Moves UmbracoUserControl to it's correct home and obsoletes the old one (even though its really new)

Publicizes UmbracoControl.

src/Umbraco.Web/UI/Controls/UmbracoUserControl.cs

@@ -0,0 +1,96 @@
+using System;
+using System.Web;
+using System.Web.Mvc;
+using System.Web.Routing;
+using System.Web.UI;
+using Umbraco.Core;
+using Umbraco.Core.Services;
+using umbraco.DataLayer;
+
+namespace Umbraco.Web.UI.Controls
+{
+    /// <summary>
+    /// A base class for all Presentation UserControls to inherit from
+    /// </summary>
+    public abstract class UmbracoUserControl : UserControl
+    {
+        /// <summary>
+        /// Default constructor
+        /// </summary>
+        /// <param name="umbracoContext"></param>
+        protected UmbracoUserControl(UmbracoContext umbracoContext)
+        {
+            if (umbracoContext == null) throw new ArgumentNullException("umbracoContext");
+            UmbracoContext = umbracoContext;
+            InstanceId = Guid.NewGuid();
+            Umbraco = new UmbracoHelper(umbracoContext);
+        }
+
+        /// <summary>
+        /// Empty constructor, uses Singleton to resolve the UmbracoContext
+        /// </summary>
+        protected UmbracoUserControl()
+            : this(UmbracoContext.Current)
+        {
+        }
+
+        /// <summary>
+        /// Useful for debugging
+        /// </summary>
+        internal Guid InstanceId { get; private set; }
+
+        /// <summary>
+        /// Returns an UmbracoHelper object
+        /// </summary>
+        public UmbracoHelper Umbraco { get; private set; }
+
+        /// <summary>
+        /// Returns the current UmbracoContext
+        /// </summary>
+        public UmbracoContext UmbracoContext { get; private set; }
+
+        /// <summary>
+        /// Returns the current ApplicationContext
+        /// </summary>
+        public ApplicationContext ApplicationContext
+        {
+            get { return UmbracoContext.Application; }
+        }
+
+        /// <summary>
+        /// Returns a ServiceContext
+        /// </summary>
+        public ServiceContext Services
+        {
+            get { return ApplicationContext.Services; }
+        }
+
+        /// <summary>
+        /// Returns a DatabaseContext
+        /// </summary>
+        public DatabaseContext DatabaseContext
+        {
+            get { return ApplicationContext.DatabaseContext; }
+        }
+
+        private UrlHelper _url;
+        /// <summary>
+        /// Returns a UrlHelper
+        /// </summary>
+        /// <remarks>
+        /// This URL helper is created without any route data and an empty request context
+        /// </remarks>
+        public UrlHelper Url
+        {
+            get { return _url ?? (_url = new UrlHelper(new RequestContext(new HttpContextWrapper(Context), new RouteData()))); }
+        }
+
+        /// <summary>
+        /// Returns the legacy SqlHelper
+        /// </summary>
+        protected ISqlHelper SqlHelper
+        {
+            get { return global::umbraco.BusinessLogic.Application.SqlHelper; }
+        }
+    }
+}