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

trunk/src/media/audio/audio_low_latency_input_output_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 "base/basictypes.h"
 #include "base/environment.h"
 #include "base/file_util.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "base/path_service.h"
@@ skipping 144 matching lines @@
     delay_states_.reset(new AudioDelayState[kMaxDelayMeasurements]);
   }
 
   virtual ~FullDuplexAudioSinkSource() {
     // Get complete file path to output file in the directory containing
     // media_unittests.exe. Example: src/build/Debug/audio_delay_values_ms.txt.
     base::FilePath file_name;
     EXPECT_TRUE(PathService::Get(base::DIR_EXE, &file_name));
     file_name = file_name.AppendASCII(kDelayValuesFileName);
 
-    FILE* text_file = base::OpenFile(file_name, "wt");
+    FILE* text_file = file_util::OpenFile(file_name, "wt");
     DLOG_IF(ERROR, !text_file) << "Failed to open log file.";
     VLOG(0) << ">> Output file " << file_name.value() << " has been created.";
 
     // Write the array which contains time-stamps, buffer size and
     // audio delays values to a text file.
     size_t elements_written = 0;
     while (elements_written <
         std::min(input_elements_to_write_, output_elements_to_write_)) {
       const AudioDelayState state = delay_states_[elements_written];
       fprintf(text_file, "%d %d %d %d\n",
               state.delta_time_ms,
               state.buffer_delay_ms,
               state.input_delay_ms,
               state.output_delay_ms);
       ++elements_written;
     }
 
-    base::CloseFile(text_file);
+    file_util::CloseFile(text_file);
   }
 
   // AudioInputStream::AudioInputCallback.
   virtual void OnData(AudioInputStream* stream,
                       const uint8* src, uint32 size,
                       uint32 hardware_delay_bytes,
                       double volume) OVERRIDE {
     base::AutoLock lock(lock_);
 
     // Update three components in the AudioDelayState for this recorded
@@ skipping 253 matching lines @@
 
   // All Close() operations that run on the mocked audio thread,
   // should be synchronous and not post additional close tasks to
   // mocked the audio thread. Hence, there is no need to call
   // message_loop()->RunUntilIdle() after the Close() methods.
   aos->Close();
   ais->Close();
 }
 
 }  // namespace media