mash: Migrate ash/system/user to ash/common.

ash/system/user/user_card_view.h

-// Copyright 2014 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_USER_USER_CARD_VIEW_H_
-#define ASH_SYSTEM_USER_USER_CARD_VIEW_H_
-
-#include "base/macros.h"
-#include "ui/views/view.h"
-
-namespace ash {
-
-enum class LoginStatus;
-
-namespace tray {
-
-// The view displaying information about the user, such as user's avatar, email
-// address, name, and more. View has no borders.
-class UserCardView : public views::View {
- public:
-  // |max_width| takes effect only if |login_status| is LOGGED_IN_PUBLIC.
-  UserCardView(LoginStatus login_status, int max_width, int user_index);
-  ~UserCardView() override;
-
-  // views::View overrides.
-  void GetAccessibleState(ui::AXViewState* state) override;
-
- private:
-  // Creates the content for the public mode.
-  void AddPublicModeUserContent(int max_width);
-
-  void AddUserContent(LoginStatus login_status, int user_index);
-
-  // Create a user icon representation.
-  views::View* CreateIcon(LoginStatus login_status, int user_index);
-
-  DISALLOW_COPY_AND_ASSIGN(UserCardView);
-};
-
-}  // namespace tray
-}  // namespace ash
-
-#endif  // ASH_SYSTEM_USER_USER_CARD_VIEW_H_