Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

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

@@ -0,0 +1,16 @@
+namespace System.Web.Mvc {
+    using System;
+    using System.Collections.ObjectModel;
+
+    [Serializable]
+    public class ModelErrorCollection : Collection<ModelError> {
+
+        public void Add(Exception exception) {
+            Add(new ModelError(exception));
+        }
+
+        public void Add(string errorMessage) {
+            Add(new ModelError(errorMessage));
+        }
+    }
+}