[gnome-photos] operation-png-guess-sizes: Use G_DECLARE_FINAL_TYPE

[Debarshi Ray <debarshir src gnome org>]

commit 15616ace73f7b81370e31a207b3635e5d3e3bb04
Author: Debarshi Ray <debarshir gnome org>
Date:   Tue Mar 21 09:39:38 2017 +0100

    operation-png-guess-sizes: Use G_DECLARE_FINAL_TYPE
    
    https://bugzilla.gnome.org/show_bug.cgi?id=763712

 src/photos-operation-png-guess-sizes.c |    6 ------
 src/photos-operation-png-guess-sizes.h |   22 ++++++++--------------
 2 files changed, 8 insertions(+), 20 deletions(-)
---
diff --git a/src/photos-operation-png-guess-sizes.c b/src/photos-operation-png-guess-sizes.c
index 7d79535..15c7e1a 100644
--- a/src/photos-operation-png-guess-sizes.c
+++ b/src/photos-operation-png-guess-sizes.c
@@ -25,7 +25,6 @@
 
 #include <babl/babl.h>
 #include <gegl.h>
-#include <gegl-plugin.h>
 #include <png.h>
 
 #include "photos-png-count.h"
@@ -41,11 +40,6 @@ struct _PhotosOperationPngGuessSizes
   gsize sizes[2];
 };
 
-struct _PhotosOperationPngGuessSizesClass
-{
-  GeglOperationSinkClass parent_class;
-};
-
 enum
 {
   PROP_0,
diff --git a/src/photos-operation-png-guess-sizes.h b/src/photos-operation-png-guess-sizes.h
index 18e5087..018dbde 100644
--- a/src/photos-operation-png-guess-sizes.h
+++ b/src/photos-operation-png-guess-sizes.h
@@ -21,24 +21,18 @@
 #ifndef PHOTOS_OPERATION_PNG_GUESS_SIZES_H
 #define PHOTOS_OPERATION_PNG_GUESS_SIZES_H
 
-#include <glib-object.h>
+#include <gegl-plugin.h>
+
+#include "photos-gegl.h"
 
 G_BEGIN_DECLS
 
 #define PHOTOS_TYPE_OPERATION_PNG_GUESS_SIZES (photos_operation_png_guess_sizes_get_type ())
-
-#define PHOTOS_OPERATION_PNG_GUESS_SIZES(obj) \
-  (G_TYPE_CHECK_INSTANCE_CAST ((obj), \
-   PHOTOS_TYPE_OPERATION_PNG_GUESS_SIZES, PhotosOperationPngGuessSizes))
-
-#define PHOTOS_IS_OPERATION_PNG_GUESS_SIZES(obj) \
-  (G_TYPE_CHECK_INSTANCE_TYPE ((obj), \
-   PHOTOS_TYPE_OPERATION_PNG_GUESS_SIZES))
-
-typedef struct _PhotosOperationPngGuessSizes      PhotosOperationPngGuessSizes;
-typedef struct _PhotosOperationPngGuessSizesClass PhotosOperationPngGuessSizesClass;
-
-GType           photos_operation_png_guess_sizes_get_type       (void) G_GNUC_CONST;
+G_DECLARE_FINAL_TYPE (PhotosOperationPngGuessSizes,
+                      photos_operation_png_guess_sizes,
+                      PHOTOS,
+                      OPERATION_PNG_GUESS_SIZES,
+                      GeglOperationSink);
 
 G_END_DECLS