Shuffles around immersive related classes

ash/common/wm/immersive_revealed_lock.h

-// Copyright 2013 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_REVEALED_LOCK_H_
-#define ASH_COMMON_WM_IMMERSIVE_REVEALED_LOCK_H_
-
-#include "ash/ash_export.h"
-#include "base/macros.h"
-#include "base/memory/weak_ptr.h"
-
-namespace ash {
-
-// Class which keeps the top-of-window views revealed for the duration of its
-// lifetime. If acquiring the lock causes a reveal, the top-of-window views
-// will animate according to the |animate_reveal| parameter passed in the
-// constructor. See ImmersiveFullscreenController::GetRevealedLock() for more
-// details.
-class ASH_EXPORT ImmersiveRevealedLock {
- public:
-  class ASH_EXPORT Delegate {
-   public:
-    enum AnimateReveal { ANIMATE_REVEAL_YES, ANIMATE_REVEAL_NO };
-
-    virtual void LockRevealedState(AnimateReveal animate_reveal) = 0;
-    virtual void UnlockRevealedState() = 0;
-
-   protected:
-    virtual ~Delegate() {}
-  };
-
-  ImmersiveRevealedLock(const base::WeakPtr<Delegate>& delegate,
-                        Delegate::AnimateReveal animate_reveal);
-  ~ImmersiveRevealedLock();
-
- private:
-  base::WeakPtr<Delegate> delegate_;
-
-  DISALLOW_COPY_AND_ASSIGN(ImmersiveRevealedLock);
-};
-
-}  // namespace ash
-
-#endif  // ASH_COMMON_WM_IMMERSIVE_REVEALED_LOCK_H_