Moved AudioUtil static functions to AudioManager interfaces

media/audio/audio_util.h

 // 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.
 
 #ifndef MEDIA_AUDIO_AUDIO_UTIL_H_
 #define MEDIA_AUDIO_AUDIO_UTIL_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 21 matching lines @@
 // simplify hardware requirements and to support a wider variety of input
 // formats.
 // The buffer is modified in-place to avoid memory management, as this
 // function may be called in performance critical code.
 MEDIA_EXPORT bool AdjustVolume(void* buf,
                                size_t buflen,
                                int channels,
                                int bytes_per_sample,
                                float volume);
 
-// Returns the default audio output hardware sample-rate.
-MEDIA_EXPORT int GetAudioHardwareSampleRate();
-
-// Returns the audio input hardware sample-rate for the specified device.
-MEDIA_EXPORT int GetAudioInputHardwareSampleRate(
-    const std::string& device_id);
-
-// Returns the optimal low-latency buffer size for the audio hardware.
-// This is the smallest buffer size the system can comfortably render
-// at without glitches.  The buffer size is in sample-frames.
-MEDIA_EXPORT size_t GetAudioHardwareBufferSize();
-
-// Returns the channel layout for the specified audio input device.
-MEDIA_EXPORT ChannelLayout GetAudioInputHardwareChannelLayout(
-    const std::string& device_id);
-
 // Computes a buffer size based on the given |sample_rate|. Must be used in
 // conjunction with AUDIO_PCM_LINEAR.
 MEDIA_EXPORT size_t GetHighLatencyOutputBufferSize(int sample_rate);
 
 #if defined(OS_WIN)
 
 // Returns number of buffers to be used by wave out.
 MEDIA_EXPORT int NumberOfWaveOutBuffers();
 
 #endif  // defined(OS_WIN)
 
 }  // namespace media
 
 #endif  // MEDIA_AUDIO_AUDIO_UTIL_H_