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

net/quic/crypto/aead_base_decrypter_openssl.cc

 // Copyright (c) 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/aead_base_decrypter.h"
 
 #include <openssl/err.h>
 #include <openssl/evp.h>
 
 #include "base/memory/scoped_ptr.h"
@@ skipping 41 matching lines @@
 
 bool AeadBaseDecrypter::SetKey(StringPiece key) {
   DCHECK_EQ(key.size(), key_size_);
   if (key.size() != key_size_) {
     return false;
   }
   memcpy(key_, key.data(), key.size());
 
   EVP_AEAD_CTX_cleanup(ctx_.get());
   if (!EVP_AEAD_CTX_init(ctx_.get(), aead_alg_, key_, key_size_,
-                         auth_tag_size_, NULL)) {
+                         auth_tag_size_, nullptr)) {
     DLogOpenSslErrors();
     return false;
   }
 
   return true;
 }
 
 bool AeadBaseDecrypter::SetNoncePrefix(StringPiece nonce_prefix) {
   DCHECK_EQ(nonce_prefix.size(), nonce_prefix_size_);
   if (nonce_prefix.size() != nonce_prefix_size_) {
@@ skipping 26 matching lines @@
   }
 
   return true;
 }
 
 QuicData* AeadBaseDecrypter::DecryptPacket(
     QuicPacketSequenceNumber sequence_number,
     StringPiece associated_data,
     StringPiece ciphertext) {
   if (ciphertext.length() < auth_tag_size_) {
-    return NULL;
+    return nullptr;
   }
   size_t plaintext_size = ciphertext.length();
   scoped_ptr<char[]> plaintext(new char[plaintext_size]);
 
   uint8 nonce[sizeof(nonce_prefix_) + sizeof(sequence_number)];
   const size_t nonce_size = nonce_prefix_size_ + sizeof(sequence_number);
   DCHECK_LE(nonce_size, sizeof(nonce));
   memcpy(nonce, nonce_prefix_, nonce_prefix_size_);
   memcpy(nonce + nonce_prefix_size_, &sequence_number, sizeof(sequence_number));
   if (!Decrypt(StringPiece(reinterpret_cast<char*>(nonce), nonce_size),
                associated_data, ciphertext,
                reinterpret_cast<uint8*>(plaintext.get()),
                &plaintext_size)) {
-    return NULL;
+    return nullptr;
   }
   return new QuicData(plaintext.release(), plaintext_size, true);
 }
 
 StringPiece AeadBaseDecrypter::GetKey() const {
   return StringPiece(reinterpret_cast<const char*>(key_), key_size_);
 }
 
 StringPiece AeadBaseDecrypter::GetNoncePrefix() const {
   if (nonce_prefix_size_ == 0) {
     return StringPiece();
   }
   return StringPiece(reinterpret_cast<const char*>(nonce_prefix_),
                      nonce_prefix_size_);
 }
 
 }  // namespace net