Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/System.Web.Extensions/ClientServices/ClientRolePrincipal.cs

@@ -0,0 +1,25 @@
+//------------------------------------------------------------------------------
+// <copyright file="ClientRolePrincipal.cs" company="Microsoft">
+//     Copyright (c) Microsoft Corporation.  All rights reserved.
+// </copyright>
+//------------------------------------------------------------------------------
+namespace System.Web.ClientServices
+{
+    using System;
+    using System.Net;
+    using System.Security.Principal;
+
+    public class ClientRolePrincipal : IPrincipal
+    {
+        public IIdentity Identity { get { return _Identity; } }
+        private IIdentity _Identity;
+
+        public ClientRolePrincipal(IIdentity identity) {
+            _Identity = identity;
+        }
+        public bool IsInRole(string role)
+        {
+            return System.Web.Security.Roles.IsUserInRole(_Identity.Name, role);
+        }
+    }
+}