Reset the device policy machinery upon retrying enrollment.

BUG=chromium-os:18208
TEST=See bug description


Review URL: http://codereview.chromium.org/7676005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@97615 0039d316-1c4b-4281-b951-d872f2087c98
bool BrowserPolicyConnector::IsEnterpriseManaged() {
#if defined(OS_CHROMEOS)
  return install_attributes_.get() && install_attributes_->IsEnterpriseDevice();
#else
  return false;
#endif
}

bool BrowserPolicyConnector::IsEnterpriseManaged() {
#if defined(OS_CHROMEOS)
  return install_attributes_.get() && install_attributes_->IsEnterpriseDevice();
#else
  return false;
#endif
}
