use SimpleReferenceObject in vcl/osx module

to replace hand-rolled version

Change-Id: Idf3f2dd20bacd3cb3de64931027ef62d9116200f

vcl/inc/osx/keyboardfocuslistener.hxx

@@ -23,10 +23,11 @@
 #include <com/sun/star/accessibility/XAccessible.hpp>
 
 #include <rtl/ref.hxx>
+#include <salhelper/simplereferenceobject.hxx>
 
 // - KeyboardFocusListener -
 
-class KeyboardFocusListener : public rtl::IReference
+class KeyboardFocusListener : public salhelper::SimpleReferenceObject
 {
 public:
     virtual void SAL_CALL focusedObjectChanged(const ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible >& xAccessible) = 0;

vcl/osx/a11yfocuslistener.cxx

@@ -81,16 +81,4 @@ AquaA11yFocusListener::focusedObjectChanged(const Reference< XAccessible >& xAcc
     }
 }
 
-oslInterlockedCount SAL_CALL
-AquaA11yFocusListener::acquire()
-{
-    return ReferenceObject::acquire();
-}
-
-oslInterlockedCount SAL_CALL
-AquaA11yFocusListener::release()
-{
-    return ReferenceObject::release();
-}
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

vcl/osx/a11yfocuslistener.hxx

@@ -20,14 +20,10 @@
 #ifndef INCLUDED_VCL_OSX_A11YFOCUSLISTENER_HXX
 #define INCLUDED_VCL_OSX_A11YFOCUSLISTENER_HXX
 
-#include <salhelper/refobj.hxx>
-
 #include "osx/keyboardfocuslistener.hxx"
 #include "osx/osxvcltypes.h"
 
-class AquaA11yFocusListener :
-    public KeyboardFocusListener,
-    public salhelper::ReferenceObject
+class AquaA11yFocusListener : public KeyboardFocusListener
 {
     id m_focusedObject;
 
@@ -43,10 +39,6 @@ public:
 
     // KeyboardFocusListener
     virtual void SAL_CALL focusedObjectChanged(const ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible >& xAccessible) SAL_OVERRIDE;
-
-    // rtl::IReference
-    virtual oslInterlockedCount SAL_CALL acquire() SAL_OVERRIDE;
-    virtual oslInterlockedCount SAL_CALL release() SAL_OVERRIDE;
 };
 
 #endif // INCLUDED_VCL_OSX_A11YFOCUSLISTENER_HXX