#10 Remove the oboslete Google OpenId auth components.

Author: Tratcher

src/Microsoft.Owin.Security.Google/GoogleAuthenticationExtensions.cs

@@ -1,56 +1,16 @@
 // Copyright (c) .NET Foundation. All rights reserved.
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
-// OpenID is obsolete
-#pragma warning disable 618
-
 using System;
-using Microsoft.Owin.Security;
 using Microsoft.Owin.Security.Google;
 
 namespace Owin
 {
     /// <summary>
-    /// Extension methods for using <see cref="GoogleAuthenticationMiddleware"/>
+    /// Extension methods for using <see cref="GoogleOAuth2AuthenticationMiddleware"/>
     /// </summary>
     public static class GoogleAuthenticationExtensions
     {
-        /// <summary>
-        /// Authenticate users using Google OpenId
-        /// </summary>
-        /// <param name="app">The <see cref="IAppBuilder"/> passed to the configuration method</param>
-        /// <param name="options">Middleware configuration options</param>
-        /// <returns>The updated <see cref="IAppBuilder"/></returns>
-        [Obsolete("Google is discontinuing support for the OpenId. Use OAuth2 instead.", error: false)]
-        public static IAppBuilder UseGoogleAuthentication(this IAppBuilder app, GoogleAuthenticationOptions options)
-        {
-            if (app == null)
-            {
-                throw new ArgumentNullException("app");
-            }
-            if (options == null)
-            {
-                throw new ArgumentNullException("options");
-            }
-
-            app.Use(typeof(GoogleAuthenticationMiddleware), app, options);
-            return app;
-        }
-
-        /// <summary>
-        /// Authenticate users using Google OpenId
-        /// </summary>
-        /// <param name="app">The <see cref="IAppBuilder"/> passed to the configuration method</param>
-        /// <returns>The updated <see cref="IAppBuilder"/></returns>
-        [Obsolete("Google is discontinuing support for the OpenId. Use OAuth2 instead.", error: false)]
-        public static IAppBuilder UseGoogleAuthentication(
-            this IAppBuilder app)
-        {
-            return UseGoogleAuthentication(
-                app,
-                new GoogleAuthenticationOptions());
-        }
-
         /// <summary>
         /// Authenticate users using Google OAuth 2.0
         /// </summary>
@@ -97,5 +57,4 @@ public static IAppBuilder UseGoogleAuthentication(
                 });
         }
     }
-}
-#pragma warning restore 618
+}