[gtk/abolish-destroy: 28/30] container: Use dispose instead of destroy

[Matthias Clasen <matthiasc src gnome org>]

commit 1086acce9294510b55ed64a179ae5abd774b89b7
Author: Matthias Clasen <mclasen redhat com>
Date:   Tue May 5 16:52:02 2020 -0400

    container: Use dispose instead of destroy
    
    The destroy vfunc is going away.

 gtk/gtkcontainer.c | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)
---
diff --git a/gtk/gtkcontainer.c b/gtk/gtkcontainer.c
index 38ef0b1399..43c5e7d1e4 100644
--- a/gtk/gtkcontainer.c
+++ b/gtk/gtkcontainer.c
@@ -91,7 +91,7 @@ enum {
 };
 
 /* --- prototypes --- */
-static void     gtk_container_destroy              (GtkWidget         *widget);
+static void     gtk_container_dispose              (GObject *object);
 static void     gtk_container_add_unimplemented    (GtkContainer      *container,
                                                     GtkWidget         *widget);
 static void     gtk_container_remove_unimplemented (GtkContainer      *container,
@@ -119,7 +119,8 @@ gtk_container_class_init (GtkContainerClass *class)
   GObjectClass *gobject_class = G_OBJECT_CLASS (class);
   GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
 
-  widget_class->destroy = gtk_container_destroy;
+  gobject_class->dispose = gtk_container_dispose;
+
   widget_class->compute_expand = gtk_container_compute_expand;
   widget_class->get_request_mode = gtk_container_get_request_mode;
   widget_class->grab_focus = gtk_widget_grab_focus_none;
@@ -222,13 +223,13 @@ gtk_container_init (GtkContainer *container)
 }
 
 static void
-gtk_container_destroy (GtkWidget *widget)
+gtk_container_dispose (GObject *object)
 {
-  GtkContainer *container = GTK_CONTAINER (widget);
+  GtkContainer *container = GTK_CONTAINER (object);
 
   gtk_container_foreach (container, (GtkCallback) gtk_widget_destroy, NULL);
 
-  GTK_WIDGET_CLASS (gtk_container_parent_class)->destroy (widget);
+  G_OBJECT_CLASS (gtk_container_parent_class)->dispose (object);
 }
 
 /**