Display "Restart to update Adobe Flash Player" for Flash updates.

ash/system/tray/system_tray_controller.cc

 // Copyright 2016 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 "ash/system/tray/system_tray_controller.h"
 
 #include "ash/root_window_controller.h"
 #include "ash/shell.h"
 #include "ash/shell_port.h"
 #include "ash/system/tray/system_tray.h"
@@ skipping 166 matching lines @@
     tray->GetWidget()->Hide();
   }
 }
 
 void SystemTrayController::SetUse24HourClock(bool use_24_hour) {
   hour_clock_type_ = use_24_hour ? base::k24HourClock : base::k12HourClock;
   Shell::Get()->system_tray_notifier()->NotifyDateFormatChanged();
 }
 
 void SystemTrayController::ShowUpdateIcon(mojom::UpdateSeverity severity,
-                                          bool factory_reset_required) {
+                                          bool factory_reset_required,
+                                          mojom::UpdateType update_type) {
   // Show the icon on all displays.
   for (WmWindow* root : ShellPort::Get()->GetAllRootWindows()) {
     ash::SystemTray* tray = root->GetRootWindowController()->GetSystemTray();
     // External monitors might not have a tray yet.
     if (!tray)
       continue;
-    tray->tray_update()->ShowUpdateIcon(severity, factory_reset_required);
+    tray->tray_update()->ShowUpdateIcon(severity, factory_reset_required,
+                                        update_type);
   }
 }
 
 }  // namespace ash