Retrive displayed notifications asynchronously

chrome/browser/ui/cocoa/notifications/notification_service_delegate.mm

 // 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.
 
 #import <AppKit/AppKit.h>
 
 #import "chrome/browser/ui/cocoa/notifications/notification_service_delegate.h"
 
 #include "base/mac/scoped_nsobject.h"
 #import "chrome/browser/ui/cocoa/notifications/alert_notification_service.h"
@@ skipping 20 matching lines @@
 - (void)dealloc {
   [[NSUserNotificationCenter defaultUserNotificationCenter] setDelegate:nil];
   [super dealloc];
 }
 
 - (BOOL)listener:(NSXPCListener*)listener
     shouldAcceptNewConnection:(NSXPCConnection*)newConnection {
   newConnection.exportedInterface =
       [NSXPCInterface interfaceWithProtocol:@protocol(NotificationDelivery)];
   [newConnection.exportedInterface
-         setClasses:[NSSet setWithObjects:[NSDictionary class], [NSImage class],
-                                          [NSNumber class], [NSString class],
-                                          nil]
+         setClasses:[NSSet setWithObjects:[NSArray class], [NSDictionary class],
+                                          [NSImage class], [NSNumber class],
+                                          [NSString class], nil]
         forSelector:@selector(deliverNotification:)
       argumentIndex:0
             ofReply:NO];
 
   base::scoped_nsobject<AlertNotificationService> object(
       [[AlertNotificationService alloc]
           initWithTransactionHandler:transactionHandler_]);
   newConnection.exportedObject = object.get();
   newConnection.remoteObjectInterface =
       [NSXPCInterface interfaceWithProtocol:@protocol(NotificationReply)];
@@ skipping 14 matching lines @@
 // _NSUserNotificationCenterDelegatePrivate
 - (void)userNotificationCenter:(NSUserNotificationCenter*)center
                didDismissAlert:(NSUserNotification*)notification {
   NSDictionary* response =
       [NotificationResponseBuilder buildDictionary:notification];
   [[connection_ remoteObjectProxy] notificationClick:response];
   [transactionHandler_ closeTransactionIfNeeded];
 }
 
 @end