Replacing NULL with nullptr

components/copresence/mediums/audio/audio_manager_impl.cc

 // Copyright 2014 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 "components/copresence/mediums/audio/audio_manager_impl.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "base/bind.h"
@@ skipping 22 matching lines @@
   return token;
 }
 
 const int kSampleExpiryTimeMs = 60 * 60 * 1000;  // 60 minutes.
 const int kMaxSamples = 10000;
 
 }  // namespace
 
 // Public methods.
 
-AudioManagerImpl::AudioManagerImpl() : recorder_(NULL) {
+AudioManagerImpl::AudioManagerImpl() : recorder_(nullptr) {
   // TODO(rkc): Move all of these into initializer lists once it is allowed.
   playing_[AUDIBLE] = false;
   playing_[INAUDIBLE] = false;
   recording_[AUDIBLE] = false;
   recording_[INAUDIBLE] = false;
 
-  player_[AUDIBLE] = NULL;
-  player_[INAUDIBLE] = NULL;
+  player_[AUDIBLE] = nullptr;
+  player_[INAUDIBLE] = nullptr;
 }
 
 void AudioManagerImpl::Initialize(const DecodeSamplesCallback& decode_cb,
                                   const EncodeTokenCallback& encode_cb) {
   samples_cache_.resize(2);
   samples_cache_[AUDIBLE] = new SamplesMap(
       base::TimeDelta::FromMilliseconds(kSampleExpiryTimeMs), kMaxSamples);
   samples_cache_[INAUDIBLE] = new SamplesMap(
       base::TimeDelta::FromMilliseconds(kSampleExpiryTimeMs), kMaxSamples);
 
@@ skipping 122 matching lines @@
     decode_type = BOTH;
   else if (recording_[AUDIBLE])
     decode_type = AUDIBLE;
   else if (recording_[INAUDIBLE])
     decode_type = INAUDIBLE;
 
   decode_cb_.Run(decode_type, samples);
 }
 
 }  // namespace copresence