public AccountController(ChronoUserManager userManager, ChronoSignInManager signInManager)
 {
     UserManager   = userManager;
     SignInManager = signInManager;
 }
 public ManageController(ChronoSignInManager signInManager, ChronoUserManager userManager)
 {
     _signInManager = signInManager;
     _userManager   = userManager;
 }