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

[Javier Jardón <jjardon src gnome org>]

commit 1b77e36a5943491d27a1991c30f9e79659b1db94
Author: Javier Jardón <jjardon gnome org>
Date:   Wed Aug 25 21:59:02 2010 +0200

    gtk/gtksizerequest.c: Use G_DEFINE_INTERFACE macro

 gtk/gtksizerequest.c |   25 +++++++++----------------
 1 files changed, 9 insertions(+), 16 deletions(-)
---
diff --git a/gtk/gtksizerequest.c b/gtk/gtksizerequest.c
index 908cc39..02d2e79 100644
--- a/gtk/gtksizerequest.c
+++ b/gtk/gtksizerequest.c
@@ -121,26 +121,19 @@ typedef struct {
 static GQuark quark_cache = 0;
 
 
-GType
-gtk_size_request_get_type (void)
-{
-  static GType size_request_type = 0;
-
-  if (G_UNLIKELY(!size_request_type))
-    {
-      size_request_type =
-        g_type_register_static_simple (G_TYPE_INTERFACE, I_("GtkSizeRequest"),
-                                       sizeof (GtkSizeRequestIface),
-                                       NULL, 0, NULL, 0);
-
-      g_type_interface_add_prerequisite (size_request_type, GTK_TYPE_WIDGET);
+typedef GtkSizeRequestIface GtkSizeRequestInterface;
+G_DEFINE_INTERFACE_WITH_CODE (GtkSizeRequest,
+                              gtk_size_request,
+                              GTK_TYPE_WIDGET,
+                              quark_cache = g_quark_from_static_string ("gtk-size-request-cache"));
 
-      quark_cache = g_quark_from_static_string ("gtk-size-request-cache");
-    }
 
-  return size_request_type;
+static void
+gtk_size_request_default_init (GtkSizeRequestInterface *iface)
+{
 }
 
+
 /* looks for a cached size request for this for_size. If not
  * found, returns the oldest entry so it can be overwritten
  *