[Mac] Add XPC alerts to GetDisplayedNotifications

chrome/browser/notifications/stub_notification_platform_bridge.cc

 // 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.
 
 #include "chrome/browser/notifications/stub_notification_platform_bridge.h"
 
 #include "base/memory/ptr_util.h"
 #include "content/public/browser/browser_thread.h"
 
 StubNotificationPlatformBridge::StubNotificationPlatformBridge()
@@ skipping 39 matching lines @@
       if (profile_notifications.empty())
         notifications_.erase(profile_id);
       break;
     }
   }
 }
 
 void StubNotificationPlatformBridge::GetDisplayed(
     const std::string& profile_id,
     bool incognito,
-    const DisplayedNotificationsCallback& callback) const {
+    const GetDisplayedNotificationsCallback& callback) const {
   auto displayed_notifications = base::MakeUnique<std::set<std::string>>();
 
   if (notifications_.find(profile_id) != notifications_.end()) {
     const std::vector<Notification>& profile_notifications =
         notifications_.at(profile_id);
     for (auto notification : profile_notifications)
       displayed_notifications->insert(notification.id());
   }
 
   content::BrowserThread::PostTask(
       content::BrowserThread::UI, FROM_HERE,
       base::Bind(callback, base::Passed(&displayed_notifications),
                  true /* supports_synchronization */));
 }