chrome/browser/first_run/upgrade_util_win.h

// Copyright (c) 2011 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.

#ifndef CHROME_BROWSER_FIRST_RUN_UPGRADE_UTIL_WIN_H_
#define CHROME_BROWSER_FIRST_RUN_UPGRADE_UTIL_WIN_H_

namespace base {
class CommandLine;
}

namespace upgrade_util {

// If the new_chrome.exe exists (placed by the installer then is swapped
// to chrome.exe and the old chrome is renamed to old_chrome.exe. If there
// is no new_chrome.exe or the swap fails the return is false;
bool SwapNewChromeExeIfPresent();

// Returns true if the currently running chrome.exe has been renamed to
// old_chrome.exe. This means that the running executable is out of date and
// has been renamed by the in-use update process. old_chrome.exe shouldn't
// continue on and run as the browser process since it may end up launching
// newer chrome.exes as child processes resulting in a version mismatch.
bool IsRunningOldChrome();

// Combines the two methods, RelaunchChromeBrowser and
// SwapNewChromeExeIfPresent, to perform the rename and relaunch of
// the browser. Note that relaunch does NOT exit the existing browser process.
// If this is called before message loop is executed, simply exit the main
// function. If browser is already running, you will need to exit it.
bool DoUpgradeTasks(const base::CommandLine& command_line);

}  // namespace upgrade_util

#endif  // CHROME_BROWSER_FIRST_RUN_UPGRADE_UTIL_WIN_H_