Imported Upstream version 4.0.0~alpha1

Former-commit-id: 806294f5ded97629b74c85c09952f2a74fe182d9

external/referencesource/System.Web/ModelBinding/RouteDataValueProvider.cs

@@ -0,0 +1,22 @@
+namespace System.Web.ModelBinding {
+    using System.Globalization;
+    using System.Web.Routing;
+
+    public sealed class RouteDataValueProvider : DictionaryValueProvider<object> {
+
+        // RouteData should use the invariant culture since it's part of the URL, and the URL should be
+        // interpreted in a uniform fashion regardless of the origin of a particular request.
+        public RouteDataValueProvider(ModelBindingExecutionContext modelBindingExecutionContext) : 
+            base(GetRouteValues(modelBindingExecutionContext), CultureInfo.InvariantCulture) {
+        }
+
+        private static RouteValueDictionary GetRouteValues(ModelBindingExecutionContext modelBindingExecutionContext) {
+            RouteData routeData = modelBindingExecutionContext.GetService<RouteData>();
+            if (routeData != null) {
+                return routeData.Values;
+            }
+
+            return new RouteValueDictionary();
+        }
+    }
+}