Move WriteFile and WriteFileDescriptor from file_util to base namespace.

net/base/upload_file_element_reader_unittest.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/base/upload_file_element_reader.h"
 
 #include "base/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/message_loop/message_loop_proxy.h"
 #include "base/run_loop.h"
@@ skipping 12 matching lines @@
     // Some tests (*.ReadPartially) rely on bytes_.size() being even.
     const char kData[] = "123456789abcdefghi";
     bytes_.assign(kData, kData + arraysize(kData) - 1);
 
     ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
 
     ASSERT_TRUE(base::CreateTemporaryFileInDir(temp_dir_.path(),
                                                &temp_file_path_));
     ASSERT_EQ(
         static_cast<int>(bytes_.size()),
-        file_util::WriteFile(temp_file_path_, &bytes_[0], bytes_.size()));
+        base::WriteFile(temp_file_path_, &bytes_[0], bytes_.size()));
 
     reader_.reset(
         new UploadFileElementReader(base::MessageLoopProxy::current().get(),
                                     temp_file_path_,
                                     0,
                                     kuint64max,
                                     base::Time()));
     TestCompletionCallback callback;
     ASSERT_EQ(ERR_IO_PENDING, reader_->Init(callback.callback()));
     EXPECT_EQ(OK, callback.WaitForResult());
@@ skipping 184 matching lines @@
                                   wrong_path,
                                   0,
                                   kuint64max,
                                   base::Time()));
   TestCompletionCallback init_callback;
   ASSERT_EQ(ERR_IO_PENDING, reader_->Init(init_callback.callback()));
   EXPECT_EQ(ERR_FILE_NOT_FOUND, init_callback.WaitForResult());
 }
 
 }  // namespace net