Preparation for only writing a fraction of the iov due to flow control

net/quic/quic_session.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_session.h"
 
 #include "base/stl_util.h"
 #include "net/quic/crypto/proof_verifier.h"
 #include "net/quic/quic_connection.h"
 #include "net/quic/quic_headers_stream.h"
@@ skipping 334 matching lines @@
 bool QuicSession::HasPendingWrites() const {
   return write_blocked_streams_.HasWriteBlockedStreams();
 }
 
 bool QuicSession::HasPendingHandshake() const {
   return has_pending_handshake_;
 }
 
 QuicConsumedData QuicSession::WritevData(
     QuicStreamId id,
-    const struct iovec* iov,
-    int iov_count,
+    const IOVector& data,
     QuicStreamOffset offset,
     bool fin,
     QuicAckNotifier::DelegateInterface* ack_notifier_delegate) {
-  IOVector data;
-  data.AppendIovec(iov, iov_count);
   return connection_->SendStreamData(id, data, offset, fin,
                                      ack_notifier_delegate);
 }
 
 size_t QuicSession::WriteHeaders(QuicStreamId id,
                                const SpdyHeaderBlock& headers,
                                bool fin) {
   DCHECK_LT(QUIC_VERSION_12, connection()->version());
   if (connection()->version() <= QUIC_VERSION_12) {
     return 0;
@@ skipping 312 matching lines @@
   NOTIMPLEMENTED();
   return false;
 }
 
 void QuicSession::PostProcessAfterData() {
   STLDeleteElements(&closed_streams_);
   closed_streams_.clear();
 }
 
 }  // namespace net