Revert 239280 "Move more file_util functions to base namespace."

trunk/src/media/audio/win/audio_low_latency_input_win_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 <windows.h>
 #include <mmsystem.h>
 
 #include "base/basictypes.h"
 #include "base/environment.h"
 #include "base/file_util.h"
@@ skipping 82 matching lines @@
   // Allocate space for ~10 seconds of data @ 48kHz in stereo:
   // 2 bytes per sample, 2 channels, 10ms @ 48kHz, 10 seconds <=> 1920000 bytes.
   static const size_t kMaxBufferSize = 2 * 2 * 480 * 100 * 10;
 
   explicit WriteToFileAudioSink(const char* file_name)
       : buffer_(0, kMaxBufferSize),
         bytes_to_write_(0) {
     base::FilePath file_path;
     EXPECT_TRUE(PathService::Get(base::DIR_EXE, &file_path));
     file_path = file_path.AppendASCII(file_name);
-    binary_file_ = base::OpenFile(file_path, "wb");
+    binary_file_ = file_util::OpenFile(file_path, "wb");
     DLOG_IF(ERROR, !binary_file_) << "Failed to open binary PCM data file.";
     VLOG(0) << ">> Output file: " << file_path.value() << " has been created.";
   }
 
   virtual ~WriteToFileAudioSink() {
     size_t bytes_written = 0;
     while (bytes_written < bytes_to_write_) {
       const uint8* chunk;
       int chunk_size;
 
       // Stop writing if no more data is available.
       if (!buffer_.GetCurrentChunk(&chunk, &chunk_size))
         break;
 
       // Write recorded data chunk to the file and prepare for next chunk.
       fwrite(chunk, 1, chunk_size, binary_file_);
       buffer_.Seek(chunk_size);
       bytes_written += chunk_size;
     }
-    base::CloseFile(binary_file_);
+    file_util::CloseFile(binary_file_);
   }
 
   // AudioInputStream::AudioInputCallback implementation.
   virtual void OnData(AudioInputStream* stream,
                       const uint8* src,
                       uint32 size,
                       uint32 hardware_delay_bytes,
                       double volume) {
     // Store data data in a temporary buffer to avoid making blocking
     // fwrite() calls in the audio callback. The complete buffer will be
@@ skipping 370 matching lines @@
   WriteToFileAudioSink file_sink(file_name);
   VLOG(0) << ">> Speak into the default microphone while recording.";
   ais->Start(&file_sink);
   base::PlatformThread::Sleep(TestTimeouts::action_timeout());
   ais->Stop();
   VLOG(0) << ">> Recording has stopped.";
   ais.Close();
 }
 
 }  // namespace media