Replace NULL with nullptr in all C++ files.

webrtc/modules/video_coding/packet.cc

 /*
  *  Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
 #include "webrtc/modules/video_coding/packet.h"
 
 #include <assert.h>
 
 #include "webrtc/modules/include/module_common_types.h"
 
 namespace webrtc {
 
 VCMPacket::VCMPacket()
     : payloadType(0),
       timestamp(0),
       ntp_time_ms_(0),
       seqNum(0),
-      dataPtr(NULL),
+      dataPtr(nullptr),
       sizeBytes(0),
       markerBit(false),
       timesNacked(-1),
       frameType(kEmptyFrame),
       codec(kVideoCodecUnknown),
       is_first_packet_in_frame(false),
       completeNALU(kNaluUnset),
       insertStartCode(false),
       width(0),
       height(0),
@@ skipping 31 matching lines @@
   } else {
     video_header.playout_delay = {-1, -1};
   }
 }
 
 void VCMPacket::Reset() {
   payloadType = 0;
   timestamp = 0;
   ntp_time_ms_ = 0;
   seqNum = 0;
-  dataPtr = NULL;
+  dataPtr = nullptr;
   sizeBytes = 0;
   markerBit = false;
   timesNacked = -1;
   frameType = kEmptyFrame;
   codec = kVideoCodecUnknown;
   is_first_packet_in_frame = false;
   completeNALU = kNaluUnset;
   insertStartCode = false;
   width = 0;
   height = 0;
@@ skipping 46 matching lines @@
       codec = kVideoCodecH264;
       return;
     case kRtpVideoGeneric:
     case kRtpVideoNone:
       codec = kVideoCodecUnknown;
       return;
   }
 }
 
 }  // namespace webrtc