Delete athena/

athena/system/public/system_ui.h

-// Copyright 2014 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 ATHENA_SYSTEM_PUBLIC_SYSTEM_UI_H_
-#define ATHENA_SYSTEM_PUBLIC_SYSTEM_UI_H_
-
-#include "athena/athena_export.h"
-#include "base/memory/ref_counted.h"
-
-namespace base {
-class TaskRunner;
-}
-
-namespace gfx {
-class ImageSkia;
-}
-
-namespace views {
-class View;
-}
-
-namespace athena {
-
-class ATHENA_EXPORT SystemUI {
- public:
-  enum ColorScheme {
-    COLOR_SCHEME_LIGHT,
-    COLOR_SCHEME_DARK
-  };
-
-  // Creates and deletes the singleton object of the SystemUI implementation.
-  static SystemUI* Create(scoped_refptr<base::TaskRunner> io_task_runner);
-  static SystemUI* Get();
-  static void Shutdown();
-
-  virtual ~SystemUI() {}
-
-  // Sets the background image.
-  virtual void SetBackgroundImage(const gfx::ImageSkia& image) = 0;
-};
-
-}  // namespace athena
-
-#endif  // ATHENA_SYSTEM_PUBLIC_SYSTEM_UI_H_