[gtk+] gtk/gtkcellsizerequest.c: Use G_DEFINE_INTERFACE macro

[Javier Jardón <jjardon src gnome org>]

commit c0b8104232b40615c9e5a8890d0ac31909fb5627
Author: Javier Jardón <jjardon gnome org>
Date:   Wed Aug 25 21:58:50 2010 +0200

    gtk/gtkcellsizerequest.c: Use G_DEFINE_INTERFACE macro

 gtk/gtkcellsizerequest.c |   22 ++++++++--------------
 1 files changed, 8 insertions(+), 14 deletions(-)
---
diff --git a/gtk/gtkcellsizerequest.c b/gtk/gtkcellsizerequest.c
index a09c45e..8ae6a39 100644
--- a/gtk/gtkcellsizerequest.c
+++ b/gtk/gtkcellsizerequest.c
@@ -29,23 +29,17 @@
 
 #define DEBUG_CELL_SIZE_REQUEST 0
 
-GType
-gtk_cell_size_request_get_type (void)
-{
-  static GType cell_size_request_type = 0;
 
-  if (G_UNLIKELY(!cell_size_request_type))
-    {
-      cell_size_request_type =
-	g_type_register_static_simple (G_TYPE_INTERFACE, I_("GtkCellSizeRequest"),
-				       sizeof (GtkCellSizeRequestIface),
-				       NULL, 0, NULL, 0);
+typedef GtkCellSizeRequestIface GtkCellSizeRequestInterface;
+G_DEFINE_INTERFACE (GtkCellSizeRequest, gtk_cell_size_request, GTK_TYPE_CELL_RENDERER);
 
-      g_type_interface_add_prerequisite (cell_size_request_type, GTK_TYPE_CELL_RENDERER);
-    }
-  return cell_size_request_type;
+
+static void
+gtk_cell_size_request_default_init (GtkCellSizeRequestInterface *iface)
+{
 }
 
+
 /**
  * gtk_cell_size_request_get_request_mode:
  * @cell: a #GtkCellSizeRequest instance