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

net/tools/quic/quic_client.cc

Index: net/tools/quic/quic_client.cc
diff --git a/net/tools/quic/quic_client.cc b/net/tools/quic/quic_client.cc
index 48f789fac555836905aed1b1f052cebbb4ca605d..e70d8b845f3ad16ef644216cd07232a6c53280aa 100644
--- a/net/tools/quic/quic_client.cc
+++ b/net/tools/quic/quic_client.cc
@@ -235,7 +235,7 @@ void QuicClient::SendRequestsAndWaitForResponse(
     BalsaHeaders headers;
     headers.SetRequestFirstlineFromStringPieces("GET", args[i], "HTTP/1.1");
     QuicSpdyClientStream* stream = CreateReliableClientStream();
-    DCHECK(stream != NULL);
+    DCHECK(stream != nullptr);
     stream->SendRequest(headers, "", true);
     stream->set_visitor(this);
   }
@@ -245,7 +245,7 @@ void QuicClient::SendRequestsAndWaitForResponse(
 
 QuicSpdyClientStream* QuicClient::CreateReliableClientStream() {
   if (!connected()) {
-    return NULL;
+    return nullptr;
   }
 
   return session_->CreateOutgoingDataStream();
@@ -293,7 +293,7 @@ void QuicClient::OnEvent(int fd, EpollEvent* event) {
 void QuicClient::OnClose(QuicDataStream* stream) {
   QuicSpdyClientStream* client_stream =
       static_cast<QuicSpdyClientStream*>(stream);
-  if (response_listener_.get() != NULL) {
+  if (response_listener_.get() != nullptr) {
     response_listener_->OnCompleteResponse(
         stream->id(), client_stream->headers(), client_stream->data());
   }
@@ -335,8 +335,9 @@ int QuicClient::ReadPacket(char* buffer,
                            IPEndPoint* server_address,
                            IPAddressNumber* client_ip) {
   return QuicSocketUtils::ReadPacket(
-      fd_, buffer, buffer_len, overflow_supported_ ? &packets_dropped_ : NULL,
-      client_ip, server_address);
+      fd_, buffer, buffer_len,
+      overflow_supported_ ? &packets_dropped_ : nullptr, client_ip,
+      server_address);
 }
 
 bool QuicClient::ReadAndProcessPacket() {