DO NOT SUBMIT. Implement an XPCService for notifications.

chrome/browser/notifications/notification_platform_bridge_mac.h

 // Copyright 2015 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_NOTIFICATIONS_NOTIFICATION_PLATFORM_BRIDGE_MAC_H_
 #define CHROME_BROWSER_NOTIFICATIONS_NOTIFICATION_PLATFORM_BRIDGE_MAC_H_
 
 #include <set>
 #include <string>
 
 #include "base/compiler_specific.h"
 #include "base/mac/scoped_nsobject.h"
 #include "base/macros.h"
 #include "chrome/browser/notifications/notification_common.h"
 #include "chrome/browser/notifications/notification_platform_bridge.h"
 
 class Notification;
 @class NotificationCenterDelegate;
 @class NSDictionary;
 @class NSUserNotificationCenter;
 class PrefService;
+@class NSXPCConnection;
+
+@interface NotificationRemoteDispatcher : NSObject
+
+// The connection to the XPC server in charge of delivering alerts
+@property(readonly) NSXPCConnection* xpcConnection;
+
+- (instancetype)init;
+- (void)dispatchNotification:(NSDictionary*)data;
+
+@end
 
 // This class is an implementation of NotificationPlatformBridge that will
 // send platform notifications to the the MacOSX notification center.
 class NotificationPlatformBridgeMac : public NotificationPlatformBridge {
  public:
   explicit NotificationPlatformBridgeMac(
       NSUserNotificationCenter* notification_center);
   ~NotificationPlatformBridgeMac() override;
 
   // NotificationPlatformBridge implementation.
@@ skipping 10 matching lines @@
   bool SupportsNotificationCenter() const override;
 
   // Validates contents of the |response| dictionary as received from the system
   // when a notification gets activated.
   static bool VerifyNotificationData(NSDictionary* response) WARN_UNUSED_RESULT;
 
  private:
   // Cocoa class that receives callbacks from the NSUserNotificationCenter.
   base::scoped_nsobject<NotificationCenterDelegate> delegate_;
 
-  // The notification center to use, this can be overriden in tests
+  // The notification center to use for local banner notifications,
+  // this can be overriden in tests
   NSUserNotificationCenter* notification_center_;
 
+  // The object in charge of dispatching remote notifications
+  base::scoped_nsobject<NotificationRemoteDispatcher>
+      notification_remote_dispatcher_;
+
   DISALLOW_COPY_AND_ASSIGN(NotificationPlatformBridgeMac);
 };
 
 #endif  // CHROME_BROWSER_NOTIFICATIONS_NOTIFICATION_PLATFORM_BRIDGE_MAC_H_