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

trunk/src/content/renderer/media/media_stream_audio_processor_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 "base/command_line.h"
 #include "base/file_util.h"
 #include "base/files/file_path.h"
 #include "base/logging.h"
 #include "base/path_service.h"
 #include "base/time/time.h"
@@ skipping 28 matching lines @@
 void ReadDataFromSpeechFile(char* data, int length) {
   base::FilePath file;
   CHECK(PathService::Get(base::DIR_SOURCE_ROOT, &file));
   file = file.Append(FILE_PATH_LITERAL("media"))
              .Append(FILE_PATH_LITERAL("test"))
              .Append(FILE_PATH_LITERAL("data"))
              .Append(FILE_PATH_LITERAL("speech_16b_stereo_48kHz.raw"));
   DCHECK(base::PathExists(file));
   int64 data_file_size64 = 0;
   DCHECK(base::GetFileSize(file, &data_file_size64));
-  EXPECT_EQ(length, base::ReadFile(file, data, length));
+  EXPECT_EQ(length, file_util::ReadFile(file, data, length));
   DCHECK(data_file_size64 > length);
 }
 
 void ApplyFixedAudioConstraints(RTCMediaConstraints* constraints) {
   // Constant constraint keys which enables default audio constraints on
   // mediastreams with audio.
   struct {
     const char* key;
     const char* value;
   } static const kDefaultAudioConstraints[] = {
@@ skipping 97 matching lines @@
   audio_processor.SetCaptureFormat(params_);
   EXPECT_TRUE(audio_processor.has_audio_processing());
 
   ProcessDataAndVerifyFormat(&audio_processor,
                              kAudioProcessingSampleRate,
                              kAudioProcessingNumberOfChannel,
                              kAudioProcessingSampleRate / 100);
 }
 
 }  // namespace content