Remove the old chrome://extensions page, since the URL now redirects to the new Settings page.BUG...

chrome/browser/ui/webui/options/extension_settings_handler.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_WEBUI_OPTIONS_EXTENSION_SETTINGS_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_OPTIONS_EXTENSION_SETTINGS_HANDLER_H_
 #pragma once
 
 #include <string>
 #include <vector>
@@ skipping 36 matching lines @@
 };
 
 // Extension Settings UI handler.
 class ExtensionSettingsHandler : public OptionsPageUIHandler,
                                  public SelectFileDialog::Listener,
                                  public ExtensionUninstallDialog::Delegate {
  public:
   ExtensionSettingsHandler();
   virtual ~ExtensionSettingsHandler();
 
+  static void RegisterUserPrefs(PrefService* prefs);
+
   // Extension Detail JSON Struct for page. (static for ease of testing).
   // Note: service can be NULL in unit tests.
   static base::DictionaryValue* CreateExtensionDetailValue(
       ExtensionService* service,
       const Extension* extension,
       const std::vector<ExtensionPage>& pages,
       bool enabled,
       bool terminated);
 
   // ContentScript JSON Struct for page. (static for ease of testing).
@@ skipping 121 matching lines @@
   // We want to register for notifications only after we've responded at least
   // once to the page, otherwise we'd be calling javacsript functions on objects
   // that don't exist yet when notifications come in. This variable makes sure
   // we do so only once.
   bool registered_for_notifications_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionSettingsHandler);
 };
 
 #endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS_EXTENSION_SETTINGS_HANDLER_H_