Revert 239280 "Move more file_util functions to base namespace."

trunk/src/chrome/browser/chromeos/settings/owner_key_util.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/browser/chromeos/settings/owner_key_util.h"
 
 #include <limits>
 
 #include "base/file_util.h"
 #include "base/logging.h"
@@ skipping 40 matching lines @@
   int32 safe_file_size = static_cast<int32>(file_size);
 
   output->resize(safe_file_size);
 
   if (safe_file_size == 0) {
     LOG(WARNING) << "Public key file is empty. This seems wrong.";
     return false;
   }
 
   // Get the key data off of disk
-  int data_read = base::ReadFile(
+  int data_read = file_util::ReadFile(
       key_file_,
       reinterpret_cast<char*>(vector_as_array(output)),
       safe_file_size);
   return data_read == safe_file_size;
 }
 
 crypto::RSAPrivateKey* OwnerKeyUtilImpl::FindPrivateKey(
     const std::vector<uint8>& key) {
   return crypto::RSAPrivateKey::FindFromPublicKeyInfo(key);
 }
 
 bool OwnerKeyUtilImpl::IsPublicKeyPresent() {
   return base::PathExists(key_file_);
 }
 
 }  // namespace chromeos