merge with 6.1.0

src/Umbraco.Web/PublishedCache/ContextualPublishedCache.cs

@@ -2,6 +2,7 @@
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
+using System.Xml.XPath;
 using Umbraco.Core.Models;
 using Umbraco.Core.Xml;
 
@@ -72,6 +73,15 @@ namespace Umbraco.Web.PublishedCache
             return _cache.GetByXPath(UmbracoContext, xpath, vars);
         }
 
+        /// <summary>
+        /// Gets an XPath navigator that can be used to navigate contents.
+        /// </summary>
+        /// <returns>The XPath navigator.</returns>
+        public virtual XPathNavigator GetXPathNavigator()
+        {
+            return _cache.GetXPathNavigator(UmbracoContext);
+        }
+
         /// <summary>
         /// Gets a value indicating whether the underlying non-contextual cache contains published content.
         /// </summary>