Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

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

@@ -0,0 +1,28 @@
+namespace System.Web.Mvc {
+    using System;
+    using System.Collections.Specialized;
+    using System.Web.Helpers;
+
+    public sealed class FormValueProviderFactory : ValueProviderFactory {
+
+        private readonly UnvalidatedRequestValuesAccessor _unvalidatedValuesAccessor;
+
+        public FormValueProviderFactory()
+            : this(null) {
+        }
+
+        // For unit testing
+        internal FormValueProviderFactory(UnvalidatedRequestValuesAccessor unvalidatedValuesAccessor) {
+            _unvalidatedValuesAccessor = unvalidatedValuesAccessor ?? (cc => new UnvalidatedRequestValuesWrapper(cc.HttpContext.Request.Unvalidated()));
+        }
+
+        public override IValueProvider GetValueProvider(ControllerContext controllerContext) {
+            if (controllerContext == null) {
+                throw new ArgumentNullException("controllerContext");
+            }
+
+            return new FormValueProvider(controllerContext, _unvalidatedValuesAccessor(controllerContext));
+        }
+
+    }
+}