Move directory creation functions to base namespace.

tools/gn/gyp_target_writer.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 "tools/gn/gyp_target_writer.h"
 
 #include <iostream>
 
 #include "base/file_util.h"
 #include "base/files/file_path.h"
@@ skipping 24 matching lines @@
 void GypTargetWriter::WriteFile(const SourceFile& gyp_file,
                                 const std::vector<TargetGroup>& targets,
                                 Err* err) {
   if (targets.empty())
     return;
   const Settings* debug_settings =
       targets[0].debug->item()->AsTarget()->settings();
   const BuildSettings* debug_build_settings = debug_settings->build_settings();
 
   base::FilePath gyp_file_path = debug_build_settings->GetFullPath(gyp_file);
-  file_util::CreateDirectory(gyp_file_path.DirName());
+  base::CreateDirectory(gyp_file_path.DirName());
 
   std::stringstream file;
   file << "# Generated by GN. Do not edit.\n\n";
   file << "{\n";
   file << "  'skip_includes': 1,\n";
 
   if (debug_settings->IsMac()) {
     // Global settings for make/ninja. This must match common.gypi :(
     file << "  'make_global_settings': [\n";
     file << "    ['CC', 'third_party/llvm-build/Release+Asserts/bin/clang'],\n";
@@ skipping 45 matching lines @@
 
 // static
 std::ostream& GypTargetWriter::Indent(std::ostream& out, int spaces) {
   const char kSpaces[81] =
       "                                        "
       "                                        ";
   CHECK(static_cast<size_t>(spaces) <= arraysize(kSpaces) - 1);
   out.write(kSpaces, spaces);
   return out;
 }