Move directory creation functions to base namespace.

net/tools/dump_cache/cache_dumper.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 "net/tools/dump_cache/cache_dumper.h"
 
 #include "base/file_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "net/base/io_buffer.h"
 #include "net/base/net_errors.h"
@@ skipping 47 matching lines @@
   // Create the subdirectories individually
   while ((pos = path.value().find(backslash, pos)) != std::wstring::npos) {
     base::FilePath::StringType subdir = path.value().substr(0, pos);
     CreateDirectoryW(subdir.c_str(), NULL);
     // we keep going even if directory creation failed.
     pos++;
   }
   // Now create the full path
   return CreateDirectoryW(path.value().c_str(), NULL) == TRUE;
 #else
-  return file_util::CreateDirectory(path);
+  return base::CreateDirectory(path);
 #endif
 }
 
 DiskDumper::DiskDumper(const base::FilePath& path)
     : path_(path), entry_(NULL) {
-  file_util::CreateDirectory(path);
+  base::CreateDirectory(path);
 }
 
 int DiskDumper::CreateEntry(const std::string& key,
                             disk_cache::Entry** entry,
                             const net::CompletionCallback& callback) {
   // The URL may not start with a valid protocol; search for it.
   int urlpos = key.find("http");
   std::string url = urlpos > 0 ? key.substr(urlpos) : key;
   std::string base_path = path_.MaybeAsASCII();
   std::string new_path =
@@ skipping 129 matching lines @@
 }
 
 void DiskDumper::CloseEntry(disk_cache::Entry* entry, base::Time last_used,
                           base::Time last_modified) {
 #ifdef WIN32_LARGE_FILENAME_SUPPORT
   CloseHandle(entry_);
 #else
   file_util::CloseFile(entry_);
 #endif
 }