[librest] rest-proxy: Use G_DECLARE_DERIVABLE_TYPE

[Debarshi Ray <debarshir src gnome org>]

commit 4c476d1b77a60fc2b4e944d3634553e3001442fa
Author: Debarshi Ray <debarshir gnome org>
Date:   Fri Aug 4 14:06:13 2017 +0200

    rest-proxy: Use G_DECLARE_DERIVABLE_TYPE
    
    Bump minimum GLib version to 2.44.0.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=785811

 configure.ac      |    2 +-
 rest/rest-proxy.h |   24 +-----------------------
 2 files changed, 2 insertions(+), 24 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 9fd2615..344a932 100644
--- a/configure.ac
+++ b/configure.ac
@@ -40,7 +40,7 @@ AM_PROG_CC_C_O
 LT_PREREQ([2.2.6])
 LT_INIT([disable-static])
 
-PKG_CHECK_MODULES(GLIB, glib-2.0 >= 2.38)
+PKG_CHECK_MODULES(GLIB, glib-2.0 >= 2.44)
 PKG_CHECK_MODULES(SOUP, libsoup-2.4 >= 2.42)
 PKG_CHECK_MODULES(XML, libxml-2.0)
 PKG_CHECK_MODULES(GTHREAD, gthread-2.0)
diff --git a/rest/rest-proxy.h b/rest/rest-proxy.h
index d882dea..bb6d7b0 100644
--- a/rest/rest-proxy.h
+++ b/rest/rest-proxy.h
@@ -31,33 +31,13 @@
 G_BEGIN_DECLS
 
 #define REST_TYPE_PROXY rest_proxy_get_type()
-
-#define REST_PROXY(obj) \
-  (G_TYPE_CHECK_INSTANCE_CAST ((obj), REST_TYPE_PROXY, RestProxy))
-
-#define REST_PROXY_CLASS(klass) \
-  (G_TYPE_CHECK_CLASS_CAST ((klass), REST_TYPE_PROXY, RestProxyClass))
-
-#define REST_IS_PROXY(obj) \
-  (G_TYPE_CHECK_INSTANCE_TYPE ((obj), REST_TYPE_PROXY))
-
-#define REST_IS_PROXY_CLASS(klass) \
-  (G_TYPE_CHECK_CLASS_TYPE ((klass), REST_TYPE_PROXY))
-
-#define REST_PROXY_GET_CLASS(obj) \
-  (G_TYPE_INSTANCE_GET_CLASS ((obj), REST_TYPE_PROXY, RestProxyClass))
-
-typedef struct _RestProxy RestProxy;
-typedef struct _RestProxyClass RestProxyClass;
+G_DECLARE_DERIVABLE_TYPE (RestProxy, rest_proxy, REST, PROXY, GObject)
 
 /**
  * RestProxy:
  *
  * #RestProxy has no publicly available members.
  */
-struct _RestProxy {
-  GObject parent;
-};
 
 /**
  * RestProxyClass:
@@ -180,8 +160,6 @@ typedef enum {
 
 GQuark rest_proxy_error_quark (void);
 
-GType rest_proxy_get_type (void);
-
 RestProxy *rest_proxy_new (const gchar *url_format, 
                            gboolean     binding_required);