Re-enable WebNotifications test for linux aura.

Re-enable WebNotifications test for linux aura.

This test is now passing, though with console warnings about IsFullScreenMode
not implemented yet for linux and a RENDER WARNING (already noted in
http://crbug.com/333003).

BUG=163931
Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=252046

[koss, 2014-02-14 20:04:36]

This is the first patch for re-enabling (a succeeding) WebNotifications test.

[dewittj, 2014-02-14 22:50:55]

On 2014/02/14 20:04:36, koss wrote:
> This is the first patch for re-enabling (a succeeding) WebNotifications test.

+erg to let him know we're enabling tests that he marked with bug 163931

lgtm

[dewittj, 2014-02-14 22:51:08]

+erg for real

[koss, 2014-02-15 01:34:08]

The CQ bit was checked by koss@chromium.org

[commit-bot: I haz the power, 2014-02-15 01:34:22]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/koss@chromium.org/164333010/1

[commit-bot: I haz the power, 2014-02-15 04:10:44]

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

[commit-bot: I haz the power, 2014-02-15 04:10:44]

Retried try job too often on win_rel for step(s) unit_tests
http://build.chromium.org/p/tryserver.chromium/buildstatus?builder=win_rel&nu...

[koss, 2014-02-19 17:05:35]

The CQ bit was checked by koss@chromium.org

[commit-bot: I haz the power, 2014-02-19 17:08:53]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/koss@chromium.org/164333010/1

[commit-bot: I haz the power, 2014-02-19 19:43:25]

Change committed as 252046