Revert "chromeos: Move files in //ash/common to //ash, part 2"

ash/accelerators/ash_focus_manager_factory.h

-// Copyright (c) 2012 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_ACCELERATORS_ASH_FOCUS_MANAGER_FACTORY_H_
-#define ASH_ACCELERATORS_ASH_FOCUS_MANAGER_FACTORY_H_
-
-#include "base/macros.h"
-#include "ui/views/focus/focus_manager_delegate.h"
-#include "ui/views/focus/focus_manager_factory.h"
-
-namespace ash {
-
-// A factory class for creating a custom views::FocusManager object which
-// supports Ash shortcuts.
-class AshFocusManagerFactory : public views::FocusManagerFactory {
- public:
-  AshFocusManagerFactory();
-  ~AshFocusManagerFactory() override;
-
- protected:
-  // views::FocusManagerFactory overrides:
-  views::FocusManager* CreateFocusManager(views::Widget* widget,
-                                          bool desktop_widget) override;
-
- private:
-  class Delegate : public views::FocusManagerDelegate {
-   public:
-    // views::FocusManagerDelegate overrides:
-    bool ProcessAccelerator(const ui::Accelerator& accelerator) override;
-  };
-
-  DISALLOW_COPY_AND_ASSIGN(AshFocusManagerFactory);
-};
-
-}  // namespace ash
-
-#endif  // ASH_ACCELERATORS_ASH_FOCUS_MANAGER_FACTORY_H_