[gtk/present-toplevel-2: 57/59] widget: Stop using gdk_surface_set_opacity

[Matthias Clasen <matthiasc src gnome org>]

commit 5bc03916ff8b13ffbb2815ffef7bdd599377145f
Author: Matthias Clasen <mclasen redhat com>
Date:   Wed Mar 4 09:38:01 2020 -0800

    widget: Stop using gdk_surface_set_opacity

 gtk/gtkwidget.c | 13 +------------
 1 file changed, 1 insertion(+), 12 deletions(-)
---
diff --git a/gtk/gtkwidget.c b/gtk/gtkwidget.c
index 0a28d8385d..94e97e0ee7 100644
--- a/gtk/gtkwidget.c
+++ b/gtk/gtkwidget.c
@@ -10618,18 +10618,7 @@ gtk_widget_update_alpha (GtkWidget *widget)
 
   priv->alpha = alpha;
 
-  if (_gtk_widget_get_realized (widget))
-    {
-      if (GTK_IS_NATIVE (widget))
-        {
-          gdk_surface_set_opacity (gtk_native_get_surface (GTK_NATIVE (widget)), priv->alpha / 255.0);
-          gtk_widget_queue_allocate (widget);
-        }
-      else
-        {
-          gtk_widget_queue_draw (widget);
-        }
-    }
+  gtk_widget_queue_draw (widget);
 }
 
 /**