Deliver NOTIFICATION_SESSION_STARTED if the browser crashes and is restarted.

chrome/common/chrome_notification_types.h

 // Copyright (c) 2012 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_COMMON_CHROME_NOTIFICATION_TYPES_H_
 #define CHROME_COMMON_CHROME_NOTIFICATION_TYPES_H_
 #pragma once
 
 #include "content/public/browser/notification_types.h"
 
@@ skipping 762 matching lines @@
   NOTIFICATION_DOWNLOAD_INITIATED,
 
   // Misc --------------------------------------------------------------------
 
 #if defined(OS_CHROMEOS)
   // Sent when a chromium os user logs in.
   NOTIFICATION_LOGIN_USER_CHANGED,
 
   // Sent when the chromium session is first started. If this is a new user this
   // will not be sent until a profile picture has been selected, unlike
-  // NOTIFICATION_LOGIN_USER_CHANGED which is sent after the user has logged in.
+  // NOTIFICATION_LOGIN_USER_CHANGED which is sent immediately after the user
+  // has logged in. This will be sent again if the browser crashes and restarts.
   NOTIFICATION_SESSION_STARTED,
 
   // Sent when user image is updated.
   NOTIFICATION_LOGIN_USER_IMAGE_CHANGED,
 
   // Sent by UserManager when a profile image download has been completed.
   NOTIFICATION_PROFILE_IMAGE_UPDATED,
 
   // Sent by UserManager when profile image download has failed or user has the
   // default profile image or no profile image at all. No details are expected.
@@ skipping 210 matching lines @@
   // Currently only Content and Chrome define and use notifications.
   // Custom notifications not belonging to Content and Chrome should start
   // from here.
   NOTIFICATION_CHROME_END,
 };
 
 }  // namespace chrome
 
 
 #endif  // CHROME_COMMON_CHROME_NOTIFICATION_TYPES_H_