Use OBJECT_DECLARE_TYPE when possible

This converts existing DECLARE_OBJ_CHECKERS usage to
OBJECT_DECLARE_TYPE when possible.

 $ ./scripts/codeconverter/converter.py -i \
   --pattern=AddObjectDeclareType $(git grep -l '' -- '*.[ch]')

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Acked-by: Paul Durrant <paul@xen.org>
Message-Id: <20200916182519.415636-5-ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
diff --git a/hw/input/adb-mouse.c b/hw/input/adb-mouse.c
index f575090..e6b341f 100644
--- a/hw/input/adb-mouse.c
+++ b/hw/input/adb-mouse.c
@@ -31,10 +31,7 @@
 #include "trace.h"
 #include "qom/object.h"
 
-typedef struct ADBMouseClass ADBMouseClass;
-typedef struct MouseState MouseState;
-DECLARE_OBJ_CHECKERS(MouseState, ADBMouseClass,
-                     ADB_MOUSE, TYPE_ADB_MOUSE)
+OBJECT_DECLARE_TYPE(MouseState, ADBMouseClass, ADB_MOUSE)
 
 struct MouseState {
     /*< public >*/