[gtk/wip/matthiasc/popup4: 79/140] menu: Stop using gtk_widget_register_surface

[Matthias Clasen <matthiasc src gnome org>]

commit fb289f64ec35387b954fc4fa454de17cab0a65d5
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri Apr 19 20:13:49 2019 +0000

    menu: Stop using gtk_widget_register_surface
    
    It does not seem to be necessary at all.

 gtk/gtkmenu.c | 2 --
 1 file changed, 2 deletions(-)
---
diff --git a/gtk/gtkmenu.c b/gtk/gtkmenu.c
index 820fcdd9c7..e7534a29c3 100644
--- a/gtk/gtkmenu.c
+++ b/gtk/gtkmenu.c
@@ -2192,7 +2192,6 @@ menu_grab_transfer_surface_get (GtkMenu *menu)
   if (!surface)
     {
       surface = gdk_surface_new_temp (gtk_widget_get_display (GTK_WIDGET (menu)));
-      gtk_widget_register_surface (GTK_WIDGET (menu), surface);
 
       gdk_surface_show (surface);
 
@@ -2210,7 +2209,6 @@ menu_grab_transfer_surface_destroy (GtkMenu *menu)
     {
       GdkSurface *widget_surface;
 
-      gtk_widget_unregister_surface (GTK_WIDGET (menu), surface);
       gdk_surface_destroy (surface);
       g_object_set_data (G_OBJECT (menu), I_("gtk-menu-transfer-surface"), NULL);