This test fails on builders with branding=Chrome, not buildtype=Official

BUG=230471

Review URL: https://codereview.chromium.org/64923002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@233791 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 233791
ProfileSyncService shouldn't report signin errors.

It is responsibility of OAuth2TokenService.

BUG=316266

Review URL: https://codereview.chromium.org/64963002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@233792 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 233792