Move chromeos code to namespace chromeos.

chrome/browser/chromeos/main_menu.h

 // 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_MAIN_MENU_H_
 #define CHROME_BROWSER_CHROMEOS_MAIN_MENU_H_
 
 #include <gtk/gtk.h>
 
 #include "base/scoped_ptr.h"
 #include "base/singleton.h"
 #include "base/task.h"
 #include "chrome/browser/renderer_host/render_view_host_delegate.h"
 #include "chrome/browser/tab_contents/render_view_host_delegate_helper.h"
 #include "chrome/browser/tab_contents/tab_contents_delegate.h"
 
 class Browser;
 class RenderWidgetHostViewGtk;
 class SiteInstance;
 
 namespace gfx {
 class Size;
 }
 namespace views {
 class WidgetGtk;
 }
 
+namespace chromeos {
+
 // MainMenu manages showing the main menu. The menu is currently an HTML page.
 // When the user clicks a link on the page a new tab is added to the current
 // browser and the menu is hidden.
 //
 // To show the menu invoke Show.
 //
 // MainMenu creates a RenderViewHost and corresponding RenderWidgetHostView
 // to display the html page. MainMenu acts as the RenderViewHostDelegate for
 // the RenderViewHost. Clicking on a link results in creating a new
 // TabContents (assigned to pending_contents_). One of two things can then
@@ skipping 156 matching lines @@
   scoped_ptr<TabContents> pending_contents_;
 
   ScopedRunnableMethodFactory<MainMenu> method_factory_;
 
   // True if the popup has ever been shown.
   bool has_shown_;
 
   DISALLOW_COPY_AND_ASSIGN(MainMenu);
 };
 
-#endif  // CHROME_BROWSER_CHROMEOS_CHROMEOS_VERSION_LOADER_H_
+}  // namespace chromeos
+
+#endif  // CHROME_BROWSER_CHROMEOS_MAIN_MENU_H_