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

ash/system/tray/tray_details_view.cc

 // 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.
 
 #include "ash/system/tray/tray_details_view.h"
 
 #include "ash/ash_view_ids.h"
 #include "ash/strings/grit/ash_strings.h"
 #include "ash/system/tray/system_menu_button.h"
 #include "ash/system/tray/system_tray.h"
@@ skipping 308 matching lines @@
     progress_bar_->SetVisible(false);
     AddChildViewAt(progress_bar_, kTitleRowSeparatorIndex + 1);
   }
 
   progress_bar_->SetValue(value);
   progress_bar_->SetVisible(visible);
   child_at(kTitleRowSeparatorIndex)->SetVisible(!visible);
 }
 
 views::CustomButton* TrayDetailsView::CreateSettingsButton(
-    LoginStatus status,
     int setting_accessible_name_id) {
   SystemMenuButton* button =
       new SystemMenuButton(this, TrayPopupInkDropStyle::HOST_CENTERED,
                            kSystemMenuSettingsIcon, setting_accessible_name_id);
-  if (!TrayPopupUtils::CanOpenWebUISettings(status))
+  if (!TrayPopupUtils::CanOpenWebUISettings())
     button->SetEnabled(false);
   return button;
 }
 
-views::CustomButton* TrayDetailsView::CreateHelpButton(LoginStatus status) {
+views::CustomButton* TrayDetailsView::CreateHelpButton() {
   SystemMenuButton* button =
       new SystemMenuButton(this, TrayPopupInkDropStyle::HOST_CENTERED,
                            kSystemMenuHelpIcon, IDS_ASH_STATUS_TRAY_HELP);
-  if (!TrayPopupUtils::CanOpenWebUISettings(status))
+  // Help opens a web page, so treat it like Web UI settings.
+  if (!TrayPopupUtils::CanOpenWebUISettings())
     button->SetEnabled(false);
   return button;
 }
 
 void TrayDetailsView::HandleViewClicked(views::View* view) {
   NOTREACHED();
 }
 
 void TrayDetailsView::HandleButtonPressed(views::Button* sender,
                                           const ui::Event& event) {
@@ skipping 37 matching lines @@
   if (bounds().IsEmpty())
     return views::View::GetHeightForWidth(width);
 
   // The height of the bubble that contains this detailed view is set to
   // the preferred height of the default view, and that determines the
   // initial height of |this|. Always request to stay the same height.
   return height();
 }
 
 }  // namespace ash