[gnome-online-accounts/wip/rishi/port-to-g-declare] identity-manager: Use G_DECLARE_INTERFACE

[Debarshi Ray <debarshir src gnome org>]

commit 41afb2242e655b3d78a374e860de236c0b2cafa7
Author: Debarshi Ray <debarshir gnome org>
Date:   Fri Dec 6 17:57:31 2019 +0100

    identity-manager: Use G_DECLARE_INTERFACE
    
    https://gitlab.gnome.org/GNOME/gnome-online-accounts/merge_requests/40

 src/goaidentity/goaidentitymanager.h | 10 +---------
 1 file changed, 1 insertion(+), 9 deletions(-)
---
diff --git a/src/goaidentity/goaidentitymanager.h b/src/goaidentity/goaidentitymanager.h
index 415f424a..6b7001d1 100644
--- a/src/goaidentity/goaidentitymanager.h
+++ b/src/goaidentity/goaidentitymanager.h
@@ -28,13 +28,7 @@
 
 G_BEGIN_DECLS
 #define GOA_TYPE_IDENTITY_MANAGER             (goa_identity_manager_get_type ())
-#define GOA_IDENTITY_MANAGER(obj)             (G_TYPE_CHECK_INSTANCE_CAST ((obj), GOA_TYPE_IDENTITY_MANAGER, 
GoaIdentityManager))
-#define GOA_IDENTITY_MANAGER_CLASS(klass)     (G_TYPE_CHECK_CLASS_CAST ((klass), GOA_TYPE_IDENTITY_MANAGER, 
GoaIdentityManagerInterface))
-#define GOA_IS_IDENTITY_MANAGER(obj)          (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GOA_TYPE_IDENTITY_MANAGER))
-#define GOA_IDENTITY_MANAGER_GET_IFACE(obj)   (G_TYPE_INSTANCE_GET_INTERFACE((obj), 
GOA_TYPE_IDENTITY_MANAGER, GoaIdentityManagerInterface))
-
-typedef struct _GoaIdentityManager GoaIdentityManager;
-typedef struct _GoaIdentityManagerInterface GoaIdentityManagerInterface;
+G_DECLARE_INTERFACE (GoaIdentityManager, goa_identity_manager, GOA, IDENTITY_MANAGER, GObject);
 
 struct _GoaIdentityManagerInterface
 {
@@ -110,8 +104,6 @@ struct _GoaIdentityManagerInterface
                             GoaIdentity        *identity);
 };
 
-GType  goa_identity_manager_get_type    (void);
-
 void goa_identity_manager_get_identity (GoaIdentityManager  *identity_manager,
                                         const char          *identifier,
                                         GCancellable        *cancellable,