Have the browser process confirm creation of a persistent notification.

content/child/notifications/notification_manager.h

 // Copyright 2014 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 CONTENT_CHILD_NOTIFICATIONS_NOTIFICATION_MANAGER_H_
 #define CONTENT_CHILD_NOTIFICATIONS_NOTIFICATION_MANAGER_H_
 
 #include <map>
 #include <set>
 #include <vector>
@@ skipping 55 matching lines @@
   bool OnMessageReceived(const IPC::Message& message);
 
  private:
   NotificationManager(
       ThreadSafeSender* thread_safe_sender,
       base::SingleThreadTaskRunner* main_thread_task_runner,
       NotificationDispatcher* notification_dispatcher);
 
   // IPC message handlers.
   void OnDidShow(int notification_id);
+  void OnDidShowPersistent(int request_id, bool success);
   void OnDidClose(int notification_id);
   void OnDidClick(int notification_id);
   void OnDidGetNotifications(
       int request_id,
       const std::vector<PersistentNotificationInfo>& notification_infos);
 
   // To be called when a page notification is ready to be displayed. Will
   // inform the browser process about all available data. The |delegate|,
   // owned by Blink, will be used to feed back events associated with the
   // notification to the JavaScript object.
@@ skipping 18 matching lines @@
   scoped_refptr<NotificationDispatcher> notification_dispatcher_;
 
   // Tracker which stores all pending Notifications, both page and persistent
   // ones, until all their associated resources have been fetched.
   PendingNotificationsTracker pending_notifications_;
 
   // Tracks pending requests for getting a list of notifications.
   IDMap<blink::WebNotificationGetCallbacks, IDMapOwnPointer>
       pending_get_notification_requests_;
 
+  // Tracks pending requests for displaying persistent notifications.
+  IDMap<blink::WebNotificationShowCallbacks, IDMapOwnPointer>
+      pending_show_notification_requests_;
+
   // Map to store the delegate associated with a notification request Id.
   std::map<int, blink::WebNotificationDelegate*> active_page_notifications_;
 
   DISALLOW_COPY_AND_ASSIGN(NotificationManager);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_CHILD_NOTIFICATIONS_NOTIFICATION_MANAGER_H_