get rid of old options pages

chrome/common/url_constants.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.
 
 // Contains constants for known URLs and portions thereof.
 
 #ifndef CHROME_COMMON_URL_CONSTANTS_H_
 #define CHROME_COMMON_URL_CONSTANTS_H_
 #pragma once
 
@@ skipping 235 matching lines @@
 extern const char kInstantConfirmPage[];
 extern const char kLanguageOptionsSubPage[];
 extern const char kManageProfileSubPage[];
 extern const char kPasswordManagerSubPage[];
 extern const char kPersonalOptionsSubPage[];
 extern const char kSearchEnginesSubPage[];
 extern const char kSyncSetupForceLoginSubPage[];
 extern const char kSyncSetupSubPage[];
 #if defined(OS_CHROMEOS)
 extern const char kInternetOptionsSubPage[];
-extern const char kSystemOptionsSubPage[];
 extern const char kBluetoothAddDeviceSubPage[];
 #endif
 
 extern const char kSyncGoogleDashboardURL[];
 
 extern const char kPasswordManagerLearnMoreURL[];
 
 // General help link for Chrome.
 extern const char kChromeHelpURL[];
 
@@ skipping 81 matching lines @@
 void RegisterChromeSchemes();
 
 #if defined(OS_CHROMEOS)
 // "Learn more" URL for the Cloud Print section under Options.
 extern const char kCloudPrintLearnMoreURL[];
 #endif
 
 }  // namespace chrome
 
 #endif  // CHROME_COMMON_URL_CONSTANTS_H_