Is there a way to rewrite this method from ASP.NET Identity 3 SignInManager with ASP.NET Identity 2?
https://github.com/aspnet/Identity/blob/dev/src/Microsoft.AspNet.Identity/SignInManager.cs#L110
/// <summary>
/// Regenerates the user's application cookie, whilst preserving the existing
/// AuthenticationProperties like rememberMe, as an asynchronous operation.
/// </summary>
/// <param name="user">The user whose sign-in cookie should be refreshed.</param>
/// <returns>The task object representing the asynchronous operation.</returns>
public virtual async Task RefreshSignInAsync(TUser user)
{
var auth = new AuthenticateContext(IdentityOptions.ApplicationCookieAuthenticationScheme);
await Context.Authentication.AuthenticateAsync(auth);
var authenticationMethod = auth.Principal?.FindFirstValue(ClaimTypes.AuthenticationMethod);
await SignInAsync(user, new AuthenticationProperties(auth.Properties), authenticationMethod);
}