cros: Disable system tray help/lock buttons during supervised user creation

ash/system/tray/tray_details_view.h

 // 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.
 
 #ifndef ASH_SYSTEM_TRAY_TRAY_DETAILS_VIEW_H_
 #define ASH_SYSTEM_TRAY_TRAY_DETAILS_VIEW_H_
 
 #include <memory>
 
 #include "ash/ash_export.h"
-#include "ash/login_status.h"
 #include "ash/system/tray/tray_constants.h"
 #include "ash/system/tray/view_click_listener.h"
 #include "base/macros.h"
 #include "base/timer/timer.h"
 #include "ui/views/controls/button/button.h"
 #include "ui/views/view.h"
 
 namespace views {
 class BoxLayout;
 class CustomButton;
@@ skipping 50 matching lines @@
   void Reset();
 
   // Shows or hides the progress bar below the title row. It occupies the same
   // space as the separator, so when shown the separator is hidden. If
   // |progress_bar_| doesn't already exist it will be created.
   void ShowProgress(double value, bool visible);
 
   // Helper functions which create and return the settings and help buttons,
   // respectively, used in the material design top-most header row. The caller
   // assumes ownership of the returned buttons.
-  views::CustomButton* CreateSettingsButton(LoginStatus status,
-                                            int setting_accessible_name_id);
-  views::CustomButton* CreateHelpButton(LoginStatus status);
+  views::CustomButton* CreateSettingsButton(int setting_accessible_name_id);
+  views::CustomButton* CreateHelpButton();
 
   TriView* tri_view() { return tri_view_; }
 
  private:
   friend class test::TrayDetailsViewTest;
 
   // Overridden to handle clicks on subclass-specific views.
   virtual void HandleViewClicked(views::View* view);
 
   // Overridden to handle button presses on subclass-specific buttons.
@@ skipping 35 matching lines @@
 
   // Used to delay the transition to the default view.
   base::OneShotTimer transition_delay_timer_;
 
   DISALLOW_COPY_AND_ASSIGN(TrayDetailsView);
 };
 
 }  // namespace ash
 
 #endif  // ASH_SYSTEM_TRAY_TRAY_DETAILS_VIEW_H_