Update widget size from StatusAreaView::Layout()

chrome/browser/chromeos/status/status_area_view.h

 // Copyright (c) 2011 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>
 
@@ skipping 24 matching lines @@
   void TakeFocus(bool reverse,
                  const ReturnFocusCallback& return_focus_cb);
 
   // Overridden from views::FocusChangeListener:
   virtual void OnDidChangeFocus(views::View* focused_before,
                                 views::View* focused_now) OVERRIDE;
 
   // views::View* overrides.
   virtual gfx::Size GetPreferredSize() OVERRIDE;
   virtual void Layout() OVERRIDE;
+  virtual void PreferredSizeChanged() OVERRIDE;
   virtual void ChildPreferredSizeChanged(views::View* child) OVERRIDE;
 
  private:
   StatusAreaButton::Delegate* delegate_;
 
   // True if focus needs to be returned via |return_focus_cb_| when it wraps.
   bool need_return_focus_;
   ReturnFocusCallback return_focus_cb_;
 
   std::list<StatusAreaButton*> buttons_;
 
   // Clears focus and calls |return_focus_cb_|.
   void ReturnFocus(bool reverse);
 
   DISALLOW_COPY_AND_ASSIGN(StatusAreaView);
 };
 
 #endif  // CHROME_BROWSER_CHROMEOS_STATUS_STATUS_AREA_VIEW_H_