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 4ed3cf92f62311f26b5209367cbb323b8cf01b6b..1b984d0d1ba857e3304902d8c59b8bacf3e112d8 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"
@@ -847,11 +846,6 @@ 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);
 }