Move directory creation functions to base namespace.

chrome/installer/util/shell_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.
 //
 // This file defines functions that integrate Chrome in Windows shell. These
 // functions can be used by Chrome as well as Chrome installer. All of the
 // work is done by the local functions defined in anonymous namespace in
 // this class.
 
 #include "chrome/installer/util/shell_util.h"
@@ skipping 1497 matching lines @@
     NOTREACHED();
     return false;
   }
 
   base::win::ShortcutOperation shortcut_operation =
       TranslateShortcutOperation(operation);
   bool ret = true;
   if (should_install_shortcut) {
     // Make sure the parent directories exist when creating the shortcut.
     if (shortcut_operation == base::win::SHORTCUT_CREATE_ALWAYS &&
-        !file_util::CreateDirectory(chosen_path->DirName())) {
+        !base::CreateDirectory(chosen_path->DirName())) {
       NOTREACHED();
       return false;
     }
 
     base::win::ShortcutProperties shortcut_properties(
         TranslateShortcutProperties(properties));
     ret = base::win::CreateOrUpdateShortcutLink(
         *chosen_path, shortcut_properties, shortcut_operation);
   }
 
@@ skipping 625 matching lines @@
     // are any left...).
     if (free_bits >= 8 && next_byte_index < size) {
       free_bits -= 8;
       bit_stream += bytes[next_byte_index++] << free_bits;
     }
   }
 
   DCHECK_EQ(ret.length(), encoded_length);
   return ret;
 }