Use the correct content setting for toggling Push Notification permission.

Use the correct content setting for toggling Push Notification permission.

The code is currently toggling the defaults for PUSH_MESSAGING, but it
should be using NOTIFICATIONS instead.

BUG=90795
Committed: https://crrev.com/95c44bb9cd2e1bdad1eaf99b6a0896708466bb67
Cr-Commit-Position: refs/heads/master@{#310779}

[Miguel Garcia, 2015-01-09 15:56:29]

miguelg@chromium.org changed reviewers:
+ miguelg@chromium.org

[Miguel Garcia, 2015-01-09 15:56:29]

lgtm

[Peter Beverloo, 2015-01-09 15:56:52]

The CQ bit was checked by peter@chromium.org

[commit-bot: I haz the power, 2015-01-09 15:58:20]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/845723003/1

[commit-bot: I haz the power, 2015-01-09 16:42:48]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-01-09 16:43:48]

Patchset 1 (id:??) landed as
https://crrev.com/95c44bb9cd2e1bdad1eaf99b6a0896708466bb67
Cr-Commit-Position: refs/heads/master@{#310779}