DO NOT SUBMIT. Implement an XPCService for notifications.

chrome/browser/notifications/notification_platform_bridge_mac.h

Index: chrome/browser/notifications/notification_platform_bridge_mac.h
diff --git a/chrome/browser/notifications/notification_platform_bridge_mac.h b/chrome/browser/notifications/notification_platform_bridge_mac.h
index b48f1896242ed15cd148a6a7da6496afe8c9acb1..ebcb5e8a5b26a9c689322249637c51636b5db1b6 100644
--- a/chrome/browser/notifications/notification_platform_bridge_mac.h
+++ b/chrome/browser/notifications/notification_platform_bridge_mac.h
@@ -19,6 +19,17 @@ class Notification;
 @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.
@@ -49,9 +60,14 @@ class NotificationPlatformBridgeMac : public NotificationPlatformBridge {
   // 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);
 };