Move WriteFile and WriteFileDescriptor from file_util to base namespace.

chrome/browser/spellchecker/spellcheck_hunspell_dictionary.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 "chrome/browser/spellchecker/spellcheck_hunspell_dictionary.h"
 
 #include "base/file_util.h"
 #include "base/files/memory_mapped_file.h"
 #include "base/logging.h"
 #include "base/message_loop/message_loop.h"
@@ skipping 115 matching lines @@
   return OpenDictionaryFile(file.Pass());
 }
 
 // Saves |data| to file at |path|. Returns true on successful save, otherwise
 // returns false.
 bool SaveDictionaryData(scoped_ptr<std::string> data,
                         const base::FilePath& path) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
 
   size_t bytes_written =
-      file_util::WriteFile(path, data->data(), data->length());
+      base::WriteFile(path, data->data(), data->length());
   if (bytes_written != data->length()) {
     bool success = false;
 #if defined(OS_WIN)
     base::FilePath dict_dir;
     PathService::Get(chrome::DIR_USER_DATA, &dict_dir);
     base::FilePath fallback_file_path =
         dict_dir.Append(path.BaseName());
     bytes_written =
-        file_util::WriteFile(fallback_file_path, data->data(), data->length());
+        base::WriteFile(fallback_file_path, data->data(), data->length());
     if (bytes_written == data->length())
       success = true;
 #endif
 
     if (!success) {
       base::DeleteFile(path, false);
       return false;
     }
   }
 
@@ skipping 199 matching lines @@
 void SpellcheckHunspellDictionary::InformListenersOfInitialization() {
   FOR_EACH_OBSERVER(Observer, observers_, OnHunspellDictionaryInitialized());
 }
 
 void SpellcheckHunspellDictionary::InformListenersOfDownloadFailure() {
   download_status_ = DOWNLOAD_FAILED;
   FOR_EACH_OBSERVER(Observer,
                     observers_,
                     OnHunspellDictionaryDownloadFailure());
 }