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

net/quic/quic_data_stream.cc

 // Copyright 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/quic_data_stream.h"
 
 #include "base/logging.h"
 #include "net/quic/quic_session.h"
 #include "net/quic/quic_utils.h"
 #include "net/quic/quic_write_blocked_list.h"
@@ skipping 11 matching lines @@
 // to set a priority client-side, or cancel a stream before stripping the
 // priority from the wire server-side.  In either case, start out with a
 // priority in the middle.
 QuicPriority kDefaultPriority = 3;
 
 }  // namespace
 
 QuicDataStream::QuicDataStream(QuicStreamId id,
                                QuicSession* session)
     : ReliableQuicStream(id, session),
-      visitor_(NULL),
+      visitor_(nullptr),
       headers_decompressed_(false),
       priority_(kDefaultPriority),
       decompression_failed_(false),
       priority_parsed_(false) {
   DCHECK_NE(kCryptoStreamId, id);
   // Don't receive any callbacks from the sequencer until headers
   // are complete.
   sequencer()->SetBlockedUntilFlush();
 }
 
@@ skipping 125 matching lines @@
   }
 }
 
 void QuicDataStream::OnClose() {
   ReliableQuicStream::OnClose();
 
   if (visitor_) {
     Visitor* visitor = visitor_;
     // Calling Visitor::OnClose() may result the destruction of the visitor,
     // so we need to ensure we don't call it again.
-    visitor_ = NULL;
+    visitor_ = nullptr;
     visitor->OnClose(this);
   }
 }
 
 bool QuicDataStream::FinishedReadingHeaders() {
   return headers_decompressed_ && decompressed_headers_.empty();
 }
 
 }  // namespace net