DO NOT SUBMIT. Implement an XPCService for notifications.

chrome/browser/ui/cocoa/notifications/alert_notification_service.h

Index: chrome/browser/ui/cocoa/notifications/alert_notification_service.h
diff --git a/chrome/browser/ui/cocoa/notifications/alert_notification_service.h b/chrome/browser/ui/cocoa/notifications/alert_notification_service.h
new file mode 100644
index 0000000000000000000000000000000000000000..3a0e74926873bf6e7b8f7801e389f3c4b0e3a35c
--- /dev/null
+++ b/chrome/browser/ui/cocoa/notifications/alert_notification_service.h
@@ -0,0 +1,17 @@
+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CHROME_BROWSER_UI_COCOA_NOTIFICATIONS_BANNER_NOTIFICATION_SERVICE_H_
+#define CHROME_BROWSER_UI_COCOA_NOTIFICATIONS_BANNER_NOTIFICATION_SERVICE_H_
+
+#import <Foundation/Foundation.h>
+
+#import "chrome/browser/ui/cocoa/notifications/notification_delivery.h"
+
+// Implementation of the NotificationDelivery protocol that can display
+// notifications of type alert.
+@interface AlertNotificationService : NSObject<NotificationDelivery>
+@end
+
+#endif  // CHROME_BROWSER_UI_COCOA_NOTIFICATIONS_BANNER_NOTIFICATION_SERVICE_H_