Make AllDismissedItem and Footer optional leaves.

Make AllDismissedItem and Footer optional leaves.

BUG=616090
Committed: https://crrev.com/e4fa733a47d0a1a75605c2427bfa18bee6aa9fd4
Cr-Commit-Position: refs/heads/master@{#433568}

[Bernhard Bauer, 2016-11-18 17:14:57]

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

[commit-bot: I haz the power, 2016-11-18 17:15:59]

Dry run: 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, 2016-11-18 18:39:57]

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

[commit-bot: I haz the power, 2016-11-18 18:39:58]

Dry run: This issue passed the CQ dry run.

[Bernhard Bauer, 2016-11-21 13:13:28]

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

[commit-bot: I haz the power, 2016-11-21 13:13:52]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[Bernhard Bauer, 2016-11-21 14:35:14]

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

[Bernhard Bauer, 2016-11-21 14:35:14]

Please review. Thanks!

[Michael van Ouwerkerk, 2016-11-21 16:14:13]

That's neat :-) lgtm

[Bernhard Bauer, 2016-11-21 16:18:24]

The CQ bit was checked by bauerb@chromium.org

[commit-bot: I haz the power, 2016-11-21 16:18:52]

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, 2016-11-21 16:52:09]

CQ is committing da patch.

Bot data: {"patchset_id": 40001, "attempt_start_ts": 1479745104487750,
"parent_rev": "c20714216d56bdddb3b5c5462c7f24b1fec422b5", "commit_rev":
"dd4ab56f1a48939bcf3c5a243c8c72b0bd39a554"}

[commit-bot: I haz the power, 2016-11-21 16:53:22]

Committed patchset #3 (id:40001)

[commit-bot: I haz the power, 2016-11-21 16:57:03]

Description was changed from

==========
Make AllDismissedItem and Footer optional leaves.

BUG=616090
==========

to

==========
Make AllDismissedItem and Footer optional leaves.

BUG=616090

Committed: https://crrev.com/e4fa733a47d0a1a75605c2427bfa18bee6aa9fd4
Cr-Commit-Position: refs/heads/master@{#433568}
==========

[commit-bot: I haz the power, 2016-11-21 16:57:04]

Patchset 3 (id:??) landed as
https://crrev.com/e4fa733a47d0a1a75605c2427bfa18bee6aa9fd4
Cr-Commit-Position: refs/heads/master@{#433568}