Replace NULL with nullptr in all C++ files.

webrtc/modules/video_coding/session_info.cc

 /*
  *  Copyright (c) 2012 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.
  */
 
@@ skipping 19 matching lines @@
       frame_type_(kVideoFrameDelta),
       packets_(),
       empty_seq_num_low_(-1),
       empty_seq_num_high_(-1),
       first_packet_seq_num_(-1),
       last_packet_seq_num_(-1) {}
 
 void VCMSessionInfo::UpdateDataPointers(const uint8_t* old_base_ptr,
                                         const uint8_t* new_base_ptr) {
   for (PacketIterator it = packets_.begin(); it != packets_.end(); ++it)
-    if ((*it).dataPtr != NULL) {
-      assert(old_base_ptr != NULL && new_base_ptr != NULL);
+    if ((*it).dataPtr != nullptr) {
+      assert(old_base_ptr != nullptr && new_base_ptr != nullptr);
       (*it).dataPtr = new_base_ptr + ((*it).dataPtr - old_base_ptr);
     }
 }
 
 int VCMSessionInfo::LowSequenceNumber() const {
   if (packets_.empty())
     return empty_seq_num_low_;
   return packets_.front().seqNum;
 }
 
@@ skipping 184 matching lines @@
 void VCMSessionInfo::ShiftSubsequentPackets(PacketIterator it,
                                             int steps_to_shift) {
   ++it;
   if (it == packets_.end())
     return;
   uint8_t* first_packet_ptr = const_cast<uint8_t*>((*it).dataPtr);
   int shift_length = 0;
   // Calculate the total move length and move the data pointers in advance.
   for (; it != packets_.end(); ++it) {
     shift_length += (*it).sizeBytes;
-    if ((*it).dataPtr != NULL)
+    if ((*it).dataPtr != nullptr)
       (*it).dataPtr += steps_to_shift;
   }
   memmove(first_packet_ptr + steps_to_shift, first_packet_ptr, shift_length);
 }
 
 void VCMSessionInfo::UpdateCompleteSession() {
   if (HaveFirstPacket() && HaveLastPacket()) {
     // Do we have all the packets in this session?
     bool complete_session = true;
     PacketIterator it = packets_.begin();
@@ skipping 68 matching lines @@
                                         PacketIterator end) {
   size_t bytes_to_delete = 0;  // The number of bytes to delete.
   PacketIterator packet_after_end = end;
   ++packet_after_end;
 
   // Get the number of bytes to delete.
   // Clear the size of these packets.
   for (PacketIterator it = start; it != packet_after_end; ++it) {
     bytes_to_delete += (*it).sizeBytes;
     (*it).sizeBytes = 0;
-    (*it).dataPtr = NULL;
+    (*it).dataPtr = nullptr;
   }
   if (bytes_to_delete > 0)
     ShiftSubsequentPackets(end, -static_cast<int>(bytes_to_delete));
   return bytes_to_delete;
 }
 
 VCMSessionInfo::PacketIterator VCMSessionInfo::FindNextPartitionBeginning(
     PacketIterator it) const {
   while (it != packets_.end()) {
     if ((*it).video_header.codecHeader.VP8.beginningOfPartition) {
@@ skipping 172 matching lines @@
   if (empty_seq_num_high_ == -1)
     empty_seq_num_high_ = seq_num;
   else
     empty_seq_num_high_ = LatestSequenceNumber(seq_num, empty_seq_num_high_);
   if (empty_seq_num_low_ == -1 ||
       IsNewerSequenceNumber(empty_seq_num_low_, seq_num))
     empty_seq_num_low_ = seq_num;
 }
 
 }  // namespace webrtc