Revert of Access SigninErrorProvider through ChromeBrowserProvider.

Revert of Access SigninErrorProvider through ChromeBrowserProvider. (patchset #1 id:1 of https://chromiumcodereview.appspot.com/2437003003/ )

Reason for revert:
Will break the autoroller (need to be split in two).

Original issue's description:
> Access SigninErrorProvider through ChromeBrowserProvider.
>
> BUG=475439
TBR=bzanotti@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=475439
Committed: https://crrev.com/9b1e871a4d431ef8ba238d2ffc237159d9569c70
Cr-Commit-Position: refs/heads/master@{#426559}

[sdefresne, 2016-10-20 19:17:15]

The CQ bit was checked by sdefresne@chromium.org

[sdefresne, 2016-10-20 19:17:15]

Created Revert of Access SigninErrorProvider through ChromeBrowserProvider.

[commit-bot: I haz the power, 2016-10-20 19:17:53]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-10-20 19:19:44]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-10-21 13:21:11]

Description was changed from

==========
Revert of Access SigninErrorProvider through ChromeBrowserProvider. (patchset #1
id:1 of https://chromiumcodereview.appspot.com/2437003003/ )

Reason for revert:
Will break the autoroller (need to be split in two).

Original issue's description:
> Access SigninErrorProvider through ChromeBrowserProvider.
> 
> BUG=475439

TBR=bzanotti@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=475439
==========

to

==========
Revert of Access SigninErrorProvider through ChromeBrowserProvider. (patchset #1
id:1 of https://chromiumcodereview.appspot.com/2437003003/ )

Reason for revert:
Will break the autoroller (need to be split in two).

Original issue's description:
> Access SigninErrorProvider through ChromeBrowserProvider.
>
> BUG=475439

TBR=bzanotti@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=475439

Committed: https://crrev.com/9b1e871a4d431ef8ba238d2ffc237159d9569c70
Cr-Commit-Position: refs/heads/master@{#426559}
==========

[commit-bot: I haz the power, 2016-10-21 13:21:12]

Patchset 1 (id:??) landed as
https://crrev.com/9b1e871a4d431ef8ba238d2ffc237159d9569c70
Cr-Commit-Position: refs/heads/master@{#426559}