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

ash/system/tiles/tiles_default_view.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/tiles/tiles_default_view.h"
 
 #include "ash/metrics/user_metrics_action.h"
 #include "ash/resources/vector_icons/vector_icons.h"
 #include "ash/session/session_controller.h"
 #include "ash/shell.h"
@@ skipping 19 matching lines @@
 namespace {
 
 // The ISO-639 code for the Hebrew locale. The help icon asset is a '?' which is
 // not mirrored in this locale.
 const char kHebrewLocale[] = "he";
 
 }  // namespace
 
 namespace ash {
 
-TilesDefaultView::TilesDefaultView(SystemTrayItem* owner, LoginStatus login)
+TilesDefaultView::TilesDefaultView(SystemTrayItem* owner)
     : owner_(owner),
-      login_(login),
       settings_button_(nullptr),
       help_button_(nullptr),
       lock_button_(nullptr),
-      power_button_(nullptr) {}
+      power_button_(nullptr) {
+  DCHECK(owner_);
+}
 
-TilesDefaultView::~TilesDefaultView() {}
+TilesDefaultView::~TilesDefaultView() = default;
 
 void TilesDefaultView::Init() {
   views::BoxLayout* box_layout =
       new views::BoxLayout(views::BoxLayout::kHorizontal, 4, 0, 0);
   box_layout->set_main_axis_alignment(
       views::BoxLayout::MAIN_AXIS_ALIGNMENT_START);
   box_layout->set_cross_axis_alignment(
       views::BoxLayout::CROSS_AXIS_ALIGNMENT_CENTER);
   SetLayoutManager(box_layout);
 
   // Show the buttons in this row as disabled if the user is at the login
   // screen, lock screen, or in a secondary account flow. The exception is
   // |power_button_| which is always shown as enabled.
-  const bool disable_buttons = !TrayPopupUtils::CanOpenWebUISettings(login_);
+  const bool disable_buttons = !TrayPopupUtils::CanOpenWebUISettings();
 
   settings_button_ = new SystemMenuButton(
       this, TrayPopupInkDropStyle::HOST_CENTERED, kSystemMenuSettingsIcon,
       IDS_ASH_STATUS_TRAY_SETTINGS);
-  if (disable_buttons ||
-      !Shell::Get()->session_controller()->ShouldEnableSettings())
+  if (disable_buttons)
     settings_button_->SetEnabled(false);
   AddChildView(settings_button_);
   AddChildView(TrayPopupUtils::CreateVerticalSeparator());
 
   help_button_ =
       new SystemMenuButton(this, TrayPopupInkDropStyle::HOST_CENTERED,
                            kSystemMenuHelpIcon, IDS_ASH_STATUS_TRAY_HELP);
   if (base::i18n::IsRTL() &&
       base::i18n::GetConfiguredLocale() == kHebrewLocale) {
     // The asset for the help button is a question mark '?'. Normally this asset
@@ skipping 51 matching lines @@
 views::View* TilesDefaultView::GetHelpButtonView() const {
   return help_button_;
 }
 
 const views::CustomButton* TilesDefaultView::GetShutdownButtonViewForTest()
     const {
   return power_button_;
 }
 
 }  // namespace ash