Added Aura notification that relaunch and powerwash is required in case of downgrade.

chrome/browser/ui/ash/system_tray_delegate_chromeos.cc

 // Copyright 2013 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/ui/ash/system_tray_delegate_chromeos.h"
 
 #include <algorithm>
 #include <set>
 #include <string>
 #include <vector>
@@ skipping 53 matching lines @@
 #include "chrome/browser/chromeos/policy/device_cloud_policy_manager_chromeos.h"
 #include "chrome/browser/chromeos/profiles/multiprofiles_intro_dialog.h"
 #include "chrome/browser/chromeos/profiles/profile_helper.h"
 #include "chrome/browser/chromeos/set_time_dialog.h"
 #include "chrome/browser/chromeos/settings/cros_settings.h"
 #include "chrome/browser/chromeos/sim_dialog_delegate.h"
 #include "chrome/browser/chromeos/ui/choose_mobile_network_dialog.h"
 #include "chrome/browser/lifetime/application_lifetime.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/ui/ash/multi_user/multi_user_util.h"
+#include "chrome/browser/ui/ash/system_tray_delegate_utils.h"
 #include "chrome/browser/ui/ash/user_accounts_delegate_chromeos.h"
 #include "chrome/browser/ui/ash/volume_controller_chromeos.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_finder.h"
 #include "chrome/browser/ui/browser_list.h"
 #include "chrome/browser/ui/chrome_pages.h"
 #include "chrome/browser/ui/host_desktop.h"
 #include "chrome/browser/ui/scoped_tabbed_browser_displayer.h"
 #include "chrome/browser/ui/singleton_tabs.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
@@ skipping 315 matching lines @@
   return l10n_util::GetStringFUTF16(
       IDS_USER_IS_SUPERVISED_BY_NOTICE,
       base::UTF8ToUTF16(GetSupervisedUserManager()));
 }
 
 bool SystemTrayDelegateChromeOS::IsUserSupervised() const {
   user_manager::User* user = user_manager::UserManager::Get()->GetActiveUser();
   return user && user->IsSupervised();
 }
 
-bool SystemTrayDelegateChromeOS::SystemShouldUpgrade() const {
-  return UpgradeDetector::GetInstance()->notify_upgrade();
+void SystemTrayDelegateChromeOS::GetSystemUpdateInfo(
+    ash::UpdateInfo* info) const {
+  system_tray_delegate_utils::GetUpdateInfo(UpgradeDetector::GetInstance(),
+                                            info);
 }
 
 base::HourClockType SystemTrayDelegateChromeOS::GetHourClockType() const {
   return clock_type_;
 }
 
 void SystemTrayDelegateChromeOS::ShowSettings() {
   ShowSettingsSubPageForActiveUser("");
 }
 
@@ skipping 659 matching lines @@
   return GetNativeWindowByStatus(GetUserLoginStatus(), session_started);
 }
 
 // content::NotificationObserver implementation.
 void SystemTrayDelegateChromeOS::Observe(
     int type,
     const content::NotificationSource& source,
     const content::NotificationDetails& details) {
   switch (type) {
     case chrome::NOTIFICATION_UPGRADE_RECOMMENDED: {
-      UpgradeDetector* detector =
-          content::Source<UpgradeDetector>(source).ptr();
-      ash::UpdateObserver::UpdateSeverity severity =
-          ash::UpdateObserver::UPDATE_NORMAL;
-      switch (detector->upgrade_notification_stage()) {
-        case UpgradeDetector::UPGRADE_ANNOYANCE_SEVERE:
-          severity = ash::UpdateObserver::UPDATE_SEVERE_RED;
-          break;
-
-        case UpgradeDetector::UPGRADE_ANNOYANCE_HIGH:
-          severity = ash::UpdateObserver::UPDATE_HIGH_ORANGE;
-          break;
-
-        case UpgradeDetector::UPGRADE_ANNOYANCE_ELEVATED:
-          severity = ash::UpdateObserver::UPDATE_LOW_GREEN;
-          break;
-
-        case UpgradeDetector::UPGRADE_ANNOYANCE_LOW:
-        default:
-          severity = ash::UpdateObserver::UPDATE_NORMAL;
-          break;
-      }
-      GetSystemTrayNotifier()->NotifyUpdateRecommended(severity);
+      ash::UpdateInfo info;
+      system_tray_delegate_utils::GetUpdateInfo(
+          content::Source<UpgradeDetector>(source).ptr(), &info);
+      GetSystemTrayNotifier()->NotifyUpdateRecommended(info);
       break;
     }
     case chrome::NOTIFICATION_LOGIN_USER_IMAGE_CHANGED: {
       // This notification is also sent on login screen when user avatar
       // is loaded from file.
       if (GetUserLoginStatus() != ash::user::LOGGED_IN_NONE) {
         GetSystemTrayNotifier()->NotifyUserUpdate();
       }
       break;
     }
@@ skipping 172 matching lines @@
     accessibility_subscription_.reset();
   else
     OnAccessibilityModeChanged(details.notify);
 }
 
 ash::SystemTrayDelegate* CreateSystemTrayDelegate() {
   return new SystemTrayDelegateChromeOS();
 }
 
 }  // namespace chromeos