Initial client side implementation of the XPC service

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

+// 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_NOTIFICATION_DELIVERY_H_
+#define CHROME_BROWSER_UI_COCOA_NOTIFICATIONS_NOTIFICATION_DELIVERY_H_
+
+#import <Foundation/Foundation.h>
+
+// Collection of protocols used for XPC communication between chrome
+// and the alert notification xpc service.
+
+// Protocol for the XPC notification service.
+@protocol NotificationDelivery
+
+// |notificationData| is generated using a NofiticationBuilder object.
+- (void)deliverNotification:(NSDictionary*)notificationData;
+
+@end
+
+// Response protocol for the XPC notification service to notify Chrome of
+// notification interactions.
+@protocol NotificationReply
+
+// |notificationResponseData| is generated through a
+// NotificationResponseBuilder.
+- (void)notificationClick:(NSDictionary*)notificationResponseData;
+
+@end
+
+#endif  // CHROME_BROWSER_UI_COCOA_NOTIFICATIONS_NOTIFICATION_DELIVERY_H_