|  | // 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 CHROME_BROWSER_EXO_PARTS_H_ | 
|  | #define CHROME_BROWSER_EXO_PARTS_H_ | 
|  |  | 
|  | #include <memory> | 
|  |  | 
|  | #include "base/macros.h" | 
|  |  | 
|  | namespace ash { | 
|  | class ArcOverlayManager; | 
|  | } | 
|  |  | 
|  | namespace exo { | 
|  | class WaylandServerController; | 
|  | } | 
|  |  | 
|  | class ExoParts { | 
|  | public: | 
|  | // Creates ExoParts. Returns null if exo should not be created. | 
|  | static std::unique_ptr<ExoParts> CreateIfNecessary(); | 
|  |  | 
|  | ~ExoParts(); | 
|  |  | 
|  | private: | 
|  | ExoParts(); | 
|  |  | 
|  | std::unique_ptr<ash::ArcOverlayManager> arc_overlay_manager_; | 
|  | std::unique_ptr<exo::WaylandServerController> wayland_server_; | 
|  |  | 
|  | DISALLOW_COPY_AND_ASSIGN(ExoParts); | 
|  | }; | 
|  |  | 
|  | #endif  // CHROME_BROWSER_EXO_PARTS_H_ |