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

net/tools/quic/quic_spdy_server_stream.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/tools/quic/quic_spdy_server_stream.h"
 
 #include "base/memory/singleton.h"
 #include "net/quic/quic_session.h"
 #include "net/spdy/spdy_framer.h"
 #include "net/tools/quic/quic_in_memory_cache.h"
@@ skipping 74 matching lines @@
     body_.append(data + len, delta);
   }
 
   request_headers_received_ = true;
 }
 
 void QuicSpdyServerStream::SendResponse() {
   // Find response in cache. If not found, send error response.
   const QuicInMemoryCache::Response* response =
       QuicInMemoryCache::GetInstance()->GetResponse(headers_);
-  if (response == NULL) {
+  if (response == nullptr) {
     SendErrorResponse();
     return;
   }
 
   if (response->response_type() == QuicInMemoryCache::CLOSE_CONNECTION) {
     DVLOG(1) << "Special response: closing connection.";
     CloseConnection(QUIC_NO_ERROR);
     return;
   }
 
@@ skipping 19 matching lines @@
     const BalsaHeaders& response_headers,
     StringPiece body) {
   // We only support SPDY and HTTP, and neither handles bidirectional streaming.
   if (!read_side_closed()) {
     CloseReadSide();
   }
 
   SpdyHeaderBlock header_block =
       SpdyUtils::ResponseHeadersToSpdyHeaders(response_headers);
 
-  WriteHeaders(header_block, body.empty(), NULL);
+  WriteHeaders(header_block, body.empty(), nullptr);
 
   if (!body.empty()) {
-    WriteOrBufferData(body, true, NULL);
+    WriteOrBufferData(body, true, nullptr);
   }
 }
 
 }  // namespace tools
 }  // namespace net