1 files changed, 3 insertions, 1 deletions
diff --git a/WebCore/page/PositionCallback.h b/WebCore/page/PositionCallback.h
index 5b7a202..5511d3e 100644
--- a/WebCore/page/PositionCallback.h
+++ b/WebCore/page/PositionCallback.h
@@ -26,14 +26,16 @@
 #ifndef PositionCallback_h
 #define PositionCallback_h
 
+#include "ActiveDOMObject.h"
 #include <wtf/RefCounted.h>
 
 namespace WebCore {
     
     class Geoposition;
     
-    class PositionCallback : public RefCounted<PositionCallback> {
+    class PositionCallback : public RefCounted<PositionCallback>, public ActiveDOMObject {
     public:
+        PositionCallback(ScriptExecutionContext* context) : ActiveDOMObject(context, this) { }
         virtual ~PositionCallback() { }
         virtual void handleEvent(Geoposition*) = 0;
     };