Move WriteFile and WriteFileDescriptor from file_util to base namespace.

chrome/tools/convert_dict/convert_dict_unittest.cc

 // Copyright (c) 2011 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 <map>
 #include <string>
 
 #include "base/file_util.h"
 #include "base/format_macros.h"
 #include "base/i18n/icu_string_conversions.h"
@@ skipping 63 matching lines @@
                                 codepage,
                                 base::OnStringConversionError::FAIL,
                                 &encoded_word));
     dic_data += encoded_word;
     dic_data += "\n";
   }
 
   // Create a temporary affix file and a dictionary file from the test data.
   base::FilePath aff_file;
   base::CreateTemporaryFile(&aff_file);
-  file_util::WriteFile(aff_file, aff_data.c_str(), aff_data.length());
+  base::WriteFile(aff_file, aff_data.c_str(), aff_data.length());
 
   base::FilePath dic_file;
   base::CreateTemporaryFile(&dic_file);
-  file_util::WriteFile(dic_file, dic_data.c_str(), dic_data.length());
+  base::WriteFile(dic_file, dic_data.c_str(), dic_data.length());
 
   {
     // Read the above affix file with AffReader and read the dictionary file
     // with DicReader, respectively.
     convert_dict::AffReader aff_reader(aff_file);
     EXPECT_TRUE(aff_reader.Read());
 
     convert_dict::DicReader dic_reader(dic_file);
     EXPECT_TRUE(dic_reader.Read(&aff_reader));
 
@@ skipping 99 matching lines @@
   };
 
   std::map<base::string16, bool> word_list;
   for (size_t i = 0; i < ARRAYSIZE_UNSAFE(kWords); ++i)
     word_list.insert(
         std::make_pair<base::string16, bool>(base::WideToUTF16(kWords[i]),
                                              true));
 
   RunDictionaryTest(kCodepage, word_list);
 }