[gtk/matthiasc/for-master] overlaylayout: Set the child type in the class

[Matthias Clasen <matthiasc src gnome org>]

commit 144cf2d0405cde4a3c00069860bdbffec0f01c01
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri Jan 15 22:35:11 2021 -0500

    overlaylayout: Set the child type in the class
    
    We don't need to override create_layout_child here,
    and setting the child type has the advantage that
    the layout properties are showing up in the inspector.

 gtk/gtkoverlaylayout.c | 13 +------------
 1 file changed, 1 insertion(+), 12 deletions(-)
---
diff --git a/gtk/gtkoverlaylayout.c b/gtk/gtkoverlaylayout.c
index 8795f96684..4642ea9675 100644
--- a/gtk/gtkoverlaylayout.c
+++ b/gtk/gtkoverlaylayout.c
@@ -432,25 +432,14 @@ gtk_overlay_layout_allocate (GtkLayoutManager *layout_manager,
     }
 }
 
-static GtkLayoutChild *
-gtk_overlay_layout_create_layout_child (GtkLayoutManager *manager,
-                                        GtkWidget        *widget,
-                                        GtkWidget        *for_child)
-{
-  return g_object_new (GTK_TYPE_OVERLAY_LAYOUT_CHILD,
-                       "layout-manager", manager,
-                       "child-widget", for_child,
-                       NULL);
-}
-
 static void
 gtk_overlay_layout_class_init (GtkOverlayLayoutClass *klass)
 {
   GtkLayoutManagerClass *layout_class = GTK_LAYOUT_MANAGER_CLASS (klass);
 
+  layout_class->layout_child_type = GTK_TYPE_OVERLAY_LAYOUT_CHILD;
   layout_class->measure = gtk_overlay_layout_measure;
   layout_class->allocate = gtk_overlay_layout_allocate;
-  layout_class->create_layout_child = gtk_overlay_layout_create_layout_child;
 }
 
 static void