[uber page] Remove extensions sub-page from options2.

chrome/browser/ui/webui/options2/pack_extension_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_OPTIONS2_PACK_EXTENSION_HANDLER_H_
-#define CHROME_BROWSER_UI_WEBUI_OPTIONS2_PACK_EXTENSION_HANDLER_H_
-#pragma once
-
-#include <string>
-
-#include "chrome/browser/browsing_data_remover.h"
-#include "chrome/browser/extensions/pack_extension_job.h"
-#include "chrome/browser/plugin_data_remover_helper.h"
-#include "chrome/browser/ui/webui/options2/options_ui2.h"
-
-// Clear browser data handler page UI handler.
-class PackExtensionHandler : public OptionsPage2UIHandler,
-                             public PackExtensionJob::Client {
- public:
-  PackExtensionHandler();
-  virtual ~PackExtensionHandler();
-
-  // OptionsPage2UIHandler implementation.
-  virtual void Initialize() OVERRIDE;
-  virtual void GetLocalizedValues(DictionaryValue* localized_strings) OVERRIDE;
-
-  // WebUIMessageHandler implementation.
-  virtual void RegisterMessages() OVERRIDE;
-
-  // ExtensionPackJob::Client
-  virtual void OnPackSuccess(const FilePath& crx_file,
-                             const FilePath& key_file) OVERRIDE;
-
-  virtual void OnPackFailure(const std::string& error) OVERRIDE;
-
- private:
-  // Javascript callback to start packing an extension.
-  void HandlePackMessage(const ListValue* args);
-
-  // A function to ask the webpage to show an alert.
-  void ShowAlert(const std::string& message);
-
-  // Used to package the extension.
-  scoped_refptr<PackExtensionJob> pack_job_;
-
-  DISALLOW_COPY_AND_ASSIGN(PackExtensionHandler);
-};
-
-#endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS2_PACK_EXTENSION_HANDLER_H_