Move some more file utils to the base namespace.

chrome/installer/setup/setup_main.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 "chrome/installer/setup/setup_main.h"
 
 #include <windows.h>
 #include <msi.h>
 #include <shellapi.h>
 #include <shlobj.h>
@@ skipping 1321 matching lines @@
 // Initialize crash reporting for this process. This involves connecting to
 // breakpad, etc.
 google_breakpad::ExceptionHandler* InitializeCrashReporting(
     bool system_install) {
   // Only report crashes if the user allows it.
   if (!GoogleUpdateSettings::GetCollectStatsConsent())
     return NULL;
 
   // Get the alternate dump directory. We use the temp path.
   base::FilePath temp_directory;
-  if (!file_util::GetTempDir(&temp_directory) || temp_directory.empty())
+  if (!base::GetTempDir(&temp_directory) || temp_directory.empty())
     return NULL;
 
   wchar_t exe_path[MAX_PATH * 2] = {0};
   GetModuleFileName(NULL, exe_path, arraysize(exe_path));
 
   // Build the pipe name. It can be either:
   // System-wide install: "NamedPipe\GoogleCrashServices\S-1-5-18"
   // Per-user install: "NamedPipe\GoogleCrashServices\<user SID>"
   string16 user_sid = kSystemPrincipalSid;
 
@@ skipping 506 matching lines @@
     // Call the newly updated setup.exe with kUncompressedArchive and
     // kMigrateChromeFrame to perform the migration.
     LaunchChromeFrameMigrationProcess(*chrome_frame_state, cmd_line,
                                       installer_directory, system_install);
   }
 
   VLOG(1) << "Installation complete, returning: " << return_code;
 
   return return_code;
 }