Move PathIsWritable, DirectoryExists, ContentsEqual, and TextContentsEqual to the base namespace.

chrome/browser/google/google_update_settings_posix.cc

 // 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.
 
 #include "chrome/installer/util/google_update_settings.h"
 
 #include "base/file_util.h"
 #include "base/path_service.h"
 #include "base/strings/string_util.h"
 #include "chrome/common/chrome_paths.h"
@@ skipping 19 matching lines @@
   bool consented = file_util::ReadFileToString(consent_file, &tmp_guid);
   if (consented)
     google_update::posix_guid().assign(tmp_guid);
   return consented;
 }
 
 // static
 bool GoogleUpdateSettings::SetCollectStatsConsent(bool consented) {
   base::FilePath consent_dir;
   PathService::Get(chrome::DIR_USER_DATA, &consent_dir);
-  if (!file_util::DirectoryExists(consent_dir))
+  if (!base::DirectoryExists(consent_dir))
     return false;
 
   base::FilePath consent_file = consent_dir.AppendASCII(kConsentToSendStats);
   if (consented) {
     if ((!base::PathExists(consent_file)) ||
         (base::PathExists(consent_file) &&
          !google_update::posix_guid().empty())) {
       const char* c_str = google_update::posix_guid().c_str();
       int size = google_update::posix_guid().size();
       return file_util::WriteFile(consent_file, c_str, size) == size;
     }
   } else {
     google_update::posix_guid().clear();
     return base::Delete(consent_file, false);
   }
   return true;
 }
 
 bool GoogleUpdateSettings::SetMetricsId(const std::wstring& client_id) {
   // Make sure that user has consented to send crashes.
   base::FilePath consent_dir;
   PathService::Get(chrome::DIR_USER_DATA, &consent_dir);
-  if (!file_util::DirectoryExists(consent_dir) ||
+  if (!base::DirectoryExists(consent_dir) ||
       !GoogleUpdateSettings::GetCollectStatsConsent())
     return false;
 
   // Since user has consented, write the metrics id to the file.
   google_update::posix_guid() = WideToASCII(client_id);
   return GoogleUpdateSettings::SetCollectStatsConsent(true);
 }
 
 // GetLastRunTime and SetLastRunTime are not implemented for posix. Their
 // current return values signal failure which the caller is designed to
 // handle.
 
 // static
 int GoogleUpdateSettings::GetLastRunTime() {
   return -1;
 }
 
 // static
 bool GoogleUpdateSettings::SetLastRunTime() {
   return false;
 }