Don't enforce signin for the settings app.

Don't enforce signin for the settings app.

The main use of the settings app is to switch profiles in the app
when you are signed out. For this to be useful it is important that the
sign in enforcement does not happen for the settings app.

BUG=347025
Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=255881

[koz (OOO until 15th September), 2014-03-07 19:18:11]

lgtm

[koz (OOO until 15th September), 2014-03-07 19:18:31]

The CQ bit was checked by koz@chromium.org

[commit-bot: I haz the power, 2014-03-07 19:19:12]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/benwells@chromium.org/190143003/1

[commit-bot: I haz the power, 2014-03-07 20:25:55]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/benwells@chromium.org/190143003/1

[commit-bot: I haz the power, 2014-03-08 10:53:06]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/benwells@chromium.org/190143003/1

[commit-bot: I haz the power, 2014-03-08 14:20:11]

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

[commit-bot: I haz the power, 2014-03-08 14:20:12]

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

[benwells, 2014-03-09 21:20:36]

The CQ bit was checked by benwells@chromium.org

[commit-bot: I haz the power, 2014-03-09 21:20:46]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/benwells@chromium.org/190143003/1

[commit-bot: I haz the power, 2014-03-10 06:20:56]

Change committed as 255881