Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/class/System.Web.Mvc3/Mvc/DependencyResolverExtensions.cs

@@ -0,0 +1,15 @@
+namespace System.Web.Mvc {
+    using System.Collections.Generic;
+    using System.Linq;
+    using System.Runtime.Serialization;
+
+    public static class DependencyResolverExtensions {
+        public static TService GetService<TService>(this IDependencyResolver resolver) {
+            return (TService)resolver.GetService(typeof(TService));
+        }
+
+        public static IEnumerable<TService> GetServices<TService>(this IDependencyResolver resolver) {
+            return resolver.GetServices(typeof(TService)).Cast<TService>();
+        }
+    }
+}