options: Get rid of OptionsPage enum as it's no longer used.

chrome/browser/ui/options/options_util.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_UI_OPTIONS_OPTIONS_UTIL_H_
 #define CHROME_BROWSER_UI_OPTIONS_OPTIONS_UTIL_H_
 #pragma once
 
 #include "base/basictypes.h"
 
-// An identifier for an Options Tab page. These are treated as indices into
-// the list of available tabs to be displayed. PAGE_DEFAULT means select the
-// last tab viewed when the Options window was opened, or PAGE_GENERAL if the
-// Options was never opened.
-enum OptionsPage {
-  OPTIONS_PAGE_DEFAULT = -1,
-#if defined(OS_CHROMEOS)
-  OPTIONS_PAGE_SYSTEM,
-  OPTIONS_PAGE_INTERNET,
-#endif
-  OPTIONS_PAGE_GENERAL,
-  OPTIONS_PAGE_CONTENT,
-  OPTIONS_PAGE_ADVANCED,
-  OPTIONS_PAGE_COUNT
-};
-
 class OptionsUtil {
  public:
   // Try to make the the crash stats consent and the metrics upload
   // permission match |enabled|, returns the actual enabled setting.
   static bool ResolveMetricsReportingEnabled(bool enabled);
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(OptionsUtil);
 };
 
 #endif  // CHROME_BROWSER_UI_OPTIONS_OPTIONS_UTIL_H_