Replace NULL with nullptr in all C++ files.

webrtc/base/socketadapters.cc

 /*
  *  Copyright 2004 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 263 matching lines @@
 
 SocketAddress AsyncHttpsProxySocket::GetRemoteAddress() const {
   return dest_;
 }
 
 int AsyncHttpsProxySocket::Close() {
   headers_.clear();
   state_ = PS_ERROR;
   dest_.Clear();
   delete context_;
-  context_ = NULL;
+  context_ = nullptr;
   return BufferedReadAdapter::Close();
 }
 
 Socket::ConnState AsyncHttpsProxySocket::GetState() const {
   if (state_ < PS_TUNNEL) {
     return CS_CONNECTING;
   } else if (state_ == PS_TUNNEL) {
     return CS_CONNECTED;
   } else {
     return CS_CLOSED;
@@ skipping 587 matching lines @@
                                    size_t cb,
                                    SocketAddress* paddr,
                                    int64_t* timestamp) {
   int res = AsyncSocketAdapter::RecvFrom(pv, cb, paddr, timestamp);
   if (res > 0)
     LogMultiline(level_, label_.c_str(), true, pv, res, hex_mode_, &lms_);
   return res;
 }
 
 int LoggingSocketAdapter::Close() {
-  LogMultiline(level_, label_.c_str(), false, NULL, 0, hex_mode_, &lms_);
-  LogMultiline(level_, label_.c_str(), true, NULL, 0, hex_mode_, &lms_);
+  LogMultiline(level_, label_.c_str(), false, nullptr, 0, hex_mode_, &lms_);
+  LogMultiline(level_, label_.c_str(), true, nullptr, 0, hex_mode_, &lms_);
   LOG_V(level_) << label_ << " Closed locally";
   return socket_->Close();
 }
 
 void LoggingSocketAdapter::OnConnectEvent(AsyncSocket * socket) {
   LOG_V(level_) << label_ << " Connected";
   AsyncSocketAdapter::OnConnectEvent(socket);
 }
 
 void LoggingSocketAdapter::OnCloseEvent(AsyncSocket * socket, int err) {
-  LogMultiline(level_, label_.c_str(), false, NULL, 0, hex_mode_, &lms_);
-  LogMultiline(level_, label_.c_str(), true, NULL, 0, hex_mode_, &lms_);
+  LogMultiline(level_, label_.c_str(), false, nullptr, 0, hex_mode_, &lms_);
+  LogMultiline(level_, label_.c_str(), true, nullptr, 0, hex_mode_, &lms_);
   LOG_V(level_) << label_ << " Closed with error: " << err;
   AsyncSocketAdapter::OnCloseEvent(socket, err);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 
 }  // namespace rtc