Add WOW64 support to the installer registry work items

chrome/installer/util/copy_reg_key_work_item.cc

 // Copyright (c) 2011 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.
 
 // Implementation of a work item that replaces the contents of one registry key
 // with that of another (i.e., the destination is erased prior to the copy).
 
 #include "chrome/installer/util/copy_reg_key_work_item.h"
 
 #include <shlwapi.h>
 
 #include "base/logging.h"
 #include "base/win/registry.h"
 
 using base::win::RegKey;
 
 CopyRegKeyWorkItem::~CopyRegKeyWorkItem() {
 }
 
 CopyRegKeyWorkItem::CopyRegKeyWorkItem(HKEY predefined_root,
                                        const std::wstring& source_key_path,
                                        const std::wstring& dest_key_path,
-                                       CopyOverWriteOption overwrite_option)
+                                       CopyOverWriteOption overwrite_option,
+                                       RegWow64ViewOption reg_wow64_option)
     : predefined_root_(predefined_root),
       source_key_path_(source_key_path),
       dest_key_path_(dest_key_path),
       overwrite_option_(overwrite_option),
+      reg_wow64_option_(reg_wow64_option),
       cleared_destination_(false) {
   DCHECK(predefined_root);
   // It's a safe bet that we don't want to copy or overwrite one of the root
   // trees.
   DCHECK(!source_key_path.empty());
   DCHECK(!dest_key_path.empty());
   DCHECK(overwrite_option == ALWAYS || overwrite_option == IF_NOT_PRESENT);
 }
 
 bool CopyRegKeyWorkItem::Do() {
@@ skipping 71 matching lines @@
       LOG(ERROR) << "Failed to delete key at " << dest_key_path_
                  << " in rollback, result: " << result;
     }
 
     // Restore the old contents.  The restoration takes on its default security
     // attributes; any custom attributes are lost.
     if (!backup_.WriteTo(predefined_root_, dest_key_path_.c_str()))
       LOG(ERROR) << "Failed to restore key in rollback.";
   }
 }