Moved AudioUtil static functions to AudioManager interfaces

media/audio/win/audio_output_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/base_paths.h"
 #include "base/file_util.h"
@@ skipping 443 matching lines @@
   if (!audio_man->HasAudioOutputDevices()) {
     LOG(WARNING) << "No output device detected.";
     return;
   }
 
   // The WASAPI API requires a correct COM environment.
   ScopedCOMInitializer com_init(ScopedCOMInitializer::kMTA);
 
   // Use 10 ms buffer size for WASAPI and 50 ms buffer size for Wave.
   // Take the existing native sample rate into account.
-  int sample_rate = static_cast<int>(media::GetAudioHardwareSampleRate());
+  const AudioParameters params = audio_man->GetDefaultOutputStreamParameters();
+  int sample_rate = params.sample_rate();
   uint32 samples_10_ms = sample_rate / 100;
   int n = 1;
   (base::win::GetVersion() <= base::win::VERSION_XP) ? n = 5 : n = 1;
   AudioOutputStream* oas = audio_man->MakeAudioOutputStream(
       AudioParameters(AudioParameters::AUDIO_PCM_LOW_LATENCY,
                       CHANNEL_LAYOUT_MONO, sample_rate,
                       16, n * samples_10_ms));
   ASSERT_TRUE(NULL != oas);
 
   SineWaveAudioSource source(1, 200, sample_rate);
@@ skipping 209 matching lines @@
   oas->Start(&source);
 
   ::WaitForSingleObject(thread, INFINITE);
   ::CloseHandle(thread);
 
   oas->Stop();
   oas->Close();
 }
 
 }  // namespace media