Display "Restart to update" dialog to Chrome OS users.

chrome/browser/ui/ash/system_tray_delegate_utils.cc

Index: chrome/browser/ui/ash/system_tray_delegate_utils.cc
diff --git a/chrome/browser/ui/ash/system_tray_delegate_utils.cc b/chrome/browser/ui/ash/system_tray_delegate_utils.cc
index 470dc685b406468461df2d45ec1f9eb001a6a533..ef8d393bb057ae82d2fa0743b108c931b204200c 100644
--- a/chrome/browser/ui/ash/system_tray_delegate_utils.cc
+++ b/chrome/browser/ui/ash/system_tray_delegate_utils.cc
@@ -33,4 +33,6 @@ void GetUpdateInfo(const UpgradeDetector* detector, ash::UpdateInfo* info) {
   }
   info->update_required = detector->notify_upgrade();
   info->factory_reset_required = detector->is_factory_reset_required();
+  // This value is assumed to be false and overridden on Chrome OS.
+  info->component_update_required = false;
 }