https://codereview.chromium.org/2846123002
Cr-Commit-Position: refs/heads/master@{#467950}
Committed: https://chromium.googlesource.com/chromium/src/+/1ef06828f008ae8d6708e17a0fa35db5ecc48ff5

[dgn, 2017-04-27 21:44:45]

The CQ bit was checked by dgn@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2017-04-27 21:45:21]

Dry run: CQ is trying da patch.

Follow status at:
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[dgn, 2017-04-27 21:54:15]

dgn@chromium.org changed reviewers:
+ mvanouwerkerk@chromium.org

[dgn, 2017-04-27 21:54:16]

PTAL

[commit-bot: I haz the power, 2017-04-27 22:38:28]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2017-04-27 22:38:29]

Dry run: This issue passed the CQ dry run.

[Michael van Ouwerkerk, 2017-04-28 09:49:17]

lgtm

[dgn, 2017-04-28 10:17:35]

The CQ bit was checked by dgn@chromium.org

[commit-bot: I haz the power, 2017-04-28 10:18:00]

CQ is trying da patch.

Follow status at:
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2017-04-28 10:21:56]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1493374655361410, "parent_rev":
"fbeb99d9b4804941696a8396e7e84f1168c48f46", "commit_rev":
"1ef06828f008ae8d6708e17a0fa35db5ecc48ff5"}

[commit-bot: I haz the power, 2017-04-28 10:22:09]

Description was changed from

==========
[Suggestions] Consider hidden categories when checking staleness

Some content suggestions categories are hidden when no content is
available. The UI used to completely ignore them, when when checking
that the list of categories didn't change, that caused the UI's data
to be always considered stale.

We now keep track of these hidden categories, blacklisting them when
they should not be shown, and removing them from the blacklist when
we get notified of a change about them.

BUG=689962
==========

to

==========
[Suggestions] Consider hidden categories when checking staleness

Some content suggestions categories are hidden when no content is
available. The UI used to completely ignore them, when when checking
that the list of categories didn't change, that caused the UI's data
to be always considered stale.

We now keep track of these hidden categories, blacklisting them when
they should not be shown, and removing them from the blacklist when
we get notified of a change about them.

BUG=689962

Review-Url: https://codereview.chromium.org/2846123002
Cr-Commit-Position: refs/heads/master@{#467950}
Committed:
https://chromium.googlesource.com/chromium/src/+/1ef06828f008ae8d6708e17a0fa3...
==========

[commit-bot: I haz the power, 2017-04-28 10:22:10]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/1ef06828f008ae8d6708e17a0fa3...