Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

external/aspnetwebstack/src/System.Web.Http/Dependencies/EmptyResolver.cs

@@ -0,0 +1,40 @@
+// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
+
+using System.Collections.Generic;
+using System.Linq;
+
+namespace System.Web.Http.Dependencies
+{
+    internal class EmptyResolver : IDependencyResolver
+    {
+        private static readonly IDependencyResolver _instance = new EmptyResolver();
+
+        private EmptyResolver()
+        {
+        }
+
+        public static IDependencyResolver Instance
+        {
+            get { return _instance; }
+        }
+
+        public IDependencyScope BeginScope()
+        {
+            return this;
+        }
+
+        public void Dispose()
+        {
+        }
+
+        public object GetService(Type serviceType)
+        {
+            return null;
+        }
+
+        public IEnumerable<object> GetServices(Type serviceType)
+        {
+            return Enumerable.Empty<object>();
+        }
+    }
+}