QUIC - (no behavior change) s/NULL/nullptr/g in .../quic/...

net/tools/quic/quic_server_session.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 "net/tools/quic/quic_server_session.h"
 
 #include "base/logging.h"
 #include "net/quic/crypto/source_address_token.h"
 #include "net/quic/quic_connection.h"
 #include "net/quic/quic_flags.h"
@@ skipping 34 matching lines @@
   // kFHDR config maps to FEC protection always for headers stream.
   // TODO(jri): Add crypto stream in addition to headers for kHDR.
   headers_stream_->set_fec_policy(FEC_PROTECT_ALWAYS);
 }
 
 void QuicServerSession::OnConnectionClosed(QuicErrorCode error,
                                            bool from_peer) {
   QuicSession::OnConnectionClosed(error, from_peer);
   // In the unlikely event we get a connection close while doing an asynchronous
   // crypto event, make sure we cancel the callback.
-  if (crypto_stream_.get() != NULL) {
+  if (crypto_stream_.get() != nullptr) {
     crypto_stream_->CancelOutstandingCallbacks();
   }
   visitor_->OnConnectionClosed(connection()->connection_id(), error);
 }
 
 void QuicServerSession::OnWriteBlocked() {
   QuicSession::OnWriteBlocked();
   visitor_->OnWriteBlocked(connection());
 }
 
@@ skipping 84 matching lines @@
              << get_max_open_streams() << ").";
     connection()->SendConnectionClose(QUIC_TOO_MANY_OPEN_STREAMS);
     return false;
   }
   return true;
 }
 
 QuicDataStream* QuicServerSession::CreateIncomingDataStream(
     QuicStreamId id) {
   if (!ShouldCreateIncomingDataStream(id)) {
-    return NULL;
+    return nullptr;
   }
 
   return new QuicSpdyServerStream(id, this);
 }
 
 QuicDataStream* QuicServerSession::CreateOutgoingDataStream() {
   DLOG(ERROR) << "Server push not yet supported";
-  return NULL;
+  return nullptr;
 }
 
 QuicCryptoServerStream* QuicServerSession::GetCryptoStream() {
   return crypto_stream_.get();
 }
 
 }  // namespace tools
 }  // namespace net