Remove the system menu display settings row

chrome/browser/ui/ash/system_tray_delegate_chromeos.cc

Index: chrome/browser/ui/ash/system_tray_delegate_chromeos.cc
diff --git a/chrome/browser/ui/ash/system_tray_delegate_chromeos.cc b/chrome/browser/ui/ash/system_tray_delegate_chromeos.cc
index 196200a4f3d6c9bcabe52cb7febbaacd528214a6..e38ef838b16656260398b12a5b9dedeb00b13006 100644
--- a/chrome/browser/ui/ash/system_tray_delegate_chromeos.cc
+++ b/chrome/browser/ui/ash/system_tray_delegate_chromeos.cc
@@ -34,7 +34,6 @@
 #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"
@@ -860,11 +859,6 @@ ash::VPNDelegate* SystemTrayDelegateChromeOS::GetVPNDelegate() const {
 }
 
 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);
 }