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

chrome/browser/ui/ash/system_tray_delegate_linux.cc

Index: chrome/browser/ui/ash/system_tray_delegate_linux.cc
diff --git a/chrome/browser/ui/ash/system_tray_delegate_linux.cc b/chrome/browser/ui/ash/system_tray_delegate_linux.cc
index 8c3ee83462e3772af45b6b25bf88841d331a222e..d45ee1f783b420cab1db4d20c94e3d3626578caa 100644
--- a/chrome/browser/ui/ash/system_tray_delegate_linux.cc
+++ b/chrome/browser/ui/ash/system_tray_delegate_linux.cc
@@ -27,6 +27,31 @@
 
 namespace {
 
+void GetUpdateInfo(const UpgradeDetector* detector, ash::UpdateInfo* info) {
+  if (!detector || !info)
+    return;
+  ash::UpdateInfo::UpdateSeverity severity =
+      ash::UpdateInfo::UPDATE_NORMAL;
+  switch (detector->upgrade_notification_stage()) {
+    case UpgradeDetector::UPGRADE_ANNOYANCE_CRITICAL:
+    case UpgradeDetector::UPGRADE_ANNOYANCE_SEVERE:
+      severity = ash::UpdateInfo::UPDATE_SEVERE_RED;
+      break;
+    case UpgradeDetector::UPGRADE_ANNOYANCE_HIGH:
+      severity = ash::UpdateInfo::UPDATE_HIGH_ORANGE;
+      break;
+    case UpgradeDetector::UPGRADE_ANNOYANCE_ELEVATED:
+      severity = ash::UpdateInfo::UPDATE_LOW_GREEN;
+      break;
+    case UpgradeDetector::UPGRADE_ANNOYANCE_LOW:
+    case UpgradeDetector::UPGRADE_ANNOYANCE_NONE:
+      severity = ash::UpdateInfo::UPDATE_NORMAL;
+      break;
+  }
+  info->severity = severity;
+  info->is_factory_reset_required = detector->is_factory_reset_required();
+}
+
 class SystemTrayDelegateLinux : public ash::SystemTrayDelegate,
                                 public content::NotificationObserver {
  public:
@@ -87,8 +112,10 @@ class SystemTrayDelegateLinux : public ash::SystemTrayDelegate,
     return false;
   }
 
-  virtual bool SystemShouldUpgrade() const OVERRIDE {
-    return UpgradeDetector::GetInstance()->notify_upgrade();
+  virtual bool SystemShouldUpgrade(ash::UpdateInfo* info) const OVERRIDE {
+    UpgradeDetector* detector = UpgradeDetector::GetInstance();
+    GetUpdateInfo(detector, info);
+    return detector->notify_upgrade();
   }
 
   virtual base::HourClockType GetHourClockType() const OVERRIDE {
@@ -302,27 +329,9 @@ class SystemTrayDelegateLinux : public ash::SystemTrayDelegate,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) OVERRIDE {
     if (type == 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_CRITICAL:
-        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:
-        case UpgradeDetector::UPGRADE_ANNOYANCE_NONE:
-          severity = ash::UpdateObserver::UPDATE_NORMAL;
-          break;
-      }
-      GetSystemTrayNotifier()->NotifyUpdateRecommended(severity);
+      ash::UpdateInfo info;
+      GetUpdateInfo(content::Source<UpgradeDetector>(source).ptr(), &info);
+      GetSystemTrayNotifier()->NotifyUpdateRecommended(info);
     } else {
       NOTREACHED();
     }