relnote: Refactor stream buffer allocation out into a unique_ptr with a custom deleter.

net/quic/quic_packet_creator.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/quic_packet_creator.h"
 
 #include <algorithm>
 
 #include "base/basictypes.h"
 #include "base/logging.h"
@@ skipping 305 matching lines @@
   const size_t data_size = iov.total_length - iov_offset;
   size_t min_frame_size = QuicFramer::GetMinStreamFrameSize(
       id, offset, /* last_frame_in_packet= */ true, is_in_fec_group);
   size_t bytes_consumed = min<size_t>(BytesFree() - min_frame_size, data_size);
 
   bool set_fin = fin && bytes_consumed == data_size;  // Last frame.
   UniqueStreamBuffer buffer = NewStreamBuffer(bytes_consumed);
   CopyToBuffer(iov, iov_offset, bytes_consumed, buffer.get());
   // TODO(zhongyi): figure out the lifetime of data. Crashes on windows only.
   StringPiece data(buffer.get(), bytes_consumed);
-  *frame =
-      QuicFrame(new QuicStreamFrame(id, set_fin, offset, data, buffer.Pass()));
+  *frame = QuicFrame(
+      new QuicStreamFrame(id, set_fin, offset, data, std::move(buffer)));
   return bytes_consumed;
 }
 
 // static
 void QuicPacketCreator::CopyToBuffer(QuicIOVector iov,
                                      size_t iov_offset,
                                      size_t length,
                                      char* buffer) {
   int iovnum = 0;
   while (iovnum < iov.iov_count && iov_offset >= iov.iov[iovnum].iov_len) {
@@ skipping 431 matching lines @@
     QuicPacketCount max_packets_in_flight) {
   set_max_packets_per_fec_group(static_cast<size_t>(
       kMaxPacketsInFlightMultiplierForFecGroupSize * max_packets_in_flight));
 }
 
 void QuicPacketCreator::OnRttChange(QuicTime::Delta rtt) {
   fec_timeout_ = rtt.Multiply(rtt_multiplier_for_fec_timeout_);
 }
 
 }  // namespace net