Revert of Use valid log callback for audio modem's audio recorder.

media/audio/mac/audio_auhal_mac.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 "media/audio/mac/audio_auhal_mac.h"
 
 #include <CoreServices/CoreServices.h>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 45 matching lines @@
       current_hardware_pending_bytes_(0),
       current_lost_frames_(0),
       last_sample_time_(0.0),
       last_number_of_frames_(0),
       total_lost_frames_(0),
       largest_glitch_frames_(0),
       glitches_detected_(0),
       log_callback_(log_callback) {
   // We must have a manager.
   DCHECK(manager_);
-  CHECK(!log_callback_.Equals(AudioManager::LogCallback()));
+  DCHECK(!log_callback_.Equals(AudioManager::LogCallback()));
 
   DVLOG(1) << "ctor";
   DVLOG(1) << "device ID: 0x" << std::hex << device;
   DVLOG(1) << "buffer size: " << number_of_frames_;
   DVLOG(1) << "output channels: " << output_channels_;
   DVLOG(1) << "sample rate: " << params_.sample_rate();
 }
 
 AUHALStream::~AUHALStream() {
   DCHECK(thread_checker_.CalledOnValidThread());
@@ skipping 478 matching lines @@
   OSStatus result = AudioUnitUninitialize(audio_unit_);
   OSSTATUS_DLOG_IF(ERROR, result != noErr, result)
       << "AudioUnitUninitialize() failed.";
   result = AudioComponentInstanceDispose(audio_unit_);
   OSSTATUS_DLOG_IF(ERROR, result != noErr, result)
       << "AudioComponentInstanceDispose() failed.";
   audio_unit_ = 0;
 }
 
 }  // namespace media