React to HttpAbstractions namespace changes

- aspnet/HttpAbstractions#549 and aspnet/HttpAbstractions#592
- clean up `using`s

shared/Mocks/Facebook/FacebookMockBackChannelHttpHandler.cs

@@ -4,6 +4,7 @@ using System.Net;
 using System.Net.Http;
 using System.Threading;
 using System.Threading.Tasks;
+using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Http.Internal;
 using Microsoft.AspNetCore.WebUtilities;
 using MusicStore.Mocks.Common;
@@ -54,5 +55,5 @@ namespace MusicStore.Mocks.Facebook
             throw new NotImplementedException(request.RequestUri.AbsoluteUri);
         }
     }
-} 
+}
 #endif

shared/Mocks/Google/GoogleMockBackChannelHttpHandler.cs

@@ -5,7 +5,7 @@ using System.Net.Http;
 using System.Text;
 using System.Threading;
 using System.Threading.Tasks;
-using Microsoft.AspNetCore.Http.Internal;
+using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.WebUtilities;
 
 namespace MusicStore.Mocks.Google
@@ -53,5 +53,5 @@ namespace MusicStore.Mocks.Google
             throw new NotImplementedException(request.RequestUri.AbsoluteUri);
         }
     }
-} 
+}
 #endif

shared/Mocks/MicrosoftAccount/MicrosoftAccountMockBackChannelHandler.cs

@@ -5,7 +5,7 @@ using System.Net.Http;
 using System.Text;
 using System.Threading;
 using System.Threading.Tasks;
-using Microsoft.AspNetCore.Http.Internal;
+using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.WebUtilities;
 
 namespace MusicStore.Mocks.MicrosoftAccount
@@ -54,5 +54,5 @@ namespace MusicStore.Mocks.MicrosoftAccount
             throw new NotImplementedException(request.RequestUri.AbsoluteUri);
         }
     }
-} 
+}
 #endif

shared/Mocks/Twitter/TwitterMockBackChannelHttpHandler.cs

@@ -5,7 +5,7 @@ using System.Net;
 using System.Net.Http;
 using System.Threading;
 using System.Threading.Tasks;
-using Microsoft.AspNetCore.Http.Internal;
+using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.WebUtilities;
 
 namespace MusicStore.Mocks.Twitter
@@ -65,5 +65,5 @@ namespace MusicStore.Mocks.Twitter
             throw new NotImplementedException(request.RequestUri.AbsoluteUri);
         }
     }
-} 
+}
 #endif

test/MusicStore.Test/CartSummaryComponentTest.cs

@@ -2,7 +2,6 @@ using System;
 using System.Linq;
 using System.Threading.Tasks;
 using Microsoft.AspNetCore.Http;
-using Microsoft.AspNetCore.Http.Internal;
 using Microsoft.AspNetCore.Mvc.Rendering;
 using Microsoft.AspNetCore.Mvc.ViewComponents;
 using Microsoft.EntityFrameworkCore;

test/MusicStore.Test/CheckoutControllerTest.cs

@@ -5,7 +5,6 @@ using System.Security.Claims;
 using System.Threading;
 using System.Threading.Tasks;
 using Microsoft.AspNetCore.Http;
-using Microsoft.AspNetCore.Http.Internal;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.EntityFrameworkCore;
 using Microsoft.Extensions.DependencyInjection;

test/MusicStore.Test/ManageControllerTest.cs

@@ -3,10 +3,7 @@ using System.Collections.Generic;
 using System.Security.Claims;
 using System.Threading.Tasks;
 using Microsoft.AspNetCore.Http;
-using Microsoft.AspNetCore.Http.Features;
 using Microsoft.AspNetCore.Http.Features.Authentication;
-using Microsoft.AspNetCore.Http.Features.Authentication.Internal;
-using Microsoft.AspNetCore.Http.Internal;
 using Microsoft.AspNetCore.Identity;
 using Microsoft.AspNetCore.Identity.EntityFrameworkCore;
 using Microsoft.AspNetCore.Mvc;

test/MusicStore.Test/ShoppingCartControllerTest.cs

@@ -6,8 +6,6 @@ using System.Threading.Tasks;
 using Microsoft.AspNetCore.Antiforgery;
 using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Http.Features;
-using Microsoft.AspNetCore.Http.Features.Internal;
-using Microsoft.AspNetCore.Http.Internal;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.EntityFrameworkCore;
 using Microsoft.Extensions.DependencyInjection;