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

ash/system/ime/tray_ime_chromeos.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/ime/tray_ime_chromeos.h"
 
 #include <vector>
 
 #include "ash/resources/vector_icons/vector_icons.h"
 #include "ash/session/session_state_delegate.h"
@@ skipping 57 matching lines @@
 
  private:
   DISALLOW_COPY_AND_ASSIGN(IMEDefaultView);
 };
 
 // A list of available IMEs shown in the IME detailed view of the system menu,
 // along with other items in the title row (a settings button and optional
 // enterprise-controlled icon).
 class IMEDetailedView : public ImeListView {
  public:
-  IMEDetailedView(SystemTrayItem* owner, LoginStatus login)
-      : ImeListView(owner), login_(login), settings_button_(nullptr) {}
+  explicit IMEDetailedView(SystemTrayItem* owner)
+      : ImeListView(owner), settings_button_(nullptr) {}
 
   ~IMEDetailedView() override {}
 
   void SetImeManagedMessage(base::string16 ime_managed_message) {
     ime_managed_message_ = ime_managed_message;
   }
 
   void Update(const IMEInfoList& list,
               const IMEPropertyInfoList& property_list,
               bool show_keyboard_toggle,
@@ skipping 22 matching lines @@
   void CreateExtraTitleRowButtons() override {
     if (!ime_managed_message_.empty()) {
       controlled_setting_icon_ = TrayPopupUtils::CreateMainImageView();
       controlled_setting_icon_->SetImage(
           gfx::CreateVectorIcon(kSystemMenuBusinessIcon, kMenuIconColor));
       controlled_setting_icon_->SetTooltipText(ime_managed_message_);
       tri_view()->AddView(TriView::Container::END, controlled_setting_icon_);
     }
 
     tri_view()->SetContainerVisible(TriView::Container::END, true);
-    settings_button_ =
-        CreateSettingsButton(login_, IDS_ASH_STATUS_TRAY_IME_SETTINGS);
+    settings_button_ = CreateSettingsButton(IDS_ASH_STATUS_TRAY_IME_SETTINGS);
     tri_view()->AddView(TriView::Container::END, settings_button_);
   }
 
   void ShowSettings() {
     ShellPort::Get()->RecordUserMetricsAction(
         UMA_STATUS_AREA_IME_SHOW_DETAILED);
     Shell::Get()->system_tray_controller()->ShowIMESettings();
     if (owner()->system_tray())
       owner()->system_tray()->CloseSystemBubble();
   }
 
-  LoginStatus login_;
-
   views::Button* settings_button_;
 
   // This icon says that the IMEs are managed by policy.
   views::ImageView* controlled_setting_icon_;
   // If non-empty, a controlled setting icon should be displayed with this
   // string as tooltip.
   base::string16 ime_managed_message_;
 
   DISALLOW_COPY_AND_ASSIGN(IMEDetailedView);
 };
@@ skipping 93 matching lines @@
 views::View* TrayIME::CreateDefaultView(LoginStatus status) {
   CHECK(default_ == NULL);
   default_ = new tray::IMEDefaultView(
       this, GetDefaultViewLabel(ShouldShowImeTrayItem(ime_list_.size())));
   default_->SetVisible(ShouldDefaultViewBeVisible());
   return default_;
 }
 
 views::View* TrayIME::CreateDetailedView(LoginStatus status) {
   CHECK(detailed_ == NULL);
-  detailed_ = new tray::IMEDetailedView(this, status);
+  detailed_ = new tray::IMEDetailedView(this);
   detailed_->SetImeManagedMessage(ime_managed_message_);
   detailed_->Init(ShouldShowKeyboardToggle(), GetSingleImeBehavior());
   return detailed_;
 }
 
 void TrayIME::DestroyTrayView() {
   tray_label_ = NULL;
 }
 
 void TrayIME::DestroyDefaultView() {
@@ skipping 42 matching lines @@
   return ime_count >= threshold;
 }
 
 ImeListView::SingleImeBehavior TrayIME::GetSingleImeBehavior() {
   // If managed, we also want to show a single IME.
   return IsIMEManaged() ? ImeListView::SHOW_SINGLE_IME
                         : ImeListView::HIDE_SINGLE_IME;
 }
 
 }  // namespace ash