Remove the system menu display settings row

ash/test/test_system_tray_delegate.cc

Index: ash/test/test_system_tray_delegate.cc
diff --git a/ash/test/test_system_tray_delegate.cc b/ash/test/test_system_tray_delegate.cc
index deafe17f4397c211d6bcf46ac0542436a202f330..ce193fac1f881785c43d75f804c0671b0f944b8d 100644
--- a/ash/test/test_system_tray_delegate.cc
+++ b/ash/test/test_system_tray_delegate.cc
@@ -15,7 +15,7 @@
 
 #if defined(OS_CHROMEOS)
 #include "ash/system/chromeos/rotation/tray_rotation_lock.h"
-#include "ash/system/chromeos/tray_display.h"
+#include "ash/system/chromeos/screen_layout_observer.h"
 #include "base/memory/ptr_util.h"
 #else
 #include "ash/common/system/tray/system_tray_item.h"
@@ -120,15 +120,6 @@ void TestSystemTrayDelegate::SignOut() {
   base::MessageLoop::current()->QuitWhenIdle();
 }
 
-std::unique_ptr<SystemTrayItem> TestSystemTrayDelegate::CreateDisplayTrayItem(
-    SystemTray* tray) {
-#if defined(OS_CHROMEOS)
-  return base::MakeUnique<TrayDisplay>(tray);
-#else
-  return nullptr;
-#endif
-}
-
 std::unique_ptr<SystemTrayItem>
 TestSystemTrayDelegate::CreateRotationLockTrayItem(SystemTray* tray) {
 #if defined(OS_CHROMEOS)