react to IHttpContextAccessor move

test/WebSites/RequestServicesWebSite/RequestIdService.cs

@@ -2,7 +2,7 @@
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
 using System;
-using Microsoft.AspNet.Hosting;
+using Microsoft.AspNet.Http;
 
 namespace RequestServicesWebSite
 {
@@ -19,4 +19,4 @@ namespace RequestServicesWebSite
 
         public string RequestId { get; set; }
     }
-}
+}