[gnome-photos] dropdown: Use G_DECLARE_FINAL_TYPE

[Debarshi Ray <debarshir src gnome org>]

commit aa59b95e368619a004bd35a9d43680d21cdfabea
Author: Shivam Tripathi <shivam flash gmail com>
Date:   Fri Jul 8 00:58:47 2016 +0530

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

 src/photos-dropdown.c |    5 -----
 src/photos-dropdown.h |   14 +-------------
 2 files changed, 1 insertions(+), 18 deletions(-)
---
diff --git a/src/photos-dropdown.c b/src/photos-dropdown.c
index 0891031..e396ed9 100644
--- a/src/photos-dropdown.c
+++ b/src/photos-dropdown.c
@@ -48,11 +48,6 @@ struct _PhotosDropdown
   PhotosBaseManager *src_mngr;
 };
 
-struct _PhotosDropdownClass
-{
-  GtkPopoverClass parent_class;
-};
-
 
 G_DEFINE_TYPE (PhotosDropdown, photos_dropdown, GTK_TYPE_POPOVER);
 
diff --git a/src/photos-dropdown.h b/src/photos-dropdown.h
index fc16e8b..b8d7171 100644
--- a/src/photos-dropdown.h
+++ b/src/photos-dropdown.h
@@ -30,19 +30,7 @@
 G_BEGIN_DECLS
 
 #define PHOTOS_TYPE_DROPDOWN (photos_dropdown_get_type ())
-
-#define PHOTOS_DROPDOWN(obj) \
-  (G_TYPE_CHECK_INSTANCE_CAST ((obj), \
-   PHOTOS_TYPE_DROPDOWN, PhotosDropdown))
-
-#define PHOTOS_IS_DROPDOWN(obj) \
-  (G_TYPE_CHECK_INSTANCE_TYPE ((obj), \
-   PHOTOS_TYPE_DROPDOWN))
-
-typedef struct _PhotosDropdown      PhotosDropdown;
-typedef struct _PhotosDropdownClass PhotosDropdownClass;
-
-GType                     photos_dropdown_get_type             (void) G_GNUC_CONST;
+G_DECLARE_FINAL_TYPE (PhotosDropdown, photos_dropdown, PHOTOS, DROPDOWN, GtkPopover)
 
 GtkWidget                *photos_dropdown_new                  (void);