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

media/audio/mac/audio_low_latency_input_mac.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 "media/audio/mac/audio_low_latency_input_mac.h"
 #include <CoreServices/CoreServices.h>
 #include <mach/mach.h>
 #include <string>
 
 #include "base/bind.h"
@@ skipping 252 matching lines @@
       last_number_of_frames_(0),
       total_lost_frames_(0),
       largest_glitch_frames_(0),
       glitches_detected_(0),
       number_of_restart_indications_(0),
       number_of_restart_attempts_(0),
       total_number_of_restart_attempts_(0),
       log_callback_(log_callback),
       weak_factory_(this) {
   DCHECK(manager_);
-  DCHECK(!log_callback_.Equals(AudioManager::LogCallback()));
+  CHECK(!log_callback_.Equals(AudioManager::LogCallback()));
 
   // Set up the desired (output) format specified by the client.
   format_.mSampleRate = input_params.sample_rate();
   format_.mFormatID = kAudioFormatLinearPCM;
   format_.mFormatFlags = kLinearPCMFormatFlagIsPacked |
                          kLinearPCMFormatFlagIsSignedInteger;
   DCHECK(FormatIsInterleaved(format_.mFormatFlags));
   format_.mBitsPerChannel = input_params.bits_per_sample();
   format_.mChannelsPerFrame = input_params.channels();
   format_.mFramesPerPacket = 1;  // uncompressed audio
@@ skipping 1387 matching lines @@
 
   number_of_frames_provided_ = 0;
   glitches_detected_ = 0;
   last_sample_time_ = 0;
   last_number_of_frames_ = 0;
   total_lost_frames_ = 0;
   largest_glitch_frames_ = 0;
 }
 
 }  // namespace media