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

chrome/installer/util/shell_util.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 functions that integrate Chrome in Windows shell. These
 // functions can be used by Chrome as well as Chrome installer. All of the
 // work is done by the local functions defined in anonymous namespace in
 // this class.
 
 #include "chrome/installer/util/shell_util.h"
@@ skipping 1635 matching lines @@
   base::string16 client_path;
   RegKey key;
   base::string16 name;
   base::string16 command;
 
   // HKCU has precedence over HKLM for these registrations: http://goo.gl/xjczJ.
   // Look in HKCU second to override any identical values found in HKLM.
   const HKEY roots[] = { HKEY_LOCAL_MACHINE, HKEY_CURRENT_USER };
   for (int i = 0; i < arraysize(roots); ++i) {
     const HKEY root = roots[i];
-    for (base::win::RegistryKeyIterator iter(root, base_key.c_str());
-         iter.Valid(); ++iter) {
+    for (base::win::RegistryKeyIterator iter(root, base_key.c_str(), 0);
+         iter.Valid();
+         ++iter) {
       client_path.assign(base_key).append(1, L'\\').append(iter.Name());
       // Read the browser's name (localized according to install language).
       if (key.Open(root, client_path.c_str(),
                    KEY_QUERY_VALUE) != ERROR_SUCCESS ||
           key.ReadValue(NULL, &name) != ERROR_SUCCESS ||
           name.empty() ||
           name.find(dist->GetBaseAppName()) != base::string16::npos) {
         continue;
       }
       // Read the browser's reinstall command.
@@ skipping 617 matching lines @@
     // are any left...).
     if (free_bits >= 8 && next_byte_index < size) {
       free_bits -= 8;
       bit_stream += bytes[next_byte_index++] << free_bits;
     }
   }
 
   DCHECK_EQ(ret.length(), encoded_length);
   return ret;
 }