Move WriteFile and WriteFileDescriptor from file_util to base namespace.

chrome/utility/media_galleries/pmp_column_reader_unittest.cc

 // Copyright 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 <algorithm>
 #include <vector>
 
 #include "base/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/platform_file.h"
@@ skipping 12 matching lines @@
     const PmpFieldType expected_type) {
   base::ScopedTempDir temp_dir;
   if (!temp_dir.CreateUniqueTempDir())
     return false;
 
   base::FilePath temp_path;
   if (!base::CreateTemporaryFileInDir(temp_dir.path(), &temp_path))
     return false;
 
   // Explicit conversion from signed to unsigned.
-  size_t bytes_written = file_util::WriteFile(temp_path, &data[0], data.size());
+  size_t bytes_written = base::WriteFile(temp_path, &data[0], data.size());
   if (bytes_written != data.size())
     return false;
 
   int flags = base::PLATFORM_FILE_OPEN | base::PLATFORM_FILE_READ;
   base::PlatformFile platform_file =
       base::CreatePlatformFile(temp_path, flags, NULL, NULL);
   if (platform_file == base::kInvalidPlatformFileValue)
     return false;
 
   bool read_success = reader->ReadFile(platform_file, expected_type);
@@ skipping 158 matching lines @@
 TEST(PmpColumnReaderTest, PrimitiveParsing) {
   TestPrimitive<uint32>(PMP_TYPE_UINT32);
   TestPrimitive<double>(PMP_TYPE_DOUBLE64);
   TestPrimitive<uint8>(PMP_TYPE_UINT8);
   TestPrimitive<uint64>(PMP_TYPE_UINT64);
 }
 
 }  // namespace
 
 }  // namespace picasa