Move WriteFile and WriteFileDescriptor from file_util to base namespace.

content/test/image_decoder_test.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 "content/test/image_decoder_test.h"
 
 #include "base/file_util.h"
 #include "base/files/file_enumerator.h"
 #include "base/files/file_path.h"
 #include "base/md5.h"
@@ skipping 43 matching lines @@
 void SaveMD5Sum(const base::FilePath& path, const blink::WebImage& web_image) {
   // Calculate MD5 sum.
   base::MD5Digest digest;
   web_image.getSkBitmap().lockPixels();
   base::MD5Sum(web_image.getSkBitmap().getPixels(),
          web_image.getSkBitmap().width() * web_image.getSkBitmap().height() *
          sizeof(uint32_t),
          &digest);
 
   // Write sum to disk.
-  int bytes_written = file_util::WriteFile(path,
+  int bytes_written = base::WriteFile(path,
       reinterpret_cast<const char*>(&digest), sizeof digest);
   ASSERT_EQ(sizeof digest, bytes_written);
   web_image.getSkBitmap().unlockPixels();
 }
 #endif
 
 #if !defined(CALCULATE_MD5_SUMS)
 void VerifyImage(const blink::WebImageDecoder& decoder,
                  const base::FilePath& path,
                  const base::FilePath& md5_sum_path,
@@ skipping 142 matching lines @@
   // Since WebImage does not expose get data by frame, get the size
   // through decoder and pass it to fromData so that the closest
   // image dats to the size is returned.
   blink::WebSize size(decoder->getImage(desired_frame_index).size());
   const blink::WebImage& image = blink::WebImage::fromData(data, size);
   SaveMD5Sum(md5_sum_path, image);
 #else
   VerifyImage(*decoder, image_path, md5_sum_path, desired_frame_index);
 #endif
 }