[totem] main: Remove XEmbed parenting hack

[Bastien Nocera <hadess src gnome org>]

commit b52e2aa01e4dba843fc3c01f086a3ee4cc303e08
Author: Bastien Nocera <hadess hadess net>
Date:   Wed Apr 30 13:58:54 2014 +0200

    main: Remove XEmbed parenting hack
    
    It was only used in the browser plugin which is now gone.

 docs/reference/totem-sections.txt |    1 -
 src/totem-interface.c             |   65 +-----------------------------------
 src/totem-interface.h             |    2 -
 3 files changed, 2 insertions(+), 66 deletions(-)
---
diff --git a/docs/reference/totem-sections.txt b/docs/reference/totem-sections.txt
index a33a484..7e6259a 100644
--- a/docs/reference/totem-sections.txt
+++ b/docs/reference/totem-sections.txt
@@ -114,7 +114,6 @@ totem_interface_get_license
 totem_interface_load
 totem_interface_load_pixbuf
 totem_interface_load_with_full_path
-totem_interface_set_transient_for
 </SECTION>
 
 <SECTION>
diff --git a/src/totem-interface.c b/src/totem-interface.c
index a6930bd..6097e99 100644
--- a/src/totem-interface.c
+++ b/src/totem-interface.c
@@ -64,8 +64,8 @@ totem_interface_error_dialog (const char *title, const char *reason,
        gtk_message_dialog_format_secondary_text
                (GTK_MESSAGE_DIALOG (error_dialog), "%s", reason);
 
-       totem_interface_set_transient_for (GTK_WINDOW (error_dialog),
-                               GTK_WINDOW (parent));
+       gtk_window_set_transient_for (GTK_WINDOW (error_dialog),
+                                     GTK_WINDOW (parent));
        gtk_window_set_title (GTK_WINDOW (error_dialog), ""); /* as per HIG */
        gtk_container_set_border_width (GTK_CONTAINER (error_dialog), 5);
        gtk_dialog_set_default_response (GTK_DIALOG (error_dialog),
@@ -288,67 +288,6 @@ totem_interface_get_full_path (const char *name)
        return filename;
 }
 
-#ifdef GDK_WINDOWING_X11
-static GdkWindow *
-totem_gtk_plug_get_toplevel (GtkPlug *plug)
-{
-       Window root, parent, *children;
-       guint nchildren;
-       Window xid;
-
-       g_return_val_if_fail (GTK_IS_PLUG (plug), NULL);
-
-       xid = gtk_plug_get_id (plug);
-
-       do
-       {
-               /* FIXME: multi-head */
-               if (XQueryTree (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), xid, &root,
-                                       &parent, &children, &nchildren) == 0)
-               {
-                       g_warning ("Couldn't find window manager window");
-                       return NULL;
-               }
-
-               if (root == parent) {
-                       GdkWindow *toplevel;
-                       toplevel = gdk_x11_window_foreign_new_for_display (gdk_display_get_default (), xid);
-                       return toplevel;
-               }
-
-               xid = parent;
-       }
-       while (TRUE);
-}
-#endif /* GDK_WINDOWING_X11 */
-
-void
-totem_interface_set_transient_for (GtkWindow *window, GtkWindow *parent)
-{
-#ifdef GDK_WINDOWING_X11
-       GdkDisplay *display;
-
-       display = gdk_display_get_default ();
-
-       if (GDK_IS_X11_DISPLAY (display) &&
-           GTK_IS_PLUG (parent)) {
-               GdkWindow *toplevel;
-
-               gtk_widget_realize (GTK_WIDGET (window));
-               toplevel = totem_gtk_plug_get_toplevel (GTK_PLUG (parent));
-               if (toplevel != NULL) {
-                       gdk_window_set_transient_for
-                               (gtk_widget_get_window (GTK_WIDGET (window)), toplevel);
-                       g_object_unref (toplevel);
-               }
-               return;
-       }
-#endif /* GDK_WINDOWING_X11 */
-
-       gtk_window_set_transient_for (GTK_WINDOW (window),
-                                     GTK_WINDOW (parent));
-}
-
 /**
  * totem_interface_create_header_button:
  * @header: The header widget to put the button in
diff --git a/src/totem-interface.h b/src/totem-interface.h
index 707676a..4e65ab2 100644
--- a/src/totem-interface.h
+++ b/src/totem-interface.h
@@ -49,8 +49,6 @@ void           totem_interface_error_with_link (const char *title,
                                                  const char *uri,
                                                  const char *label,
                                                  GtkWindow *parent);
-void            totem_interface_set_transient_for (GtkWindow *window,
-                                                   GtkWindow *parent);
 GtkWidget *     totem_interface_create_header_button (GtkWidget  *header,
                                                       GtkWidget  *button,
                                                       const char *icon_name,