[gnome-panel] panel-applet-frame: avoid deprecated g_type_class_add_private

[Alberts Muktupāvels <muktupavels src gnome org>]

commit 6d88785d3079d0286f73e48576fa0043eb43b6b4
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Thu Sep 13 17:26:59 2018 +0300

    panel-applet-frame: avoid deprecated g_type_class_add_private

 gnome-panel/panel-applet-frame.c | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)
---
diff --git a/gnome-panel/panel-applet-frame.c b/gnome-panel/panel-applet-frame.c
index 3698360ee..3b0cd2f3f 100644
--- a/gnome-panel/panel-applet-frame.c
+++ b/gnome-panel/panel-applet-frame.c
@@ -62,10 +62,6 @@ struct _PanelAppletFrameActivating {
 
 /* PanelAppletFrame implementation */
 
-G_DEFINE_TYPE (PanelAppletFrame, panel_applet_frame, GTK_TYPE_EVENT_BOX)
-
-#define PANEL_APPLET_FRAME_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), PANEL_TYPE_APPLET_FRAME, 
PanelAppletFramePrivate))
-
 #define HANDLE_SIZE 10
 
 struct _PanelAppletFramePrivate {
@@ -91,6 +87,8 @@ enum {
 
 static guint panel_applet_frame_signals [LAST_SIGNAL];
 
+G_DEFINE_TYPE_WITH_PRIVATE (PanelAppletFrame, panel_applet_frame, GTK_TYPE_EVENT_BOX)
+
 static gboolean
 panel_applet_frame_draw (GtkWidget *widget,
                          cairo_t   *cr)
@@ -483,8 +481,6 @@ panel_applet_frame_class_init (PanelAppletFrameClass *klass)
        add_tab_bindings (binding_set, GDK_SHIFT_MASK, GTK_DIR_TAB_BACKWARD);
        add_tab_bindings (binding_set, GDK_CONTROL_MASK, GTK_DIR_TAB_FORWARD);
        add_tab_bindings (binding_set, GDK_CONTROL_MASK | GDK_SHIFT_MASK, GTK_DIR_TAB_BACKWARD);
-
-       g_type_class_add_private (klass, sizeof (PanelAppletFramePrivate));
 }
 
 static void
@@ -492,7 +488,7 @@ panel_applet_frame_init (PanelAppletFrame *frame)
 {
        GtkStyleContext *context;
 
-       frame->priv = PANEL_APPLET_FRAME_GET_PRIVATE (frame);
+       frame->priv = panel_applet_frame_get_instance_private (frame);
 
        frame->priv->panel       = NULL;
        frame->priv->orientation = PANEL_ORIENTATION_TOP;