ERROR_REASON_UNSET  182 chrome/browser/sync/profile_sync_service.cc       unrecoverable_error_reason_(ERROR_REASON_UNSET),
ERROR_REASON_UNSET  825 chrome/browser/sync/profile_sync_service.cc   unrecoverable_error_reason_ = ERROR_REASON_UNSET;
ERROR_REASON_UNSET 1548 chrome/browser/sync/profile_sync_service.cc   return unrecoverable_error_reason_ != ERROR_REASON_UNSET;