mus: Remove the old client lib.

services/ui/public/cpp/tests/window_tree_client_private.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_TREE_CLIENT_PRIVATE_H_
-#define SERVICES_UI_PUBLIC_CPP_TESTS_WINDOW_TREE_CLIENT_PRIVATE_H_
-
-#include <stdint.h>
-
-#include <memory>
-
-#include "base/macros.h"
-#include "services/ui/common/types.h"
-
-namespace display {
-class Display;
-}
-
-namespace ui {
-class Event;
-}
-
-namespace ui {
-namespace mojom {
-class WindowTree;
-}
-
-class Window;
-class WindowTreeClient;
-
-// Use to access implementation details of WindowTreeClient.
-class WindowTreeClientPrivate {
- public:
-  explicit WindowTreeClientPrivate(WindowTreeClient* tree_client_impl);
-  explicit WindowTreeClientPrivate(Window* window);
-  ~WindowTreeClientPrivate();
-
-  // Calls OnEmbed() on the WindowTreeClient.
-  void OnEmbed(mojom::WindowTree* window_tree);
-
-  void CallWmNewDisplayAdded(const display::Display& display);
-
-  // Pretends that |event| has been received from the window server.
-  void CallOnWindowInputEvent(Window* window, std::unique_ptr<ui::Event> event);
-
-  void CallOnCaptureChanged(Window* new_capture, Window* old_capture);
-
-  // Sets the WindowTree and client id.
-  void SetTreeAndClientId(mojom::WindowTree* window_tree,
-                          ClientSpecificId client_id);
-
-  bool HasPointerWatcher();
-
- private:
-  WindowTreeClient* tree_client_impl_;
-  uint16_t next_window_id_ = 1u;
-
-  DISALLOW_COPY_AND_ASSIGN(WindowTreeClientPrivate);
-};
-
-}  // namespace ui
-
-#endif  // SERVICES_UI_PUBLIC_CPP_TESTS_WINDOW_TREE_CLIENT_PRIVATE_H_