Ensuring Google Update at user-level is installed alongside App Host, for the quick-enable App Host…

chrome/installer/setup/install_worker.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.
 //
 // This file contains the definitions of the installer functions that build
 // the WorkItemList used to install the application.
 
 #include "chrome/installer/setup/install_worker.h"
 
 #include <oaidl.h>
@@ skipping 1529 matching lines @@
     const InstallerState& installer_state,
     const InstallationState& machine_state,
     const FilePath& setup_path,
     const Version& new_version,
     WorkItemList* work_item_list) {
   DCHECK(work_item_list);
 
   CommandLine cmd_line(CommandLine::NO_PROGRAM);
   cmd_line.AppendSwitch(switches::kMultiInstall);
   cmd_line.AppendSwitch(switches::kChromeAppHost);
+  cmd_line.AppendSwitch(switches::kEnsureGoogleUpdatePresent);
 
   // For system-level binaries there is no way to keep the command state in sync
   // with the installation/uninstallation of the Application Host (which is
   // always at user-level).
   // So we pass false for 'have_child_product' to cause this command to always
   // be installed if the Chrome Binaries are installed.
   AddGenericQuickEnableWorkItems(installer_state,
                                  machine_state,
                                  setup_path,
                                  new_version,
@@ skipping 33 matching lines @@
     // Log everything for now.
     cmd_line.AppendSwitch(installer::switches::kVerboseLogging);
 
     AppCommand cmd(cmd_line.GetCommandLineString());
     cmd.set_is_auto_run_on_os_upgrade(true);
     cmd.AddWorkItems(installer_state.root_key(), cmd_key, install_list);
   }
 }
 
 }  // namespace installer