Convert chrome://extensions to a settings page within the options pages.

chrome/browser/ui/webui/options/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_OPTIONS_PACK_EXTENSION_HANDLER_H_
+#define CHROME_BROWSER_UI_WEBUI_OPTIONS_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/options/options_ui.h"
+
+// Clear browser data handler page UI handler.
+class PackExtensionHandler : public OptionsPageUIHandler,
+                             public PackExtensionJob::Client {
+ public:
+  PackExtensionHandler();
+  virtual ~PackExtensionHandler();
+
+  // OptionsPageUIHandler 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_OPTIONS_PACK_EXTENSION_HANDLER_H_