chromeos: Move files in //ash/common to //ash

ash/common/system/status_area_widget_delegate.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_COMMON_SYSTEM_STATUS_AREA_WIDGET_DELEGATE_H_
-#define ASH_COMMON_SYSTEM_STATUS_AREA_WIDGET_DELEGATE_H_
-
-#include "ash/ash_export.h"
-#include "ash/public/cpp/shelf_types.h"
-#include "base/macros.h"
-#include "ui/gfx/image/image_skia.h"
-#include "ui/views/accessible_pane_view.h"
-#include "ui/views/widget/widget_delegate.h"
-
-namespace ash {
-class FocusCycler;
-
-// The View for the status area widget.
-class ASH_EXPORT StatusAreaWidgetDelegate : public views::AccessiblePaneView,
-                                            public views::WidgetDelegate {
- public:
-  StatusAreaWidgetDelegate();
-  ~StatusAreaWidgetDelegate() override;
-
-  // Add a tray view to the widget (e.g. system tray, web notifications).
-  void AddTray(views::View* tray);
-
-  // Called whenever layout might change (e.g. alignment changed).
-  void UpdateLayout();
-
-  // Sets the focus cycler.
-  void SetFocusCyclerForTesting(const FocusCycler* focus_cycler);
-
-  void set_alignment(ShelfAlignment alignment) { alignment_ = alignment; }
-
-  // Overridden from views::AccessiblePaneView.
-  View* GetDefaultFocusableChild() override;
-
-  // Overridden from views::View:
-  views::Widget* GetWidget() override;
-  const views::Widget* GetWidget() const override;
-
-  // Overridden from ui::EventHandler:
-  void OnGestureEvent(ui::GestureEvent* event) override;
-
-  // views::WidgetDelegate overrides:
-  bool CanActivate() const override;
-  void DeleteDelegate() override;
-
- protected:
-  // Overridden from views::View:
-  void ChildPreferredSizeChanged(views::View* child) override;
-  void ChildVisibilityChanged(views::View* child) override;
-
- private:
-  void UpdateWidgetSize();
-
-  // Sets a border on |child|. If |extend_border_to_edge| is true, then an extra
-  // wide border is added to extend the view's hit region to the edge of the
-  // screen.
-  void SetBorderOnChild(views::View* child, bool extend_border_to_edge);
-
-  const FocusCycler* focus_cycler_for_testing_;
-
-  // TODO(jamescook): Get this from WmShelf.
-  ShelfAlignment alignment_;
-
-  DISALLOW_COPY_AND_ASSIGN(StatusAreaWidgetDelegate);
-};
-
-}  // namespace ash
-
-#endif  // ASH_COMMON_SYSTEM_STATUS_AREA_WIDGET_DELEGATE_H_