Allow Registry Iterator functions to use a specified WOW64 mode when iterating.

chrome/installer/setup/uninstall.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 defines the methods useful for uninstalling Chrome.
 
 #include "chrome/installer/setup/uninstall.h"
 
 #include <windows.h>
 
@@ skipping 785 matching lines @@
   ScopedTokenPrivilege se_backup_name_privilege(SE_BACKUP_NAME);
   if (!se_restore_name_privilege.is_enabled() ||
       !se_backup_name_privilege.is_enabled()) {
     // This is not a critical failure as those privileges aren't required to
     // clean hives that are already loaded, but attempts to LoadRegKey() below
     // will fail.
     LOG(WARNING) << "Failed to enable privileges required to load registry "
                     "hives.";
   }
 
-  for (base::win::RegistryKeyIterator it(HKEY_LOCAL_MACHINE, kProfileList);
+  for (base::win::RegistryKeyIterator it(HKEY_LOCAL_MACHINE, kProfileList, 0);
        it.Valid(); ++it) {
     const wchar_t* profile_sid = it.Name();
 
     // First check if this user's registry hive needs to be loaded in
     // HKEY_USERS.
     base::win::RegKey user_reg_root_probe(
         HKEY_USERS, profile_sid, KEY_READ);
     bool loaded_hive = false;
     if (!user_reg_root_probe.Valid()) {
       VLOG(1) << "Attempting to load registry hive for " << profile_sid;
@@ skipping 114 matching lines @@
   reg_app_id.append(dist->GetBaseAppId() + browser_entry_suffix);
   InstallUtil::DeleteRegistryKey(root, reg_app_id, WorkItem::kWow64Default);
 
   // Delete all Start Menu Internet registrations that refer to this Chrome.
   {
     using base::win::RegistryKeyIterator;
     InstallUtil::ProgramCompare open_command_pred(chrome_exe);
     base::string16 client_name;
     base::string16 client_key;
     base::string16 open_key;
-    for (RegistryKeyIterator iter(root, ShellUtil::kRegStartMenuInternet);
-         iter.Valid(); ++iter) {
+    for (RegistryKeyIterator iter(root, ShellUtil::kRegStartMenuInternet, 0);
+         iter.Valid();
+         ++iter) {
       client_name.assign(iter.Name());
       client_key.assign(ShellUtil::kRegStartMenuInternet)
           .append(1, L'\\')
           .append(client_name);
       open_key.assign(client_key).append(ShellUtil::kRegShellOpen);
       if (InstallUtil::DeleteRegistryKeyIf(root, client_key, open_key,
               WorkItem::kWow64Default, NULL, open_command_pred)
                   != InstallUtil::NOT_FOUND) {
         // Delete the default value of SOFTWARE\Clients\StartMenuInternet if it
         // references this Chrome (i.e., if it was made the default browser).
@@ skipping 514 matching lines @@
     // If we need a reboot to continue, schedule the parent directories for
     // deletion unconditionally. If they are not empty, the session manager
     // will not delete them on reboot.
     ScheduleParentAndGrandparentForDeletion(target_path);
   } else if (DeleteChromeDirectoriesIfEmpty(target_path) == DELETE_FAILED) {
     *uninstall_status = UNINSTALL_FAILED;
   }
 }
 
 }  // namespace installer