Move PathExists to base namespace.

chrome/test/mini_installer_test/run_all_unittests.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.
 
 #include "base/command_line.h"
 #include "base/file_util.h"
 #include "base/process_util.h"
 #include "base/test/test_suite.h"
 #include "base/win/windows_version.h"
 #include "chrome/common/chrome_switches.h"
@@ skipping 11 matching lines @@
   base::FilePath path;
   installer_test::GetChromeInstallDirectory(false /* system_level */, &path);
   path = path.Append(mini_installer_constants::kChromeAppDir).DirName();
   base::FilePath backup_path = path;
   // Will hold User Data path that needs to be backed-up.
   path = path.Append(mini_installer_constants::kChromeUserDataDir);
   // Will hold new backup path to save the profile.
   backup_path = backup_path.Append(
       mini_installer_constants::kChromeUserDataBackupDir);
   // Will check if User Data profile is available.
-  if (file_util::PathExists(path)) {
+  if (base::PathExists(path)) {
     // Will check if User Data is already backed up.
     // If yes, will delete and create new one.
-    if (file_util::PathExists(backup_path))
+    if (base::PathExists(backup_path))
       base::Delete(backup_path, true);
     base::CopyDirectory(path, backup_path, true);
   } else {
     printf("Chrome is not installed. Will not take any backup\n");
   }
 }
 
 int main(int argc, char** argv) {
   // Check command line to decide if the tests should continue
   // with cleaning the system or make a backup before continuing.
@@ skipping 21 matching lines @@
         installer::switches::kChromeFrame));
   }
 
   if (base::win::GetVersion() < base::win::VERSION_VISTA ||
       command_line.HasSwitch(switches::kInstallerTestForce)) {
     return test_suite.Run();
   }
   printf("These tests don't run on this platform.\n");
   return 0;
 }