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

net/quic/crypto/channel_id_nss.cc

 // Copyright 2013 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/quic/crypto/channel_id.h"
 
 #include <keythi.h>
 #include <pk11pub.h>
 #include <sechash.h>
 
@@ skipping 58 matching lines @@
     HASH_Update(sha256,
                 reinterpret_cast<const unsigned char*>(kClientToServerStr),
                 strlen(kClientToServerStr) + 1);
   }
   HASH_Update(sha256,
               reinterpret_cast<const unsigned char*>(signed_data.data()),
               signed_data.size());
   HASH_End(sha256, hash_buf, &hash_item.len, sizeof(hash_buf));
   HASH_Destroy(sha256);
 
-  return PK11_Verify(&public_key, &signature_item, &hash_item, NULL) ==
+  return PK11_Verify(&public_key, &signature_item, &hash_item, nullptr) ==
          SECSuccess;
 }
 
 }  // namespace net