mus: Show USER_PRIVATE window container during views tests

components/mus/common/args.cc

Index: components/mus/common/args.cc
diff --git a/components/mus/common/args.cc b/components/mus/common/args.cc
deleted file mode 100644
index 04bdc2f7f3d66c44be20b4661f0c981571d63258..0000000000000000000000000000000000000000
--- a/components/mus/common/args.cc
+++ /dev/null
@@ -1,15 +0,0 @@
-// Copyright 2015 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 "components/mus/common/args.h"
-#include "components/mus/common/mus_common_export.h"
-
-namespace mus {
-
-// Initializes X11 in threaded mode, and sets the |override_redirect| flag when
-// creating X11 windows. Also, exposes the WindowServerTest interface to clients
-// when launched with this flag.
-const char kUseTestConfig[] = "use-test-config";
-
-}  // namespace mus