Eliminate WindowTreeConnection

components/mus/public/cpp/tests/window_tree_client_impl_private.h

Index: components/mus/public/cpp/tests/window_tree_client_impl_private.h
diff --git a/components/mus/public/cpp/tests/window_tree_client_impl_private.h b/components/mus/public/cpp/tests/window_tree_client_impl_private.h
deleted file mode 100644
index e1f745a06caaf9fe225d52e746a0d132e874520d..0000000000000000000000000000000000000000
--- a/components/mus/public/cpp/tests/window_tree_client_impl_private.h
+++ /dev/null
@@ -1,47 +0,0 @@
-// 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_WINDOW_TREE_CLIENT_IMPL_PRIVATE_H_
-#define COMPONENTS_MUS_PUBLIC_CPP_TESTS_WINDOW_TREE_CLIENT_IMPL_PRIVATE_H_
-
-#include <stdint.h>
-
-#include "base/macros.h"
-
-namespace ui {
-class Event;
-}
-
-namespace mus {
-namespace mojom {
-class WindowTree;
-}
-
-class Window;
-class WindowTreeClientImpl;
-
-// Use to access implementation details of WindowTreeClientImpl.
-class WindowTreeClientImplPrivate {
- public:
-  explicit WindowTreeClientImplPrivate(WindowTreeClientImpl* tree_client_impl);
-  explicit WindowTreeClientImplPrivate(Window* window);
-  ~WindowTreeClientImplPrivate();
-
-  uint32_t event_observer_id();
-
-  // Calls OnEmbed() on the WindowTreeClientImpl.
-  void OnEmbed(mojom::WindowTree* window_tree);
-
-  // Pretends that |event| has been received from the window server.
-  void CallOnWindowInputEvent(Window* window, const ui::Event& event);
-
- private:
-  WindowTreeClientImpl* tree_client_impl_;
-
-  DISALLOW_COPY_AND_ASSIGN(WindowTreeClientImplPrivate);
-};
-
-}  // namespace mus
-
-#endif  // COMPONENTS_MUS_PUBLIC_CPP_TESTS_WINDOW_TREE_CLIENT_IMPL_PRIVATE_H_