Refactor install.cc into the work item parts and the non-work item parts.

chrome/installer/setup/install.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.
 //
 // This file contains the specification of setup main functions.
 
 #ifndef CHROME_INSTALLER_SETUP_INSTALL_H_
 #define CHROME_INSTALLER_SETUP_INSTALL_H_
 #pragma once
 
@@ skipping 33 matching lines @@
 // Note: since caller unpacks Chrome to install_temp_path\source, the caller
 // is responsible for cleaning up install_temp_path.
 InstallStatus InstallOrUpdateProduct(
     const InstallationState& original_state,
     const InstallerState& installer_state,
     const FilePath& setup_path, const FilePath& archive_path,
     const FilePath& install_temp_path, const FilePath& prefs_path,
     const installer::MasterPreferences& prefs, const Version& new_version,
     const Package& package);
 
-// Appends registration or unregistration work items to |work_item_list| for the
-// COM DLLs whose file names are given in |dll_files| and which reside in the
-// path |dll_folder|.
-// |system_level| specifies whether to call the system or user level DLL
-// registration entry points.
-// |do_register| says whether to register or unregister.
-// |may_fail| states whether this is best effort or not. If |may_fail| is true
-// then |work_item_list| will still succeed if the registration fails and
-// no registration rollback will be performed.
-void AddRegisterComDllWorkItems(const FilePath& dll_folder,
-                                const std::vector<FilePath>& dll_files,
-                                bool system_level,
-                                bool do_register,
-                                bool ignore_failures,
-                                WorkItemList* work_item_list);
 
-void AddSetMsiMarkerWorkItem(const Product& product,
-                             bool set,
-                             WorkItemList* work_item_list);
-
-// This method adds work items to create (or update) Chrome uninstall entry in
-// either the Control Panel->Add/Remove Programs list or in the Omaha client
-// state key if running under an MSI installer.
-void AddUninstallShortcutWorkItems(const FilePath& setup_path,
-                                   const Version& new_version,
-                                   WorkItemList* install_list,
-                                   const Product& product);
-
-// Called for either installation or uninstallation. This method updates the
-// registry according to Chrome Frame specific options for the current
-// installation.  This includes handling of the ready-mode option.
-void AddChromeFrameWorkItems(bool install, const FilePath& setup_path,
-                             const Version& new_version, const Product& product,
-                             WorkItemList* list);
 
 }  // namespace installer
 
 #endif  // CHROME_INSTALLER_SETUP_INSTALL_H_