Revert of Revert of Call to CrosSettings::Set() is replaced by OwnerSettingsService::Set() in VersionUpda...

Revert of Revert of Call to CrosSettings::Set() is replaced by OwnerSettingsService::Set() in VersionUpda... (patchset #2 id:250001 of https://codereview.chromium.org/790183002/)

Reason for revert:
Accidentally committed without CQ, broke build :(

Original issue's description:
> Revert of Call to CrosSettings::Set() is replaced by OwnerSettingsService::Set() in VersionUpdaterCros. (patchset #7 id:120001 of https://codereview.chromium.org/738843002/)
>
> Reason for revert:
> Speculative revert to see if this is the cause of issue 440063.
>
> BUG=440063
> TBR=ygorshenin@chromium.org
>
> Original issue's description:
> > Call to CrosSettings::Set() is replaced by OwnerSettingsService::Set() in VersionUpdaterCros. Also, fixed permissions checks for channel switcher UI in a multi-profiles sessions.
> >
> > BUG=433840
> > TEST=existing unit_tests for OwnerSettingsService
> >
> > Committed: https://crrev.com/e0ed5a18bc9e3fa930f1af3b8f9c3cfdb91329f5
> > Cr-Commit-Position: refs/heads/master@{#305012}
>
> TBR=nkostylev@chromium.org,ygorshenin@chromium.org
> NOTREECHECKS=true
> NOTRY=true
> BUG=433840
>
> Committed: https://crrev.com/ed8e4785e42fdf65d79656fb922f2d1b16e9857b
> Cr-Commit-Position: refs/heads/master@{#307710}

TBR=nkostylev@chromium.org,ygorshenin@chromium.org
NOTREECHECKS=true
NOTRY=true
BUG=440063
Committed: https://crrev.com/48f2d7ba8eeb704b9bcfb566b2ff50bf44e357f1
Cr-Commit-Position: refs/heads/master@{#307712}

[earthdok, 2014-12-10 16:20:46]

Created Revert of Revert of Call to CrosSettings::Set() is replaced by
OwnerSettingsService::Set() in VersionUpda...