Make IDL Callbacks non-refcounted by default

Source/web/NotificationPresenterImpl.cpp

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 48 matching lines @@
 
 private:
     virtual ~VoidCallbackClient() { }
 
     RefPtr<VoidCallback> m_callback;
 };
 #endif // ENABLE(LEGACY_NOTIFICATIONS)
 
 class NotificationPermissionCallbackClient : public WebNotificationPermissionCallback {
 public:
-    NotificationPermissionCallbackClient(WebNotificationPresenter* presenter, PassRefPtr<SecurityOrigin> securityOrigin, PassRefPtr<NotificationPermissionCallback> callback)
+    NotificationPermissionCallbackClient(WebNotificationPresenter* presenter, PassRefPtr<SecurityOrigin> securityOrigin, PassOwnPtr<NotificationPermissionCallback> callback)
         : m_presenter(presenter)
         , m_securityOrigin(securityOrigin)
         , m_callback(callback)
     {
     }
 
     virtual void permissionRequestComplete()
     {
         if (m_callback)
             m_callback->handleEvent(Notification::permissionString(static_cast<NotificationClient::Permission>(m_presenter->checkPermission(WebSecurityOrigin(m_securityOrigin)))));
         delete this;
     }
 
 private:
     virtual ~NotificationPermissionCallbackClient() { }
 
     WebNotificationPresenter* m_presenter;
     RefPtr<SecurityOrigin> m_securityOrigin;
-    RefPtr<NotificationPermissionCallback> m_callback;
+    OwnPtr<NotificationPermissionCallback> m_callback;
 };
 
 void NotificationPresenterImpl::initialize(WebNotificationPresenter* presenter)
 {
     m_presenter = presenter;
 }
 
 bool NotificationPresenterImpl::isInitialized()
 {
     return !!m_presenter;
@@ skipping 24 matching lines @@
     return static_cast<NotificationClient::Permission>(result);
 }
 
 #if ENABLE(LEGACY_NOTIFICATIONS)
 void NotificationPresenterImpl::requestPermission(ExecutionContext* context, PassRefPtr<VoidCallback> callback)
 {
     m_presenter->requestPermission(WebSecurityOrigin(context->securityOrigin()), new VoidCallbackClient(callback));
 }
 #endif // ENABLE(LEGACY_NOTIFICATIONS)
 
-void NotificationPresenterImpl::requestPermission(ExecutionContext* context, WTF::PassRefPtr<NotificationPermissionCallback> callback)
+void NotificationPresenterImpl::requestPermission(ExecutionContext* context, WTF::PassOwnPtr<NotificationPermissionCallback> callback)
 {
     m_presenter->requestPermission(WebSecurityOrigin(context->securityOrigin()), new NotificationPermissionCallbackClient(m_presenter, context->securityOrigin(), callback));
 }
 
 } // namespace blink