Shuffles around immersive related classes

ash/common/wm/immersive/wm_immersive_fullscreen_controller.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 ASH_COMMON_WM_IMMERSIVE_WM_IMMERSIVE_FULLSCREEN_CONTROLLER_H_
-#define ASH_COMMON_WM_IMMERSIVE_WM_IMMERSIVE_FULLSCREEN_CONTROLLER_H_
-
-#include "ash/ash_export.h"
-
-namespace views {
-class View;
-class Widget;
-}
-
-namespace ash {
-
-class WmImmersiveFullscreenControllerDelegate;
-
-// Controller for immersive mode. See ImmersiveFullscreenController for details.
-class ASH_EXPORT WmImmersiveFullscreenController {
- public:
-  // The enum is used for an enumerated histogram. New items should be only
-  // added to the end.
-  enum WindowType {
-    WINDOW_TYPE_OTHER,
-    WINDOW_TYPE_BROWSER,
-    WINDOW_TYPE_HOSTED_APP,
-    WINDOW_TYPE_PACKAGED_APP,
-    WINDOW_TYPE_COUNT
-  };
-
-  virtual ~WmImmersiveFullscreenController() {}
-
-  // Initializes the controller. Must be called prior to enabling immersive
-  // fullscreen via SetEnabled(). |top_container| is used to keep the
-  // top-of-window views revealed when a child of |top_container| has focus.
-  // |top_container| does not affect which mouse and touch events keep the
-  // top-of-window views revealed. |widget| is the widget to make fullscreen.
-  virtual void Init(WmImmersiveFullscreenControllerDelegate* delegate,
-                    views::Widget* widget,
-                    views::View* top_container) = 0;
-
-  // Enables or disables immersive fullscreen.
-  // |window_type| is the type of window which is put in immersive fullscreen.
-  // It is only used for histogramming.
-  virtual void SetEnabled(WindowType window_type, bool enable) = 0;
-
-  // Returns true if in immersive fullscreen.
-  virtual bool IsEnabled() const = 0;
-
-  // Returns true if in immersive fullscreen and the top-of-window views are
-  // fully or partially visible.
-  virtual bool IsRevealed() const = 0;
-};
-
-}  // namespace ash
-
-#endif  // ASH_COMMON_WM_IMMERSIVE_WM_IMMERSIVE_FULLSCREEN_CONTROLLER_H_