Add best-effort/allow rollback flags on WorkItem.

chrome/installer/util/installer_state.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/installer/util/installer_state.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <functional>
@@ skipping 653 matching lines @@
     LOG(ERROR) << "Failed opening key " << state_key_
                << " to update app channels; result: " << result;
   }
 }
 
 void InstallerState::WriteInstallerResult(
     InstallStatus status,
     int string_resource_id,
     const std::wstring* const launch_cmd) const {
   // Use a no-rollback list since this is a best-effort deal.
-  std::unique_ptr<WorkItemList> install_list(
-      WorkItem::CreateNoRollbackWorkItemList());
+  std::unique_ptr<WorkItemList> install_list(WorkItem::CreateWorkItemList());
+  install_list->set_log_message("Write Installer Result");
+  install_list->set_best_effort(true);
+  install_list->set_rollback_enabled(false);
   const bool system_install = this->system_install();
   // Write the value for all products upon which we're operating.
   Products::const_iterator end = products().end();
   for (Products::const_iterator scan = products().begin(); scan != end;
        ++scan) {
     InstallUtil::AddInstallerResultItems(
         system_install, (*scan)->distribution()->GetStateKey(), status,
         string_resource_id, launch_cmd, install_list.get());
   }
   // And for the binaries if this is a multi-install.
   if (is_multi_install()) {
     InstallUtil::AddInstallerResultItems(
         system_install, multi_package_binaries_distribution()->GetStateKey(),
         status, string_resource_id, launch_cmd, install_list.get());
   }
-  if (!install_list->Do())
-    LOG(ERROR) << "Failed to record installer error information in registry.";
+  install_list->Do();
 }
 
 bool InstallerState::RequiresActiveSetup() const {
   return system_install() && FindProduct(BrowserDistribution::CHROME_BROWSER);
 }
 
 }  // namespace installer