[gnome-photos] source: Use G_DECLARE_FINAL_TYPE

[Umang Jain <uajain src gnome org>]

commit 3c5249ab98d2873f27cfe24355229736d60ffa6e
Author: Umang Jain <mailumangjain gmail com>
Date:   Tue Sep 5 02:20:54 2017 +0530

    source: Use G_DECLARE_FINAL_TYPE
    
    https://bugzilla.gnome.org/show_bug.cgi?id=763712

 src/photos-source.c |    5 -----
 src/photos-source.h |   14 +-------------
 2 files changed, 1 insertions(+), 18 deletions(-)
---
diff --git a/src/photos-source.c b/src/photos-source.c
index d93b51b..a28435e 100644
--- a/src/photos-source.c
+++ b/src/photos-source.c
@@ -43,11 +43,6 @@ struct _PhotosSource
   gchar *name;
 };
 
-struct _PhotosSourceClass
-{
-  GObjectClass parent_class;
-};
-
 enum
 {
   PROP_0,
diff --git a/src/photos-source.h b/src/photos-source.h
index c55dbd6..b037d49 100644
--- a/src/photos-source.h
+++ b/src/photos-source.h
@@ -31,23 +31,11 @@
 G_BEGIN_DECLS
 
 #define PHOTOS_TYPE_SOURCE (photos_source_get_type ())
-
-#define PHOTOS_SOURCE(obj) \
-  (G_TYPE_CHECK_INSTANCE_CAST ((obj), \
-   PHOTOS_TYPE_SOURCE, PhotosSource))
-
-#define PHOTOS_IS_SOURCE(obj) \
-  (G_TYPE_CHECK_INSTANCE_TYPE ((obj), \
-   PHOTOS_TYPE_SOURCE))
+G_DECLARE_FINAL_TYPE (PhotosSource, photos_source, PHOTOS, SOURCE, GObject);
 
 #define PHOTOS_SOURCE_STOCK_ALL   "all"
 #define PHOTOS_SOURCE_STOCK_LOCAL "local"
 
-typedef struct _PhotosSource      PhotosSource;
-typedef struct _PhotosSourceClass PhotosSourceClass;
-
-GType               photos_source_get_type               (void) G_GNUC_CONST;
-
 PhotosSource       *photos_source_new                    (const gchar *id, const gchar *name, gboolean 
builtin);
 
 PhotosSource       *photos_source_new_from_goa_object    (GoaObject *object);