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

chrome/browser/enumerate_modules_model_win.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.
 
 #include "chrome/browser/enumerate_modules_model_win.h"
 
 #include <Tlhelp32.h>
 #include <wintrust.h>
 #include <algorithm>
 
@@ skipping 510 matching lines @@
     enumerated_modules_->push_back(entry);
   } while (::Module32Next(snap.Get(), &module));
 }
 
 void ModuleEnumerator::EnumerateShellExtensions() {
   ReadShellExtensions(HKEY_LOCAL_MACHINE);
   ReadShellExtensions(HKEY_CURRENT_USER);
 }
 
 void ModuleEnumerator::ReadShellExtensions(HKEY parent) {
-  base::win::RegistryValueIterator registration(parent, kRegPath);
+  base::win::RegistryValueIterator registration(parent, kRegPath, 0);
   while (registration.Valid()) {
     std::wstring key(std::wstring(L"CLSID\\") + registration.Name() +
         L"\\InProcServer32");
     base::win::RegKey clsid;
     if (clsid.Open(HKEY_CLASSES_ROOT, key.c_str(), KEY_READ) != ERROR_SUCCESS) {
       ++registration;
       continue;
     }
     base::string16 dll;
     if (clsid.ReadValue(L"", &dll) != ERROR_SUCCESS) {
@@ skipping 494 matching lines @@
   GenerateHash(base::WideToUTF8(module.location), &location);
   GenerateHash(base::WideToUTF8(module.description), &description);
   GenerateHash(base::WideToUTF8(module.digital_signer), &signer);
 
   base::string16 url =
       l10n_util::GetStringFUTF16(IDS_HELP_CENTER_VIEW_CONFLICTS,
           base::ASCIIToUTF16(filename), base::ASCIIToUTF16(location),
           base::ASCIIToUTF16(description), base::ASCIIToUTF16(signer));
   return GURL(base::UTF16ToUTF8(url));
 }