Make use of the new UpdateActiveSetupVersionWorkItem.

chrome/installer/setup/install_worker.cc

 // 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.
 //
 // This file contains the definitions of the installer functions that build
 // the WorkItemList used to install the application.
 
 #include "chrome/installer/setup/install_worker.h"
 
 #include <oaidl.h>
@@ skipping 40 matching lines @@
 #include "chrome/installer/util/util_constants.h"
 #include "chrome/installer/util/work_item_list.h"
 
 using base::ASCIIToUTF16;
 using base::win::RegKey;
 
 namespace installer {
 
 namespace {
 
-// The version identifying the work done by setup.exe --configure-user-settings
-// on user login by way of Active Setup.  Increase this value if the work done
-// in setup_main.cc's handling of kConfigureUserSettings changes and should be
-// executed again for all users.
-const wchar_t kActiveSetupVersion[] = L"43,0,0,0";
-
 // Although the UUID of the ChromeFrame class is used for the "current" value,
 // this is done only as a convenience; there is no need for the GUID of the Low
 // Rights policies to match the ChromeFrame class's GUID.  Hence, it is safe to
 // use this completely unrelated GUID for the "old" policies.
 const wchar_t kIELowRightsPolicyOldGuid[] =
     L"{6C288DD7-76FB-4721-B628-56FAC252E199}";
 
 const wchar_t kElevationPolicyKeyPath[] =
     L"SOFTWARE\\Microsoft\\Internet Explorer\\Low Rights\\ElevationPolicy\\";
 
@@ skipping 1374 matching lines @@
                                dist->GetDisplayName(),
                                true);
 
   list->AddSetRegValueWorkItem(root,
                                active_setup_path,
                                WorkItem::kWow64Default,
                                L"IsInstalled",
                                static_cast<DWORD>(1U),
                                true);
 
-  list->AddSetRegValueWorkItem(root,
-                               active_setup_path,
-                               WorkItem::kWow64Default,
-                               L"Version",
-                               kActiveSetupVersion,
-                               true);
+  list->AddWorkItem(new UpdateActiveSetupVersionWorkItem(
+      active_setup_path, UpdateActiveSetupVersionWorkItem::UPDATE));
 }
 
 void AddDeleteOldIELowRightsPolicyWorkItems(
     const InstallerState& installer_state,
     WorkItemList* install_list) {
   DCHECK(install_list);
 
   base::string16 key_path;
   GetOldIELowRightsElevationPolicyKeyPath(&key_path);
   install_list->AddDeleteRegKeyWorkItem(
@@ skipping 84 matching lines @@
   // Unconditionally remove the legacy Quick Enable command from the binaries.
   // Do this even if multi-install Chrome isn't installed to ensure that it is
   // not left behind in any case.
   work_item_list->AddDeleteRegKeyWorkItem(
                       installer_state.root_key(), cmd_key, KEY_WOW64_32KEY)
       ->set_log_message("removing " + base::UTF16ToASCII(kCmdQuickEnableCf) +
                         " command");
 }
 
 }  // namespace installer