#include "chrome/browser/custom_handlers/protocol_handler_registry.h"
#include "chrome/browser/ui/webui/options/options_ui.h"
#include "chrome/common/custom_handlers/protocol_handler.h"
+#include "content/public/browser/notification_observer.h"
#include "content/public/browser/notification_registrar.h"
////////////////////////////////////////////////////////////////////////////////
namespace options {
-class HandlerOptionsHandler : public OptionsPageUIHandler {
+class HandlerOptionsHandler : public OptionsPageUIHandler,
+ public content::NotificationObserver {
public:
HandlerOptionsHandler();
virtual ~HandlerOptionsHandler();