mash: Move tray accessibility and keyboard to //ash/common

ash/system/tray/tray_details_view.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_SYSTEM_TRAY_TRAY_DETAILS_VIEW_H_
-#define ASH_SYSTEM_TRAY_TRAY_DETAILS_VIEW_H_
-
-#include "ash/ash_export.h"
-#include "ash/common/system/tray/special_popup_row.h"
-#include "base/macros.h"
-#include "ui/views/view.h"
-
-namespace views {
-class ScrollView;
-}
-
-namespace ash {
-class FixedSizedScrollView;
-class ScrollBorder;
-class SystemTrayItem;
-class ViewClickListener;
-
-class ASH_EXPORT TrayDetailsView : public views::View {
- public:
-  explicit TrayDetailsView(SystemTrayItem* owner);
-  ~TrayDetailsView() override;
-
-  // Creates a row with special highlighting etc. This is typically the
-  // bottom-most row in the popup.
-  void CreateSpecialRow(int string_id, ViewClickListener* listener);
-
-  // Creates a scrollable list. The list has a border at the bottom if there is
-  // any other view between the list and the footer row at the bottom.
-  void CreateScrollableList();
-
-  // Adds a separator in scrollable list.
-  void AddScrollSeparator();
-
-  // Removes (and destroys) all child views.
-  void Reset();
-
-  // Transition to default view from details view. If |footer_| has focus before
-  // transition, the default view should focus on the owner of this details
-  // view.
-  void TransitionToDefaultView();
-
-  SystemTrayItem* owner() const { return owner_; }
-  SpecialPopupRow* footer() const { return footer_; }
-  FixedSizedScrollView* scroller() const { return scroller_; }
-  views::View* scroll_content() const { return scroll_content_; }
-
- protected:
-  // Overridden from views::View.
-  void Layout() override;
-  void OnPaintBorder(gfx::Canvas* canvas) override;
-
- private:
-  SystemTrayItem* owner_;
-  SpecialPopupRow* footer_;
-  FixedSizedScrollView* scroller_;
-  views::View* scroll_content_;
-  ScrollBorder* scroll_border_;  // Weak reference
-
-  DISALLOW_COPY_AND_ASSIGN(TrayDetailsView);
-};
-
-}  // namespace ash
-
-#endif  // ASH_SYSTEM_TRAY_TRAY_DETAILS_VIEW_H_