Converts WindowTreeClientTest to be in terms of aura

services/ui/public/cpp/tests/window_server_shelltest_base.h

-// Copyright 2016 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.
-
-#ifndef SERVICES_UI_PUBLIC_CPP_TESTS_WINDOW_SERVER_SHELLTEST_BASE_H_
-#define SERVICES_UI_PUBLIC_CPP_TESTS_WINDOW_SERVER_SHELLTEST_BASE_H_
-
-#include "base/macros.h"
-#include "services/service_manager/public/cpp/connection.h"
-#include "services/service_manager/public/cpp/service_test.h"
-
-namespace ui {
-
-// Base class for all window manager ServiceTests to perform some common setup.
-class WindowServerServiceTestBase : public service_manager::test::ServiceTest {
- public:
-  WindowServerServiceTestBase();
-  ~WindowServerServiceTestBase() override;
-
-  virtual bool OnConnect(const service_manager::Identity& remote_identity,
-                         service_manager::InterfaceRegistry* registry) = 0;
-
- private:
-  // service_manager::test::ServiceTest:
-  std::unique_ptr<service_manager::Service> CreateService() override;
-
-  DISALLOW_COPY_AND_ASSIGN(WindowServerServiceTestBase);
-};
-
-}  // namespace ui
-
-#endif  // SERVICES_UI_PUBLIC_CPP_TESTS_WINDOW_SERVER_SHELLTEST_BASE_H_