Force COM machinery to notice that the path to the DelegateExecute verb handler has changed.

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 "chrome/installer/util/callback_work_item.h"
 #include "chrome/installer/util/conditional_work_item_list.h"
 #include "chrome/installer/util/copy_reg_key_work_item.h"
 #include "chrome/installer/util/copy_tree_work_item.h"
 #include "chrome/installer/util/create_dir_work_item.h"
 #include "chrome/installer/util/create_reg_key_work_item.h"
 #include "chrome/installer/util/delete_tree_work_item.h"
 #include "chrome/installer/util/delete_reg_key_work_item.h"
 #include "chrome/installer/util/delete_reg_value_work_item.h"
 #include "chrome/installer/util/move_tree_work_item.h"
 #include "chrome/installer/util/self_reg_work_item.h"
 #include "chrome/installer/util/set_reg_value_work_item.h"
 #include "chrome/installer/util/work_item_list.h"
 
 WorkItem::WorkItem() : ignore_failure_(false) {
 }
 
 WorkItem::~WorkItem() {
 }
 
+CallbackWorkItem* WorkItem::CreateCallbackWorkItem(
+    base::Callback<bool(const CallbackWorkItem&)> callback) {
+  return new CallbackWorkItem(callback);
+}
+
 CopyRegKeyWorkItem* WorkItem::CreateCopyRegKeyWorkItem(
     HKEY predefined_root,
     const std::wstring& source_key_path,
     const std::wstring& dest_key_path,
     CopyOverWriteOption overwrite_option) {
   return new CopyRegKeyWorkItem(predefined_root, source_key_path,
                                 dest_key_path, overwrite_option);
 }
 
 CopyTreeWorkItem* WorkItem::CreateCopyTreeWorkItem(
@@ skipping 86 matching lines @@
 }
 
 // static
 WorkItemList* WorkItem::CreateNoRollbackWorkItemList() {
   return new NoRollbackWorkItemList();
 }
 
 WorkItemList* WorkItem::CreateConditionalWorkItemList(Condition* condition) {
   return new ConditionalWorkItemList(condition);
 }