Move small c/b/extensions classes into extensions namespace no.2

chrome/browser/extensions/extensions_startup.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.
-
-#ifndef CHROME_BROWSER_EXTENSIONS_EXTENSIONS_STARTUP_H_
-#define CHROME_BROWSER_EXTENSIONS_EXTENSIONS_STARTUP_H_
-
-#include "base/memory/ref_counted.h"
-#include "chrome/browser/extensions/pack_extension_job.h"
-
-class CommandLine;
-class Profile;
-
-// Initialization helpers for various Extension startup actions.
-class ExtensionsStartupUtil : public PackExtensionJob::Client {
- public:
-  ExtensionsStartupUtil();
-  virtual ~ExtensionsStartupUtil();
-
-  virtual void OnPackSuccess(const FilePath& crx_path,
-                             const FilePath& output_private_key_path) OVERRIDE;
-  virtual void OnPackFailure(
-      const std::string& error_message,
-      extensions::ExtensionCreator::ErrorType type) OVERRIDE;
-
-  // Handle --pack-extension flag from the |cmd_line| by packing the specified
-  // extension. Returns false if the pack job failed.
-  bool PackExtension(const CommandLine& cmd_line);
-
-  // Handle --uninstall-extension flag from the |cmd_line| by uninstalling the
-  // specified extension from |profile|. Returns false if the uninstall job
-  // could not be started.
-  bool UninstallExtension(const CommandLine& cmd_line, Profile* profile);
-
- private:
-  scoped_refptr<PackExtensionJob> pack_job_;
-  bool pack_job_succeeded_;
-
-  DISALLOW_COPY_AND_ASSIGN(ExtensionsStartupUtil);
-};
-
-#endif  // CHROME_BROWSER_EXTENSIONS_EXTENSIONS_STARTUP_H_