chromeos: Remove old status-area related code.

chrome/browser/chromeos/status/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 CHROME_BROWSER_CHROMEOS_STATUS_STATUS_AREA_VIEW_H_
-#define CHROME_BROWSER_CHROMEOS_STATUS_STATUS_AREA_VIEW_H_
-#pragma once
-
-#include <list>
-
-#include "base/basictypes.h"
-#include "base/callback.h"
-#include "chrome/browser/chromeos/status/status_area_button.h"
-#include "ui/views/accessible_pane_view.h"
-#include "ui/views/view.h"
-#include "ui/views/widget/widget.h"
-#include "ui/views/widget/widget_delegate.h"
-
-// This class is used to wrap the small informative widgets in the upper-right
-// of the window title bar. It is used on ChromeOS only.
-class StatusAreaView : public views::AccessiblePaneView,
-                       public views::Widget::Observer,
-                       public base::SupportsWeakPtr<StatusAreaView>,
-                       public views::WidgetDelegate {
- public:
-  enum ButtonBorder {
-    NO_BORDER,
-    HAS_BORDER
-  };
-
-  StatusAreaView();
-  virtual ~StatusAreaView();
-
-  void AddButton(StatusAreaButton* button, ButtonBorder border);
-  void RemoveButton(StatusAreaButton* button);
-
-  void MakeButtonsActive(bool active);
-  void UpdateButtonVisibility();
-
-  // Refresh the style used to paint all buttons' text.  Schedules repaint.
-  void UpdateButtonTextStyle();
-
-  // Takes focus and transfers it to the first (last if |reverse| is true).
-  // After focus has traversed through all elements, clears focus and calls
-  // |return_focus_cb(reverse)| from the message loop.
-  typedef base::Callback<void(bool)> ReturnFocusCallback;
-  void TakeFocus(bool reverse,
-                 const ReturnFocusCallback& return_focus_cb);
-
-  // views::View* overrides.
-  virtual gfx::Size GetPreferredSize() OVERRIDE;
-  virtual void Layout() OVERRIDE;
-  virtual void PreferredSizeChanged() OVERRIDE;
-  virtual void ChildPreferredSizeChanged(views::View* child) OVERRIDE;
-
-  // views::WidgetDelegate overrides:
-  virtual bool CanActivate() const OVERRIDE;
-  virtual void DeleteDelegate() OVERRIDE;
-  virtual views::Widget* GetWidget() OVERRIDE;
-  virtual const views::Widget* GetWidget() const OVERRIDE;
-
- private:
-  // Overridden from views::FocusChangeListener:
-  virtual void OnDidChangeFocus(views::View* focused_before,
-                                views::View* focused_now) OVERRIDE;
-
-  // Overriden from views::Widget::Observer:
-  virtual void OnWidgetActivationChanged(views::Widget* widget,
-                                         bool active) OVERRIDE;
-
-  // Overriden from views::AccessiblePaneView:
-  virtual bool AcceleratorPressed(const ui::Accelerator& accelerator)
-      OVERRIDE;
-
-  StatusAreaButton::Delegate* delegate_;
-
-  // True if focus needs to be returned via |return_focus_cb_| when it wraps.
-  bool need_return_focus_;
-  // True if focus return should be skipped for next focus change.
-  bool skip_next_focus_return_;
-  ReturnFocusCallback return_focus_cb_;
-
-  std::list<StatusAreaButton*> buttons_;
-
-  // Clears focus and calls |return_focus_cb_|.
-  void ReturnFocus(bool reverse);
-
-  // Clears focus (called when widget is deactivated).
-  void ClearFocus();
-
-  DISALLOW_COPY_AND_ASSIGN(StatusAreaView);
-};
-
-#endif  // CHROME_BROWSER_CHROMEOS_STATUS_STATUS_AREA_VIEW_H_