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      1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef CHROME_BROWSER_FIRST_RUN_UPGRADE_UTIL_H_
      6 #define CHROME_BROWSER_FIRST_RUN_UPGRADE_UTIL_H_
      7 
      8 #include "build/build_config.h"
      9 
     10 #if defined(OS_WIN)
     11 #include <string>
     12 #endif
     13 
     14 #if !defined(OS_CHROMEOS)
     15 
     16 class CommandLine;
     17 
     18 namespace upgrade_util {
     19 
     20 // Launches Chrome again simulating a "user" launch. If Chrome could not be
     21 // launched, returns false.
     22 bool RelaunchChromeBrowser(const CommandLine& command_line);
     23 
     24 #if defined(OS_WIN)
     25 
     26 extern const char kRelaunchModeMetro[];
     27 extern const char kRelaunchModeDesktop[];
     28 extern const char kRelaunchModeDefault[];
     29 
     30 enum RelaunchMode {
     31   RELAUNCH_MODE_METRO = 0,
     32   RELAUNCH_MODE_DESKTOP = 1,
     33   // Default mode indicates caller is not sure which mode to launch.
     34   RELAUNCH_MODE_DEFAULT = 2,
     35 };
     36 
     37 std::string RelaunchModeEnumToString(const RelaunchMode& relaunch_mode);
     38 
     39 RelaunchMode RelaunchModeStringToEnum(const std::string& relaunch_mode);
     40 
     41 // Like RelaunchChromeBrowser() but for Windows 8 it will read pref and restart
     42 // chrome accordingly in desktop or metro mode.
     43 bool RelaunchChromeWithMode(const CommandLine& command_line,
     44                             const RelaunchMode& relaunch_mode);
     45 
     46 #endif
     47 
     48 #if !defined(OS_MACOSX)
     49 
     50 void SetNewCommandLine(CommandLine* new_command_line);
     51 
     52 // Launches a new instance of the browser if the current instance in persistent
     53 // mode an upgrade is detected.
     54 void RelaunchChromeBrowserWithNewCommandLineIfNeeded();
     55 
     56 // Windows:
     57 //  Checks if chrome_new.exe is present in the current instance's install.
     58 // Linux:
     59 //  Checks if the last modified time of chrome is newer than that of the current
     60 //  running instance.
     61 bool IsUpdatePendingRestart();
     62 
     63 #endif  // !defined(OS_MACOSX)
     64 
     65 }  // namespace upgrade_util
     66 
     67 #endif  // !defined(OS_CHROMEOS)
     68 
     69 #endif  // CHROME_BROWSER_FIRST_RUN_UPGRADE_UTIL_H_
     70