Support 32-bit subversion fields in base::Version.

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 651 matching lines @@
                                          true);
     // TODO(wfh): Ensure that this value is preserved in the 64-bit hive when
     // 64-bit installs place the uninstall information into the 64-bit registry.
     install_list->AddSetRegValueWorkItem(reg_root,
                                          uninstall_reg,
                                          KEY_WOW64_32KEY,
                                          L"InstallDate",
                                          InstallUtil::GetCurrentDate(),
                                          false);
 
-    const std::vector<uint16>& version_components = new_version.components();
+    const std::vector<uint32>& version_components = new_version.components();
     if (version_components.size() == 4) {
       // Our version should be in major.minor.build.rev.
       install_list->AddSetRegValueWorkItem(
           reg_root,
           uninstall_reg,
           KEY_WOW64_32KEY,
           L"VersionMajor",
           static_cast<DWORD>(version_components[2]),
           true);
       install_list->AddSetRegValueWorkItem(
@@ skipping 878 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