Do not show irrelevant registration promos to supervised and guest users

Do not show irrelevant registration promos to supervised and guest users

Hide registration promos for supervised and guest users. Also hide cloud print
connector section and irrelevant "cloud devices" section (since users cannot log
in).

BUG=288614, 340893
Committed: https://crrev.com/00b31698ea813d2769d7a4f0f0442db203571b07
Cr-Commit-Position: refs/heads/master@{#292806}

[Noam Samuel, 2014-08-29 22:42:54]

noamsml@chromium.org changed reviewers:
+ vitalybuka@chromium.org

[Vitaly Buka (NO REVIEWS), 2014-08-30 19:43:24]

The CQ bit was checked by vitalybuka@chromium.org

[Vitaly Buka (NO REVIEWS), 2014-08-30 19:43:25]

lgtm

[commit-bot: I haz the power, 2014-08-30 19:43:49]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/noamsml@chromium.org/521953002/1

[commit-bot: I haz the power, 2014-08-30 20:42:47]

Committed patchset #1 (id:1) as 9b6fc6af95d151b70e06f90c19af4e8da0ebba4e

[commit-bot: I haz the power, 2014-09-10 03:14:47]

Patchset 1 (id:??) landed as
https://crrev.com/00b31698ea813d2769d7a4f0f0442db203571b07
Cr-Commit-Position: refs/heads/master@{#292806}