Options: Rename options2 namespace to options.

chrome/browser/ui/webui/options2/font_settings_utils.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_UI_WEBUI_OPTIONS2_FONT_SETTINGS_UTILS_H_
 #define CHROME_BROWSER_UI_WEBUI_OPTIONS2_FONT_SETTINGS_UTILS_H_
 
 #include "base/basictypes.h"
 
 class PrefService;
 
-namespace options2 {
+namespace options {
 
 // Chrome advanced options utility methods.
 class FontSettingsUtilities {
  public:
   static void ValidateSavedFonts(PrefService* prefs);
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(FontSettingsUtilities);
 };
 
-}  // namespace options2
+}  // namespace options
 
 #endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS2_FONT_SETTINGS_UTILS_H_