Init profile-based preferences in Supervised user creation flow.

Init profile-based preferences in Supervised user creation flow.

We need explicitly call ProfileStartup, as it is done for usual flows from  startup_browser_creator.cc.
This will correctly initialize per-profile input method map in InputMethodManagerImpl.

R=nkostylev@chromium.org
BUG=364680
Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=266436

[Nikita (slow), 2014-04-25 07:09:24]

lgtm

[Denis Kuznetsov (DE-MUC), 2014-04-25 10:43:59]

The CQ bit was checked by antrim@chromium.org

[commit-bot: I haz the power, 2014-04-25 13:16:14]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/antrim@chromium.org/253463002/1

[commit-bot: I haz the power, 2014-04-26 05:09:24]

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

[commit-bot: I haz the power, 2014-04-26 05:09:25]

Try jobs failed on following builders:
  tryserver.chromium on win_chromium_rel

[Denis Kuznetsov (DE-MUC), 2014-04-27 09:05:54]

The CQ bit was checked by antrim@chromium.org

[commit-bot: I haz the power, 2014-04-27 09:06:16]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/antrim@chromium.org/253463002/1

[commit-bot: I haz the power, 2014-04-28 05:56:55]

Change committed as 266436