[gnome-shell/wip/nielsdg/cleanup-plugin-boilerplate: 209/210] plugin: Use G_DECLARE_FINAL_TYPE

[Niels De Graef <nielsdg src gnome org>]

commit e67d661112a57aed7c3282738800e23dff78f1e7
Author: Niels De Graef <nielsdegraef gmail com>
Date:   Tue Dec 25 15:42:47 2018 +0100

    plugin: Use G_DECLARE_FINAL_TYPE
    
    libmutter-4 added support for this, so we can also drop the boilerplate.
    
    https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/315

 src/gnome-shell-plugin.c | 20 ++++----------------
 1 file changed, 4 insertions(+), 16 deletions(-)
---
diff --git a/src/gnome-shell-plugin.c b/src/gnome-shell-plugin.c
index 72cac519d..63890c2f9 100644
--- a/src/gnome-shell-plugin.c
+++ b/src/gnome-shell-plugin.c
@@ -47,15 +47,10 @@
 #include "shell-perf-log.h"
 #include "shell-wm-private.h"
 
-#define GNOME_TYPE_SHELL_PLUGIN            (gnome_shell_plugin_get_type ())
-#define GNOME_SHELL_PLUGIN(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), GNOME_TYPE_SHELL_PLUGIN, 
GnomeShellPlugin))
-#define GNOME_SHELL_PLUGIN_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass),  GNOME_TYPE_SHELL_PLUGIN, 
GnomeShellPluginClass))
-#define GNOME_IS_SHELL_PLUGIN(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GNOME_SHELL_PLUGIN_TYPE))
-#define GNOME_IS_SHELL_PLUGIN_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass),  GNOME_TYPE_SHELL_PLUGIN))
-#define GNOME_SHELL_PLUGIN_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj),  GNOME_TYPE_SHELL_PLUGIN, 
GnomeShellPluginClass))
-
-typedef struct _GnomeShellPlugin        GnomeShellPlugin;
-typedef struct _GnomeShellPluginClass   GnomeShellPluginClass;
+#define GNOME_TYPE_SHELL_PLUGIN (gnome_shell_plugin_get_type ())
+G_DECLARE_FINAL_TYPE (GnomeShellPlugin, gnome_shell_plugin,
+                      GNOME, SHELL_PLUGIN,
+                      MetaPlugin)
 
 struct _GnomeShellPlugin
 {
@@ -69,13 +64,6 @@ struct _GnomeShellPlugin
   ShellGlobal *global;
 };
 
-struct _GnomeShellPluginClass
-{
-  MetaPluginClass parent_class;
-};
-
-GType gnome_shell_plugin_get_type (void);
-
 G_DEFINE_TYPE (GnomeShellPlugin, gnome_shell_plugin, META_TYPE_PLUGIN)
 
 static gboolean