😴 Skip some KeepAlive registrations on shutdown.

chrome/browser/notifications/message_center_notification_manager.cc

 // 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.
 
 #include "chrome/browser/notifications/message_center_notification_manager.h"
 
 #include <memory>
 #include <utility>
 
 #include "base/logging.h"
@@ skipping 127 matching lines @@
     if (old_notification->notification().tag() == tag &&
         old_notification->notification().origin_url() == origin_url &&
         old_notification->profile_id() ==
             NotificationUIManager::GetProfileID(profile)) {
       // Changing the type from non-progress to progress does not count towards
       // the immediate update allowed in the message center.
       std::string old_id = old_notification->notification().id();
 
       // Add/remove notification in the local list but just update the same
       // one in MessageCenter.
+      ProfileNotification* new_notification =
+          new ProfileNotification(profile, notification);
+      // Delete the old one after the new one is created to ensure we don't run
+      // out of KeepAlives.
       delete old_notification;
       profile_notifications_.erase(old_id);
-      ProfileNotification* new_notification =
-          new ProfileNotification(profile, notification);
       profile_notifications_[new_notification->notification().id()] =
           new_notification;
 
       // TODO(liyanhou): Add routing updated notifications to alternative
       // providers.
 
       // WARNING: You MUST use AddProfileNotification or update the message
       // center via the notification within a ProfileNotification object or the
       // profile ID will not be correctly set for ChromeOS.
       message_center_->UpdateNotification(
@@ skipping 215 matching lines @@
        it != registry->enabled_extensions().end();
        ++it) {
     if ((*it->get()).permissions_data()->HasAPIPermission(
             extensions::APIPermission::ID::kNotificationProvider)) {
       extension_id = (*it->get()).id();
       return extension_id;
     }
   }
   return extension_id;
 }