Refactoring to remove static Rules & SequenceProvider

OpenRA.Game/Widgets/CheckboxWidget.cs

@@ -1,6 +1,6 @@
 #region Copyright & License Information
 /*
- * Copyright 2007-2011 The OpenRA Developers (see AUTHORS)
+ * Copyright 2007-2014 The OpenRA Developers (see AUTHORS)
  * This file is part of OpenRA, which is free software. It is made
  * available to you under the terms of the GNU General Public License
  * as published by the Free Software Foundation. For more information,
@@ -11,6 +11,7 @@
 using System;
 using System.Drawing;
 using OpenRA.Graphics;
+using OpenRA.Network;
 
 namespace OpenRA.Widgets
 {
@@ -23,7 +24,9 @@ namespace OpenRA.Widgets
 		public int CheckOffset = 2;
 		public bool HasPressedState = ChromeMetrics.Get<bool>("CheckboxPressedState");
 
-		public CheckboxWidget()
+		[ObjectCreator.UseCtor]
+		public CheckboxWidget(MapRuleset rules)
+			: base(rules)
 		{
 			GetCheckType = () => CheckType;
 		}