Make use of the new UpdateActiveSetupVersionWorkItem.

chrome/installer/setup/install_worker.cc

Index: chrome/installer/setup/install_worker.cc
diff --git a/chrome/installer/setup/install_worker.cc b/chrome/installer/setup/install_worker.cc
index b09894c2ed8e30528e1a02a728a59d1bc2158ae4..d4a79dd1a0c4fee942c198053c7f1df782a6e6c7 100644
--- a/chrome/installer/setup/install_worker.cc
+++ b/chrome/installer/setup/install_worker.cc
@@ -58,12 +58,6 @@ 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
@@ -1458,12 +1452,8 @@ void AddActiveSetupWorkItems(const InstallerState& installer_state,
                                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(