Revert 273108 "Omaha configuration parameters now use Wow6432Nod..."

chrome/installer/util/app_command.cc

Index: chrome/installer/util/app_command.cc
===================================================================
--- chrome/installer/util/app_command.cc	(revision 273136)
+++ chrome/installer/util/app_command.cc	(working copy)
@@ -70,14 +70,12 @@
 void AppCommand::AddWorkItems(HKEY predefined_root,
                               const base::string16& command_path,
                               WorkItemList* item_list) const {
-  // Command_path is derived from GetRegCommandKey which always returns
-  // value from GetVersionKey() which should be 32-bit hive.
   item_list->AddCreateRegKeyWorkItem(
-                 predefined_root, command_path, KEY_WOW64_32KEY)
+                 predefined_root, command_path, WorkItem::kWow64Default)
       ->set_log_message("creating AppCommand registry key");
   item_list->AddSetRegValueWorkItem(predefined_root,
                                     command_path,
-                                    KEY_WOW64_32KEY,
+                                    WorkItem::kWow64Default,
                                     google_update::kRegCommandLineField,
                                     command_line_,
                                     true)
@@ -92,13 +90,13 @@
     if (var_data) {
       item_list->AddSetRegValueWorkItem(predefined_root,
                                         command_path,
-                                        KEY_WOW64_32KEY,
+                                        WorkItem::kWow64Default,
                                         var_name,
                                         static_cast<DWORD>(1),
                                         true);
     } else {
       item_list->AddDeleteRegValueWorkItem(
-          predefined_root, command_path, KEY_WOW64_32KEY, var_name);
+          predefined_root, command_path, WorkItem::kWow64Default, var_name);
     }
   }
 }