Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/System.ServiceModel/System/ServiceModel/NonDualMessageSecurityOverHttp.cs

@@ -0,0 +1,37 @@
+//------------------------------------------------------------
+// Copyright (c) Microsoft Corporation.  All rights reserved.
+//------------------------------------------------------------
+namespace System.ServiceModel
+{
+    using System.ServiceModel.Channels;
+
+    public sealed class NonDualMessageSecurityOverHttp : MessageSecurityOverHttp
+    {
+        internal const bool DefaultEstablishSecurityContext = true;
+
+        bool establishSecurityContext;
+
+        public NonDualMessageSecurityOverHttp()
+            : base()
+        {
+            this.establishSecurityContext = DefaultEstablishSecurityContext;
+        }
+
+        public bool EstablishSecurityContext
+        {
+            get
+            {
+                return this.establishSecurityContext;
+            }
+            set
+            {
+                this.establishSecurityContext = value;
+            }
+        }
+
+        protected override bool IsSecureConversationEnabled()
+        {
+            return this.establishSecurityContext;
+        }
+    }
+}