Move ScrollItem upstream

OpenRA.Mods.Cnc/Widgets/CncMenuButton.cs

@@ -226,43 +226,5 @@ namespace OpenRA.Mods.Cnc.Widgets
 			ShowDropPanel(w, dropDown, dismissAfter, () => true);
 		}
 	}
-	
-	public class ScrollItemWidget : ButtonWidget
-	{
-		public ScrollItemWidget()
-			: base()
-		{
-			IsVisible = () => false;
-		}
-		
-		protected ScrollItemWidget(ScrollItemWidget other)
-			: base(other)
-		{
-			IsVisible = () => false;
-		}
-		
-		public Func<bool> IsSelected = () => false;
-
-		public override void DrawInner()
-		{
-			var state = IsSelected() ? "button-pressed" : 
-				RenderBounds.Contains(Viewport.LastMousePos) ? "button-hover" : 
-				null;
-			
-			if (state != null)
-				WidgetUtils.DrawPanel(state, RenderBounds);
-		}
-		
-		public override Widget Clone() { return new ScrollItemWidget(this); }
-				
-		public static ScrollItemWidget Setup(ScrollItemWidget template, Func<bool> isSelected, Action onClick)
-		{
-			var w = template.Clone() as ScrollItemWidget;
-			w.IsVisible = () => true;
-			w.IsSelected = isSelected;
-			w.OnClick = onClick;
-			return w;
-		}
-	}
 }