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

net/quic/crypto/null_decrypter.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/quic/crypto/null_decrypter.h"
 #include "net/quic/quic_utils.h"
 #include "net/quic/quic_data_reader.h"
 
 using base::StringPiece;
 using std::string;
@@ skipping 35 matching lines @@
 
 QuicData* NullDecrypter::DecryptPacket(QuicPacketSequenceNumber /*seq_number*/,
                                        StringPiece associated_data,
                                        StringPiece ciphertext) {
   // It's worth duplicating |Decrypt|, above, in order to save a copy by using
   // the shared-data QuicData constructor directly.
   QuicDataReader reader(ciphertext.data(), ciphertext.length());
 
   uint128 hash;
   if (!ReadHash(&reader, &hash)) {
-    return NULL;
+    return nullptr;
   }
 
   StringPiece plaintext = reader.ReadRemainingPayload();
 
   // TODO(rch): avoid buffer copy here
   string buffer = associated_data.as_string();
   plaintext.AppendToString(&buffer);
 
   if (hash != ComputeHash(buffer)) {
-    return NULL;
+    return nullptr;
   }
   return new QuicData(plaintext.data(), plaintext.length());
 }
 
 StringPiece NullDecrypter::GetKey() const { return StringPiece(); }
 
 StringPiece NullDecrypter::GetNoncePrefix() const { return StringPiece(); }
 
 bool NullDecrypter::ReadHash(QuicDataReader* reader, uint128* hash) {
   uint64 lo;
@@ skipping 10 matching lines @@
 
 uint128 NullDecrypter::ComputeHash(const string& data) const {
   uint128 correct_hash = QuicUtils::FNV1a_128_Hash(data.data(), data.length());
   uint128 mask(GG_UINT64_C(0x0), GG_UINT64_C(0xffffffff));
   mask <<= 96;
   correct_hash &= ~mask;
   return correct_hash;
 }
 
 }  // namespace net