Fixes up the Image cropper extensions, ensures that we don't recursively call Url (this is a special property).

src/Umbraco.Web/Models/ContentEditing/MediaItemSave.cs

@@ -0,0 +1,14 @@
+using System.Runtime.Serialization;
+using Umbraco.Core.Models;
+
+namespace Umbraco.Web.Models.ContentEditing
+{
+    /// <summary>
+    /// A model representing a media item to be saved
+    /// </summary>
+    [DataContract(Name = "content", Namespace = "")]
+    public class MediaItemSave : ContentBaseItemSave<IMedia>
+    {
+
+    }
+}