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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 #include "chrome/browser/first_run/upgrade_util.h"
      6 
      7 #include "base/base_paths.h"
      8 #include "base/command_line.h"
      9 #include "base/file_path.h"
     10 #include "base/file_util.h"
     11 #include "base/logging.h"
     12 #include "base/path_service.h"
     13 #include "base/platform_file.h"
     14 #include "base/process_util.h"
     15 #include "chrome/browser/first_run/upgrade_util_linux.h"
     16 
     17 namespace {
     18 
     19 double saved_last_modified_time_of_exe = 0;
     20 
     21 }  // namespace
     22 
     23 namespace upgrade_util {
     24 
     25 bool RelaunchChromeBrowser(const CommandLine& command_line) {
     26   return base::LaunchApp(command_line, false, false, NULL);
     27 }
     28 
     29 bool IsUpdatePendingRestart() {
     30   return saved_last_modified_time_of_exe != GetLastModifiedTimeOfExe();
     31 }
     32 
     33 void SaveLastModifiedTimeOfExe() {
     34   saved_last_modified_time_of_exe = GetLastModifiedTimeOfExe();
     35 }
     36 
     37 double GetLastModifiedTimeOfExe() {
     38   FilePath exe_file_path;
     39   if (!PathService::Get(base::FILE_EXE, &exe_file_path)) {
     40     LOG(WARNING) << "Failed to get FilePath object for FILE_EXE.";
     41     return saved_last_modified_time_of_exe;
     42   }
     43   base::PlatformFileInfo exe_file_info;
     44   if (!file_util::GetFileInfo(exe_file_path, &exe_file_info)) {
     45     LOG(WARNING) << "Failed to get FileInfo object for FILE_EXE - "
     46                  << exe_file_path.value();
     47     return saved_last_modified_time_of_exe;
     48   }
     49   return exe_file_info.last_modified.ToDoubleT();
     50 }
     51 
     52 }  // namespace upgrade_util
     53