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// Copyright 2015 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 UI_AURA_MUS_WINDOW_TREE_CLIENT_OBSERVER_H_
#define UI_AURA_MUS_WINDOW_TREE_CLIENT_OBSERVER_H_
#include "ui/aura/aura_export.h"
namespace aura {
class WindowTreeClient;
class AURA_EXPORT WindowTreeClientObserver {
public:
// Called early on in the destructor of WindowTreeClient.
virtual void OnWillDestroyClient(WindowTreeClient* client) {}
protected:
virtual ~WindowTreeClientObserver() {}
};
} // namespace aura
#endif // UI_AURA_MUS_WINDOW_TREE_CLIENT_OBSERVER_H_