Move directory creation functions to base namespace.

net/disk_cache/simple/simple_index_file.cc

 // Copyright (c) 2013 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 "net/disk_cache/simple/simple_index_file.h"
 
 #include <vector>
 
 #include "base/file_util.h"
 #include "base/files/memory_mapped_file.h"
@@ skipping 185 matching lines @@
   // flush delay. This simple approach will be reconsidered if it does not allow
   // for maintaining freshness.
   base::PlatformFileInfo cache_dir_info;
   base::Time cache_dir_mtime;
   if (!simple_util::GetMTime(cache_directory, &cache_dir_mtime)) {
     LOG(ERROR) << "Could obtain information about cache age";
     return;
   }
   SerializeFinalData(cache_dir_mtime, pickle.get());
   if (!WritePickleFile(pickle.get(), temp_index_filename)) {
-    if (!file_util::CreateDirectory(temp_index_filename.DirName())) {
+    if (!base::CreateDirectory(temp_index_filename.DirName())) {
       LOG(ERROR) << "Could not create a directory to hold the index file";
       return;
     }
     if (!WritePickleFile(pickle.get(), temp_index_filename)) {
       LOG(ERROR) << "Failed to write the temporary index file";
       return;
     }
   }
 
   // Atomically rename the temporary index file to become the real one.
@@ skipping 238 matching lines @@
 bool SimpleIndexFile::LegacyIsIndexFileStale(
     base::Time cache_last_modified,
     const base::FilePath& index_file_path) {
   base::Time index_mtime;
   if (!simple_util::GetMTime(index_file_path, &index_mtime))
     return true;
   return index_mtime < cache_last_modified;
 }
 
 }  // namespace disk_cache