Move chromeos code to namespace chromeos.

chrome/browser/chromeos/status_area_button.cc

 // Copyright (c) 2009 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.
 
 #include "chrome/browser/chromeos/status_area_button.h"
 
 #include "app/gfx/canvas.h"
 #include "app/gfx/skbitmap_operations.h"
 #include "app/resource_bundle.h"
 #include "grit/theme_resources.h"
 #include "views/border.h"
 #include "views/view.h"
 
+namespace chromeos {
+
 ////////////////////////////////////////////////////////////////////////////////
 // StatusAreaButton
 
 StatusAreaButton::StatusAreaButton(views::ViewMenuDelegate* menu_delegate)
     : MenuButton(NULL, std::wstring(), menu_delegate, false) {
   set_border(NULL);
   SetShowHighlighted(true);
 }
 
 void StatusAreaButton::Paint(gfx::Canvas* canvas, bool for_drag) {
@@ skipping 15 matching lines @@
   }
   SkBitmap* container =
       ResourceBundle::GetSharedInstance().GetBitmapNamed(bitmap_id);
   canvas->DrawBitmapInt(*container, 0, 0);
   DrawIcon(canvas);
 }
 
 void StatusAreaButton::DrawIcon(gfx::Canvas* canvas) {
   canvas->DrawBitmapInt(icon(), 0, 0);
 }
+
+}  // namespace chromeos