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

ash/system/tray/tray_popup_utils.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/tray_popup_utils.h"
 
 #include <algorithm>
 #include <utility>
 
 #include "ash/ash_constants.h"
@@ skipping 409 matching lines @@
 }
 
 views::Separator* TrayPopupUtils::CreateListSubHeaderSeparator() {
   views::Separator* separator = new views::Separator();
   separator->SetColor(kMenuSeparatorColor);
   separator->SetBorder(views::CreateEmptyBorder(
       kMenuSeparatorVerticalPadding - views::Separator::kThickness, 0, 0, 0));
   return separator;
 }
 
-bool TrayPopupUtils::CanOpenWebUISettings(LoginStatus status) {
-  // TODO(tdanderson): Consider moving this into ShellPort, or introduce a
-  // CanShowSettings() method in each delegate type that has a
-  // ShowSettings() method.
-  return status != LoginStatus::NOT_LOGGED_IN &&
-         status != LoginStatus::LOCKED &&
-         !Shell::Get()->session_controller()->IsInSecondaryLoginScreen();
+bool TrayPopupUtils::CanOpenWebUISettings() {
+  return Shell::Get()->session_controller()->ShouldEnableSettings();
 }
 
 void TrayPopupUtils::InitializeAsCheckableRow(HoverHighlightView* container,
                                               bool checked) {
   gfx::ImageSkia check_mark =
       CreateVectorIcon(kCheckCircleIcon, gfx::kGoogleGreen700);
   container->AddRightIcon(check_mark, check_mark.width());
   UpdateCheckMarkVisibility(container, checked);
 }
 
 void TrayPopupUtils::UpdateCheckMarkVisibility(HoverHighlightView* container,
                                                bool visible) {
   container->SetRightViewVisible(visible);
   container->SetAccessiblityState(
       visible ? HoverHighlightView::AccessibilityState::CHECKED_CHECKBOX
               : HoverHighlightView::AccessibilityState::UNCHECKED_CHECKBOX);
 }
 
 }  // namespace ash