Move file_util::Delete to the base namespace

chrome/browser/importer/firefox_profile_lock_posix.cc

 // Copyright (c) 2009 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/browser/importer/firefox_profile_lock.h"
 
 #include <errno.h>
 #include <fcntl.h>
 #include <sys/stat.h>
 #include <sys/types.h>
@@ skipping 60 matching lines @@
     old_lock_file_ = lock_file_.DirName().Append(kOldLockFileName);
     lock_fd_ = open(old_lock_file_.value().c_str(), O_CREAT | O_EXCL, 0644);
   }
 }
 
 void FirefoxProfileLock::Unlock() {
   if (!HasAcquired())
     return;
   close(lock_fd_);
   lock_fd_ = -1;
-  file_util::Delete(old_lock_file_, false);
+  base::Delete(old_lock_file_, false);
 }
 
 bool FirefoxProfileLock::HasAcquired() {
   return (lock_fd_ >= 0);
 }
 
 // This function tries to lock Firefox profile using fcntl(). The return
 // value of this function together with HasAcquired() tells the current status
 // of lock.
 // if return == false: Another process has lock to the profile.
@@ skipping 23 matching lines @@
     lock_fd_ = -1;
     if (errno == EAGAIN || errno == EACCES)
       return false;
     else
       return true;
   } else {
     // We have the lock.
     return true;
   }
 }