React to Shared NotNull

Author: HaoK

src/Microsoft.AspNet.Authentication.Cookies/CookieAuthenticationMiddleware.cs

@@ -6,6 +6,7 @@
 using Microsoft.AspNet.Authentication.DataHandler;
 using Microsoft.AspNet.Builder;
 using Microsoft.AspNet.DataProtection;
+using Microsoft.Framework.Internal;
 using Microsoft.Framework.Logging;
 using Microsoft.Framework.OptionsModel;
 

src/Microsoft.AspNet.Authentication.Facebook/FacebookAuthenticationMiddleware.cs

@@ -3,10 +3,10 @@
 
 using System;
 using System.Globalization;
-using Microsoft.AspNet.Builder;
-using Microsoft.AspNet.Authentication;
 using Microsoft.AspNet.Authentication.OAuth;
+using Microsoft.AspNet.Builder;
 using Microsoft.AspNet.DataProtection;
+using Microsoft.Framework.Internal;
 using Microsoft.Framework.Logging;
 using Microsoft.Framework.OptionsModel;
 

src/Microsoft.AspNet.Authentication.Google/GoogleAuthenticationMiddleware.cs

@@ -3,13 +3,10 @@
 
 using System;
 using System.Diagnostics.CodeAnalysis;
-using System.Globalization;
-using System.Net.Http;
-using Microsoft.AspNet.Authentication;
-using Microsoft.AspNet.Authentication.DataHandler;
+using Microsoft.AspNet.Authentication.OAuth;
 using Microsoft.AspNet.Builder;
 using Microsoft.AspNet.DataProtection;
-using Microsoft.AspNet.Authentication.OAuth;
+using Microsoft.Framework.Internal;
 using Microsoft.Framework.Logging;
 using Microsoft.Framework.OptionsModel;
 

src/Microsoft.AspNet.Authentication.MicrosoftAccount/MicrosoftAccountAuthenticationMiddleware.cs

@@ -2,11 +2,10 @@
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
 using System;
-using System.Globalization;
-using Microsoft.AspNet.Authentication;
 using Microsoft.AspNet.Authentication.OAuth;
 using Microsoft.AspNet.Builder;
 using Microsoft.AspNet.DataProtection;
+using Microsoft.Framework.Internal;
 using Microsoft.Framework.Logging;
 using Microsoft.Framework.OptionsModel;
 

src/Microsoft.AspNet.Authentication.OAuth/OAuthAuthenticationMiddleware.cs

@@ -5,10 +5,10 @@
 using System.Diagnostics.CodeAnalysis;
 using System.Globalization;
 using System.Net.Http;
-using Microsoft.AspNet.Authentication;
 using Microsoft.AspNet.Authentication.DataHandler;
 using Microsoft.AspNet.Builder;
 using Microsoft.AspNet.DataProtection;
+using Microsoft.Framework.Internal;
 using Microsoft.Framework.Logging;
 using Microsoft.Framework.OptionsModel;
 

src/Microsoft.AspNet.Authentication.OAuthBearer/OAuthBearerAuthenticationMiddleware.cs

@@ -8,6 +8,7 @@
 using System.Net.Http;
 using Microsoft.AspNet.Authentication;
 using Microsoft.AspNet.Builder;
+using Microsoft.Framework.Internal;
 using Microsoft.Framework.Logging;
 using Microsoft.Framework.OptionsModel;
 using Microsoft.IdentityModel.Protocols;

src/Microsoft.AspNet.Authentication.OpenIdConnect/OpenIdConnectAuthenticationMiddleware.cs

@@ -10,13 +10,13 @@
 using Microsoft.AspNet.Builder;
 using Microsoft.AspNet.DataProtection;
 using Microsoft.AspNet.Http;
-using Microsoft.AspNet.Authentication;
 using Microsoft.AspNet.Authentication.DataHandler;
 using Microsoft.AspNet.Authentication.DataHandler.Encoder;
 using Microsoft.AspNet.Authentication.DataHandler.Serializer;
 using Microsoft.Framework.Logging;
 using Microsoft.Framework.OptionsModel;
 using Microsoft.IdentityModel.Protocols;
+using Microsoft.Framework.Internal;
 
 namespace Microsoft.AspNet.Authentication.OpenIdConnect
 {

src/Microsoft.AspNet.Authentication.Twitter/TwitterAuthenticationMiddleware.cs

@@ -10,6 +10,7 @@
 using Microsoft.AspNet.Authentication.Twitter.Messages;
 using Microsoft.AspNet.Builder;
 using Microsoft.AspNet.DataProtection;
+using Microsoft.Framework.Internal;
 using Microsoft.Framework.Logging;
 using Microsoft.Framework.OptionsModel;