ash: Some code-cleanup in the system-tray code.

ash/status_area/status_area_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_STATUS_AREA_STATUS_AREA_VIEW_H_
-#define ASH_STATUS_AREA_STATUS_AREA_VIEW_H_
-#pragma once
-
-#include "ash/ash_export.h"
-#include "third_party/skia/include/core/SkBitmap.h"
-#include "ui/views/accessible_pane_view.h"
-#include "ui/views/widget/widget_delegate.h"
-
-namespace ash {
-namespace internal {
-
-class FocusCycler;
-
-class ASH_EXPORT StatusAreaView : public views::WidgetDelegate,
-                                  public views::AccessiblePaneView {
- public:
-  StatusAreaView();
-  virtual ~StatusAreaView();
-
-  // Sets the focus cycler.
-  void SetFocusCyclerForTesting(const FocusCycler* focus_cycler);
-
-  // Overridden from views::AccessiblePaneView.
-  virtual View* GetDefaultFocusableChild() OVERRIDE;
-
-  // Overridden from views::View:
-  virtual bool AcceleratorPressed(const ui::Accelerator& accelerator) OVERRIDE;
-  virtual views::Widget* GetWidget() OVERRIDE;
-  virtual const views::Widget* GetWidget() const OVERRIDE;
-
-  // views::WidgetDelegate overrides:
-  virtual bool CanActivate() const OVERRIDE;
-  virtual void DeleteDelegate() OVERRIDE;
-
- private:
-  const FocusCycler* focus_cycler_for_testing_;
-
-  DISALLOW_COPY_AND_ASSIGN(StatusAreaView);
-};
-
-}  // namespace internal
-}  // namespace ash
-
-#endif  // ASH_STATUS_AREA_STATUS_AREA_VIEW_H_