Refactoring the master_preferences functions....

chrome/installer/setup/install.h

 // Copyright (c) 2009 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 specification of setup main functions.
 
 #ifndef CHROME_INSTALLER_SETUP_INSTALL_H_
 #define CHROME_INSTALLER_SETUP_INSTALL_H_
 #pragma once
 
 #include <string>
 
+#include "chrome/installer/util/master_preferences.h"
 #include "chrome/installer/util/util_constants.h"
 #include "chrome/installer/util/version.h"
 
 class DictionaryValue;
 
 namespace installer {
 // Get path to the installer under Chrome version folder
 // (for example <path>\Google\Chrome\<Version>\installer)
 std::wstring GetInstallerPathUnderChrome(const std::wstring& install_path,
                                          const std::wstring& new_version);
@@ skipping 11 matching lines @@
 // prefs: master preferences. See chrome/installer/util/master_preferences.h.
 // new_version: new Chrome version that needs to be installed
 // installed_version: currently installed version of Chrome, if any, or
 //                    NULL otherwise
 //
 // Note: since caller unpacks Chrome to install_temp_path\source, the caller
 // is responsible for cleaning up install_temp_path.
 installer_util::InstallStatus InstallOrUpdateChrome(
     const std::wstring& exe_path, const std::wstring& archive_path,
     const std::wstring& install_temp_path, const std::wstring& prefs_path,
-    const DictionaryValue* prefs, const Version& new_version,
+    const installer_util::MasterPreferences& prefs, const Version& new_version,
     const Version* installed_version);
 }
 
 #endif  // CHROME_INSTALLER_SETUP_INSTALL_H_