[gnome-shell] Finish removing the overlay_group concept

[Giovanni Campagna <gcampagna src gnome org>]

commit 976166a04a3badb3cb800559c356aa296a676dc0
Author: Giovanni Campagna <gcampagna src gnome org>
Date:   Wed May 22 18:18:36 2013 +0200

    Finish removing the overlay_group concept
    
    In preparation for removing from mutter too.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=700735

 js/ui/layout.js    |    2 --
 src/shell-global.c |   11 -----------
 2 files changed, 0 insertions(+), 13 deletions(-)
---
diff --git a/js/ui/layout.js b/js/ui/layout.js
index 11b62ca..dc7120f 100644
--- a/js/ui/layout.js
+++ b/js/ui/layout.js
@@ -188,8 +188,6 @@ const LayoutManager = new Lang.Class({
         global.stage.remove_actor(global.window_group);
         this.uiGroup.add_actor(global.window_group);
 
-        global.stage.remove_actor(global.overlay_group);
-
         global.stage.add_child(this.uiGroup);
 
         this.overviewGroup = new St.Widget({ name: 'overviewGroup',
diff --git a/src/shell-global.c b/src/shell-global.c
index fe35482..9a594b7 100644
--- a/src/shell-global.c
+++ b/src/shell-global.c
@@ -98,7 +98,6 @@ enum {
   PROP_0,
 
   PROP_SESSION_MODE,
-  PROP_OVERLAY_GROUP,
   PROP_SCREEN,
   PROP_GDK_SCREEN,
   PROP_DISPLAY,
@@ -166,9 +165,6 @@ shell_global_get_property(GObject         *object,
     case PROP_SESSION_MODE:
       g_value_set_string (value, shell_global_get_session_mode (global));
       break;
-    case PROP_OVERLAY_GROUP:
-      g_value_set_object (value, meta_get_overlay_group_for_screen (global->meta_screen));
-      break;
     case PROP_SCREEN:
       g_value_set_object (value, global->meta_screen);
       break;
@@ -356,13 +352,6 @@ shell_global_class_init (ShellGlobalClass *klass)
                                                         "user",
                                                         G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
   g_object_class_install_property (gobject_class,
-                                   PROP_OVERLAY_GROUP,
-                                   g_param_spec_object ("overlay-group",
-                                                        "Overlay Group",
-                                                        "Actor holding objects that appear above the desktop 
contents",
-                                                        CLUTTER_TYPE_ACTOR,
-                                                        G_PARAM_READABLE));
-  g_object_class_install_property (gobject_class,
                                    PROP_SCREEN,
                                    g_param_spec_object ("screen",
                                                         "Screen",