Eliminate WindowTreeConnection

components/mus/public/cpp/tests/test_window_tree_connection_setup.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 COMPONENTS_MUS_PUBLIC_CPP_TESTS_TEST_WINDOW_TREE_CONNECTION_SETUP_H_
-#define COMPONENTS_MUS_PUBLIC_CPP_TESTS_TEST_WINDOW_TREE_CONNECTION_SETUP_H_
-
-#include <memory>
-
-#include "base/macros.h"
-#include "components/mus/public/cpp/window_tree_connection_observer.h"
-
-namespace mus {
-
-class TestWindowTree;
-class WindowManagerDelegate;
-class WindowTreeClientImpl;
-class WindowTreeConnection;
-class WindowTreeDelegate;
-
-// TestWindowTreeConnectionSetup is used to create a WindowTreeConnection
-// (really a WindowTreeClientImpl) that is not connected to mus.
-class TestWindowTreeConnectionSetup : public mus::WindowTreeConnectionObserver {
- public:
-  TestWindowTreeConnectionSetup();
-  ~TestWindowTreeConnectionSetup() override;
-
-  // Initializes the WindowTreeConnection. |window_manager_delegate| may be
-  // null.
-  void Init(WindowTreeDelegate* window_tree_delegate,
-            WindowManagerDelegate* window_manager_delegate);
-
-  // The WindowTree that WindowTreeConnection talks to.
-  TestWindowTree* window_tree() { return window_tree_.get(); }
-
-  WindowTreeConnection* window_tree_connection();
-
- private:
-  // mus::WindowTreeConnectionObserver:
-  void OnWillDestroyConnection(mus::WindowTreeConnection* connection) override;
-
-  std::unique_ptr<TestWindowTree> window_tree_;
-
-  // See description of WindowTreeDelegate for details on ownership. The
-  // WindowTreeClientImpl may be deleted during shutdown by the test. If not,
-  // we own it and must delete it.
-  std::unique_ptr<WindowTreeClientImpl> window_tree_client_;
-
-  DISALLOW_COPY_AND_ASSIGN(TestWindowTreeConnectionSetup);
-};
-
-}  // namespace mus
-
-#endif  // COMPONENTS_MUS_PUBLIC_CPP_TESTS_TEST_WINDOW_TREE_CONNECTION_SETUP_H_