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

ash/system/bluetooth/tray_bluetooth.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/bluetooth/tray_bluetooth.h"
 
 #include "ash/resources/grit/ash_resources.h"
 #include "ash/resources/vector_icons/vector_icons.h"
 #include "ash/session/session_state_delegate.h"
 #include "ash/shell.h"
@@ skipping 464 matching lines @@
 
     DCHECK(!toggle_);
     DCHECK(!settings_);
 
     tri_view()->SetContainerVisible(TriView::Container::END, true);
 
     toggle_ =
         TrayPopupUtils::CreateToggleButton(this, IDS_ASH_STATUS_TRAY_BLUETOOTH);
     tri_view()->AddView(TriView::Container::END, toggle_);
 
-    settings_ =
-        CreateSettingsButton(login_, IDS_ASH_STATUS_TRAY_BLUETOOTH_SETTINGS);
+    settings_ = CreateSettingsButton(IDS_ASH_STATUS_TRAY_BLUETOOTH_SETTINGS);
     tri_view()->AddView(TriView::Container::END, settings_);
   }
 
   void ShowSettings() {
-    if (TrayPopupUtils::CanOpenWebUISettings(login_)) {
+    if (TrayPopupUtils::CanOpenWebUISettings()) {
       Shell::Get()->system_tray_controller()->ShowBluetoothSettings();
       owner()->system_tray()->CloseSystemBubble();
     }
   }
 
   void ShowLoadingIndicator() {
     // Setting a value of -1 gives progress_bar an infinite-loading behavior.
     ShowProgress(-1, true);
   }
 
@@ skipping 64 matching lines @@
 
   void FocusDeviceByAddress(const std::string& address) {
     for (auto& view_and_address : device_map_) {
       if (view_and_address.second == address) {
         view_and_address.first->RequestFocus();
         return;
       }
     }
   }
 
+  // TODO(jamescook): Don't cache this.
   LoginStatus login_;
 
   std::map<views::View*, std::string> device_map_;
 
   BluetoothDeviceList connected_devices_;
   BluetoothDeviceList connecting_devices_;
   BluetoothDeviceList paired_not_connected_devices_;
   BluetoothDeviceList discovered_not_paired_devices_;
 
   views::ToggleButton* toggle_;
@@ skipping 61 matching lines @@
     detailed_->Update();
 }
 
 void TrayBluetooth::OnBluetoothDiscoveringChanged() {
   if (!detailed_)
     return;
   detailed_->Update();
 }
 
 }  // namespace ash