Introduce a SetRegValueWorkItem overload that accepts a callback instead (...)

chrome/installer/util/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.
 
 #include "chrome/installer/util/work_item.h"
 
 #include <windows.h>
 
 #include "chrome/installer/util/callback_work_item.h"
 #include "chrome/installer/util/conditional_work_item_list.h"
@@ skipping 113 matching lines @@
     int64 value_data,
     bool overwrite) {
   return new SetRegValueWorkItem(predefined_root,
                                  key_path,
                                  wow64_access,
                                  value_name,
                                  value_data,
                                  overwrite);
 }
 
+SetRegValueWorkItem* WorkItem::CreateSetRegValueWorkItem(
+    HKEY predefined_root,
+    const std::wstring& key_path,
+    REGSAM wow64_access,
+    const std::wstring& value_name,
+    const GetValueFromExistingCallback& get_value_callback) {
+  return new SetRegValueWorkItem(predefined_root,
+                                 key_path,
+                                 wow64_access,
+                                 value_name,
+                                 get_value_callback);
+}
+
 SelfRegWorkItem* WorkItem::CreateSelfRegWorkItem(const std::wstring& dll_path,
                                                  bool do_register,
                                                  bool user_level_registration) {
   return new SelfRegWorkItem(dll_path, do_register, user_level_registration);
 }
 
 WorkItemList* WorkItem::CreateWorkItemList() {
   return new WorkItemList();
 }
 
 // static
 WorkItemList* WorkItem::CreateNoRollbackWorkItemList() {
   return new NoRollbackWorkItemList();
 }
 
 WorkItemList* WorkItem::CreateConditionalWorkItemList(Condition* condition) {
   return new ConditionalWorkItemList(condition);
 }