Let QUIC_VERSION_38 support IETF PADDING frame (1 byte frame with type 0x00) and respect NSTP conne…

net/quic/core/quic_data_writer.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/quic/core/quic_data_writer.h"
 
 #include <algorithm>
 #include <limits>
 
 #include "net/quic/core/quic_flags.h"
@@ skipping 131 matching lines @@
 
 void QuicDataWriter::WritePadding() {
   DCHECK_LE(length_, capacity_);
   if (length_ > capacity_) {
     return;
   }
   memset(buffer_ + length_, 0x00, capacity_ - length_);
   length_ = capacity_;
 }
 
+bool QuicDataWriter::WritePaddingBytes(size_t count) {
+  return WriteRepeatedByte(0x00, count);
+}
+
 bool QuicDataWriter::WriteConnectionId(uint64_t connection_id) {
   if (FLAGS_quic_restart_flag_quic_big_endian_connection_id) {
     connection_id = QuicEndian::HostToNet64(connection_id);
   }
 
   return WriteUInt64(connection_id);
 }
 
 bool QuicDataWriter::WriteTag(uint32_t tag) {
   return WriteBytes(&tag, sizeof(tag));
 }
 
 }  // namespace net