Do not set kGoogleServicesUsername for device-local accounts

Do not set kGoogleServicesUsername for device-local accounts

The kGoogleServicesUsername pref indicates that Chrome is signed in with a
GAIA account. Since device-local accounts do not have GAIA credentials,
this pref should not be set for them.

BUG=327849
TEST=Extended browser tests

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=266529

[bartfab (slow), 2014-04-25 12:05:45]

Hi Nikita,

Could you please take a look at this CL?

Hi Mattias,

Could you please do an owner review of device_local_account_browsertest.cc?

[bartfab (slow), 2014-04-25 12:06:03]

Hi Nikita,

Could you please take a look at this CL?

Hi Mattias,

Could you please do an owner review of device_local_account_browsertest.cc?

[Mattias Nissler (ping if slow), 2014-04-25 12:07:28]

LGTM

[Nikita (slow), 2014-04-28 08:23:04]

lgtm

[bartfab (slow), 2014-04-28 08:43:30]

The CQ bit was checked by bartfab@chromium.org

[commit-bot: I haz the power, 2014-04-28 08:44:28]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/bartfab@chromium.org/251703004/1

[commit-bot: I haz the power, 2014-04-28 10:01:52]

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

[commit-bot: I haz the power, 2014-04-28 10:01:52]

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

[bartfab (slow), 2014-04-28 12:16:11]

The CQ bit was checked by bartfab@chromium.org

[commit-bot: I haz the power, 2014-04-28 12:16:43]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/bartfab@chromium.org/251703004/1

[commit-bot: I haz the power, 2014-04-28 12:38:53]

Change committed as 266529