Refactoring to remove static Rules & SequenceProvider

OpenRA.Game/Widgets/DropDownButtonWidget.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,
@@ -12,6 +12,7 @@ using System;
 using System.Collections.Generic;
 using System.Drawing;
 using OpenRA.Graphics;
+using OpenRA.Network;
 
 namespace OpenRA.Widgets
 {
@@ -20,7 +21,9 @@ namespace OpenRA.Widgets
 		Widget panel;
 		MaskWidget fullscreenMask;
 
-		public DropDownButtonWidget() { }
+		[ObjectCreator.UseCtor]
+		public DropDownButtonWidget(MapRuleset rules)
+			: base(rules) { }
 
 		protected DropDownButtonWidget(DropDownButtonWidget widget)	: base(widget) { }