Move ui_services_unittests into service_unittest.

services/ui/public/cpp/tests/window_server_test_suite.cc

-// Copyright 2014 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 "services/ui/public/cpp/tests/window_server_test_suite.h"
-
-#include "base/i18n/icu_util.h"
-
-#if defined(USE_X11)
-#include "ui/gfx/x/x11_connection.h"  // nogncheck
-#endif
-
-namespace ui {
-
-WindowServerTestSuite::WindowServerTestSuite(int argc, char** argv)
-    : TestSuite(argc, argv) {}
-
-WindowServerTestSuite::~WindowServerTestSuite() {}
-
-void WindowServerTestSuite::Initialize() {
-#if defined(USE_X11)
-  // Each test ends up creating a new thread for the native viewport service.
-  // In other words we'll use X on different threads, so tell it that.
-  gfx::InitializeThreadedX11();
-#endif
-
-  base::TestSuite::Initialize();
-
-  // base::TestSuite and ViewsInit both try to load icu. That's ok for tests.
-  base::i18n::AllowMultipleInitializeCallsForTesting();
-}
-
-}  // namespace ui