Remove wow_helper.

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 313 matching lines @@
         WorkItem::ALWAYS);
   } else {
     install_list->AddCopyTreeWorkItem(
         src_path.Append(installer::kChromeExe).value(),
         target_path.Append(installer::kChromeExe).value(),
         temp_path.value(),
         WorkItem::NEW_NAME_IF_IN_USE,
         new_chrome_exe.value());
   }
 
-  // Extra executable for 64 bit systems.
-  // NOTE: We check for "not disabled" so that if the API call fails, we play it
-  // safe and copy the executable anyway.
-  // NOTE: the file wow_helper.exe is only needed for Vista and below.
-  if (base::win::OSInfo::GetInstance()->wow64_status() !=
-      base::win::OSInfo::WOW64_DISABLED &&
-      base::win::GetVersion() <= base::win::VERSION_VISTA) {
-    install_list->AddMoveTreeWorkItem(
-        src_path.Append(installer::kWowHelperExe).value(),
-        target_path.Append(installer::kWowHelperExe).value(),
-        temp_path.value(),
-        WorkItem::ALWAYS_MOVE);
-  }
-
   // Install kVisualElementsManifest if it is present in |src_path|. No need to
   // make this a conditional work item as if the file is not there now, it will
   // never be.
   if (base::PathExists(
           src_path.Append(installer::kVisualElementsManifest))) {
     install_list->AddMoveTreeWorkItem(
         src_path.Append(installer::kVisualElementsManifest).value(),
         target_path.Append(installer::kVisualElementsManifest).value(),
         temp_path.value(),
         WorkItem::ALWAYS_MOVE);
@@ skipping 1001 matching lines @@
   // Unconditionally remove the legacy Quick Enable command from the binaries.
   // Do this even if multi-install Chrome isn't installed to ensure that it is
   // not left behind in any case.
   work_item_list->AddDeleteRegKeyWorkItem(
                       installer_state.root_key(), cmd_key, KEY_WOW64_32KEY)
       ->set_log_message("removing " + base::UTF16ToASCII(kCmdQuickEnableCf) +
                         " command");
 }
 
 }  // namespace installer