mash: Move most files in //ash/system/tray to //ash/common/system/tray

ash/system/tray/special_popup_row.h

-// Copyright (c) 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_SYSTEM_TRAY_SPECIAL_POPUP_ROW_H_
-#define ASH_SYSTEM_TRAY_SPECIAL_POPUP_ROW_H_
-
-#include "ash/ash_export.h"
-#include "base/macros.h"
-#include "ui/gfx/geometry/size.h"
-#include "ui/views/view.h"
-
-namespace views {
-class Label;
-}
-
-namespace ash {
-class ThrobberView;
-class TrayItemView;
-class TrayPopupHeaderButton;
-class ViewClickListener;
-
-// The 'special' looking row in the uber-tray popups. This is usually the bottom
-// row in the popups, and has a fixed height.
-class ASH_EXPORT SpecialPopupRow : public views::View {
- public:
-  SpecialPopupRow();
-  ~SpecialPopupRow() override;
-
-  void SetTextLabel(int string_id, ViewClickListener* listener);
-  void SetContent(views::View* view);
-
-  void AddView(views::View* view, bool add_separator);
-  void AddButton(TrayPopupHeaderButton* button);
-
-  views::View* content() const { return content_; }
-
- private:
-  // Overridden from views::View.
-  gfx::Size GetPreferredSize() const override;
-  int GetHeightForWidth(int width) const override;
-  void Layout() override;
-
-  views::View* content_;
-  views::View* button_container_;
-
-  DISALLOW_COPY_AND_ASSIGN(SpecialPopupRow);
-};
-
-}  // namespace ash
-
-#endif  // ASH_SYSTEM_TRAY_SPECIAL_POPUP_ROW_H_