Remove the system menu display settings row

chrome/browser/ui/ash/system_tray_delegate_chromeos.cc

 // Copyright 2013 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 "chrome/browser/ui/ash/system_tray_delegate_chromeos.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <set>
@@ skipping 16 matching lines @@
 #include "ash/common/system/tray/system_tray.h"
 #include "ash/common/system/tray/system_tray_delegate.h"
 #include "ash/common/system/tray/system_tray_notifier.h"
 #include "ash/common/system/tray_accessibility.h"
 #include "ash/common/system/update/update_observer.h"
 #include "ash/common/system/user/user_observer.h"
 #include "ash/common/system/volume_control_delegate.h"
 #include "ash/common/wm_shell.h"
 #include "ash/shell.h"
 #include "ash/system/chromeos/rotation/tray_rotation_lock.h"
-#include "ash/system/chromeos/tray_display.h"
 #include "ash/wm/lock_state_controller.h"
 #include "base/bind_helpers.h"
 #include "base/callback.h"
 #include "base/logging.h"
 #include "base/memory/ptr_util.h"
 #include "base/memory/weak_ptr.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/sys_info.h"
 #include "base/time/time.h"
@@ skipping 792 matching lines @@
 void SystemTrayDelegateChromeOS::ShouldRebootOnShutdown(
     const ash::RebootOnShutdownCallback& callback) {
   shutdown_policy_handler_->CheckIfRebootOnShutdown(callback);
 }
 
 ash::VPNDelegate* SystemTrayDelegateChromeOS::GetVPNDelegate() const {
   return vpn_delegate_.get();
 }
 
 std::unique_ptr<ash::SystemTrayItem>
-SystemTrayDelegateChromeOS::CreateDisplayTrayItem(ash::SystemTray* tray) {
-  return base::MakeUnique<ash::TrayDisplay>(tray);
-}
-
-std::unique_ptr<ash::SystemTrayItem>
 SystemTrayDelegateChromeOS::CreateRotationLockTrayItem(ash::SystemTray* tray) {
   return base::MakeUnique<ash::TrayRotationLock>(tray);
 }
 
 void SystemTrayDelegateChromeOS::UserAddedToSession(
     const user_manager::User* active_user) {
 }
 
 void SystemTrayDelegateChromeOS::ActiveUserChanged(
     const user_manager::User* /* active_user */) {
@@ skipping 462 matching lines @@
   LOG(WARNING) << "SystemTrayDelegateChromeOS::GetChildUserMessage call while "
                << "ENABLE_SUPERVISED_USERS undefined.";
   return base::string16();
 }
 
 ash::SystemTrayDelegate* CreateSystemTrayDelegate() {
   return new SystemTrayDelegateChromeOS();
 }
 
 }  // namespace chromeos