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

net/quic/crypto/crypto_utils_test.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/crypto_utils.h"
 
 #include "net/quic/test_tools/quic_test_utils.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace net {
@@ skipping 50 matching lines @@
       "e934f78d7a71dd85420fceeb8cea0317",
       "b8d766b5d3c8aba0009c7ed3de553eba53b4de1030ea91383dcdf724cd8b7217",
       32,
       "a9979da0d5f1c1387d7cbe68f5c4163ddb445a03c4ad6ee72cb49d56726d679e"
     },
     // Don't let the label contain nulls
     { "14fe51e082ffee7d1b4d8d4ab41f8c55",
       "3132333435363700",
       "58585858585858585858585858585858",
       16,
-      NULL
+      nullptr
     },
     // Make sure nulls in the context are fine
     { "d862c2e36b0a42f7827c67ebc8d44df7",
       "7a5b95e4e8378123",
       "4142434445464700",
       16,
       "12d418c6d0738a2e4d85b2d0170f76e1"
     },
     // ... and give a different result than without
     { "d862c2e36b0a42f7827c67ebc8d44df7",
@@ skipping 13 matching lines @@
 
   for (size_t i = 0; i < ARRAYSIZE_UNSAFE(test_vector); i++) {
     // Decode the test vector.
     string subkey_secret;
     string label;
     string context;
     ASSERT_TRUE(DecodeHexString(test_vector[i].subkey_secret, &subkey_secret));
     ASSERT_TRUE(DecodeHexString(test_vector[i].label, &label));
     ASSERT_TRUE(DecodeHexString(test_vector[i].context, &context));
     size_t result_len = test_vector[i].result_len;
-    bool expect_ok = test_vector[i].expected != NULL;
+    bool expect_ok = test_vector[i].expected != nullptr;
     string expected;
     if (expect_ok) {
       ASSERT_TRUE(DecodeHexString(test_vector[i].expected, &expected));
     }
 
     string result;
     bool ok = CryptoUtils::ExportKeyingMaterial(subkey_secret,
                                                 label,
                                                 context,
                                                 result_len,
                                                 &result);
     EXPECT_EQ(expect_ok, ok);
     if (expect_ok) {
       EXPECT_EQ(result_len, result.length());
       test::CompareCharArraysWithHexError("HKDF output",
                                           result.data(),
                                           result.length(),
                                           expected.data(),
                                           expected.length());
     }
   }
 }
 
 }  // namespace
 }  // namespace test
 }  // namespace net