Track adding a new user automatically.

Track adding a new user automatically.

When the last profile is deleted, a new one is created automatically.

BUG=410008
Committed: https://crrev.com/d894398e815950d1a1d8f82d8efe9c9e42c5397d
Cr-Commit-Position: refs/heads/master@{#293497}

[Mike Lerman, 2014-09-03 15:19:55]

mlerman@chromium.org changed reviewers:
+ asvitkine@chromium.org, noms@chromium.org

[Mike Lerman, 2014-09-03 15:19:56]

Hi Monica, Alexei,

PTAL!

Thanks,
Mike

[Alexei Svitkine (slow), 2014-09-04 14:39:14]

lgtm

[noms (inactive), 2014-09-04 14:42:06]

profiles lgtm

[Mike Lerman, 2014-09-04 15:57:22]

The CQ bit was checked by mlerman@chromium.org

[commit-bot: I haz the power, 2014-09-04 15:59:14]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/mlerman@chromium.org/532963004/1

[commit-bot: I haz the power, 2014-09-04 16:47:06]

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

[commit-bot: I haz the power, 2014-09-04 16:47:07]

Try jobs failed on following builders:
  linux_gpu_triggered_tests on tryserver.chromium.gpu
(http://build.chromium.org/p/tryserver.chromium.gpu/builders/linux_gpu_trigger...)

[Mike Lerman, 2014-09-04 17:09:47]

The CQ bit was checked by mlerman@chromium.org

[commit-bot: I haz the power, 2014-09-04 17:10:56]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/mlerman@chromium.org/532963004/1

[commit-bot: I haz the power, 2014-09-04 19:02:57]

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

[commit-bot: I haz the power, 2014-09-04 19:02:58]

Try jobs failed on following builders:
  linux_gpu_triggered_tests on tryserver.chromium.gpu
(http://build.chromium.org/p/tryserver.chromium.gpu/builders/linux_gpu_trigger...)

[Mike Lerman, 2014-09-05 10:36:45]

The CQ bit was checked by mlerman@chromium.org

[commit-bot: I haz the power, 2014-09-05 10:37:52]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/mlerman@chromium.org/532963004/1

[commit-bot: I haz the power, 2014-09-05 10:39:20]

Committed patchset #1 (id:1) as e3b1b4a977b4c52373484d7b5154d4a86051a113

[commit-bot: I haz the power, 2014-09-10 03:38:43]

Patchset 1 (id:??) landed as
https://crrev.com/d894398e815950d1a1d8f82d8efe9c9e42c5397d
Cr-Commit-Position: refs/heads/master@{#293497}