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

net/quic/test_tools/quic_test_utils.cc

Index: net/quic/test_tools/quic_test_utils.cc
diff --git a/net/quic/test_tools/quic_test_utils.cc b/net/quic/test_tools/quic_test_utils.cc
index 8926727ca872f3cfda2f67e74898876981a1d2ad..0cf13e1223534c435fbfc799b16f5be72072f89a 100644
--- a/net/quic/test_tools/quic_test_utils.cc
+++ b/net/quic/test_tools/quic_test_utils.cc
@@ -327,8 +327,7 @@ MockSession::~MockSession() {
 }
 
 TestSession::TestSession(QuicConnection* connection, const QuicConfig& config)
-    : QuicSession(connection, config),
-      crypto_stream_(NULL) {
+    : QuicSession(connection, config), crypto_stream_(nullptr) {
   InitializeSession();
 }
 
@@ -345,7 +344,7 @@ QuicCryptoStream* TestSession::GetCryptoStream() {
 TestClientSession::TestClientSession(QuicConnection* connection,
                                      const QuicConfig& config)
     : QuicClientSessionBase(connection, config),
-      crypto_stream_(NULL) {
+      crypto_stream_(nullptr) {
   EXPECT_CALL(*this, OnProofValid(_)).Times(AnyNumber());
   InitializeSession();
 }
@@ -482,11 +481,11 @@ QuicEncryptedPacket* ConstructEncryptedPacket(
   QuicFramer framer(QuicSupportedVersions(), QuicTime::Zero(), false);
   scoped_ptr<QuicPacket> packet(
       BuildUnsizedDataPacket(&framer, header, frames).packet);
-  EXPECT_TRUE(packet != NULL);
+  EXPECT_TRUE(packet != nullptr);
   QuicEncryptedPacket* encrypted = framer.EncryptPacket(ENCRYPTION_NONE,
                                                         sequence_number,
                                                         *packet);
-  EXPECT_TRUE(encrypted != NULL);
+  EXPECT_TRUE(encrypted != nullptr);
   return encrypted;
 }
 
@@ -626,7 +625,7 @@ QuicVersionVector SupportedVersions(QuicVersion version) {
   return versions;
 }
 
-TestWriterFactory::TestWriterFactory() : current_writer_(NULL) {}
+TestWriterFactory::TestWriterFactory() : current_writer_(nullptr) {}
 TestWriterFactory::~TestWriterFactory() {}
 
 QuicPacketWriter* TestWriterFactory::Create(QuicServerPacketWriter* writer,
@@ -635,15 +634,15 @@ QuicPacketWriter* TestWriterFactory::Create(QuicServerPacketWriter* writer,
 }
 
 void TestWriterFactory::OnPacketSent(WriteResult result) {
-  if (current_writer_ != NULL && result.status == WRITE_STATUS_ERROR) {
+  if (current_writer_ != nullptr && result.status == WRITE_STATUS_ERROR) {
     current_writer_->connection()->OnWriteError(result.error_code);
-    current_writer_ = NULL;
+    current_writer_ = nullptr;
   }
 }
 
 void TestWriterFactory::Unregister(PerConnectionPacketWriter* writer) {
   if (current_writer_ == writer) {
-    current_writer_ = NULL;
+    current_writer_ = nullptr;
   }
 }
 
@@ -664,9 +663,10 @@ WriteResult TestWriterFactory::PerConnectionPacketWriter::WritePacket(
     size_t buf_len,
     const IPAddressNumber& self_address,
     const IPEndPoint& peer_address) {
-  // A DCHECK(factory_current_writer_ == NULL) would be wrong here -- this class
-  // may be used in a setting where connection()->OnPacketSent() is called in a
-  // different way, so TestWriterFactory::OnPacketSent might never be called.
+  // A DCHECK(factory_current_writer_ == nullptr) would be wrong here -- this
+  // class may be used in a setting where connection()->OnPacketSent() is called
+  // in a different way, so TestWriterFactory::OnPacketSent might never be
+  // called.
   factory_->current_writer_ = this;
   return QuicPerConnectionPacketWriter::WritePacket(buffer,
                                                     buf_len,