Regkey functions return error code instead of bool

chrome/installer/util/work_item_list.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_list.h"
 
 #include "base/logging.h"
 #include "base/file_path.h"
 #include "chrome/installer/util/logging_installer.h"
 #include "chrome/installer/util/copy_tree_work_item.h"
@@ skipping 92 matching lines @@
 WorkItem* WorkItemList::AddDeleteRegKeyWorkItem(HKEY predefined_root,
                                                 const std::wstring& path) {
   WorkItem* item = WorkItem::CreateDeleteRegKeyWorkItem(predefined_root, path);
   AddWorkItem(item);
   return item;
 }
 
 WorkItem* WorkItemList::AddDeleteRegValueWorkItem(
     HKEY predefined_root,
     const std::wstring& key_path,
-    const std::wstring& value_name,
-    DWORD type) {
+    const std::wstring& value_name) {
   WorkItem* item = WorkItem::CreateDeleteRegValueWorkItem(predefined_root,
-                                                          key_path,
-                                                          value_name,
-                                                          type);
+                                                          key_path, value_name);
   AddWorkItem(item);
   return item;
 }
 
 WorkItem* WorkItemList::AddDeleteTreeWorkItem(
     const FilePath& root_path,
     const std::vector<FilePath>& key_paths) {
   WorkItem* item = WorkItem::CreateDeleteTreeWorkItem(root_path, key_paths);
   AddWorkItem(item);
   return item;
@@ skipping 86 matching lines @@
     VLOG(1) << "NoRollbackWorkItemList: list execution succeeded";
 
   status_ = LIST_EXECUTED;
   return result;
 }
 
 void NoRollbackWorkItemList::Rollback() {
   NOTREACHED() << "Can't rollback a NoRollbackWorkItemList";
 }