In QUIC, send data is copied to streams rather than frames. Protected by FLAGS_quic_reloadable_flag…

net/quic/test_tools/simulator/quic_endpoint.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/test_tools/simulator/quic_endpoint.h"
 
 #include "base/sha1.h"
 #include "net/quic/core/crypto/crypto_handshake_message.h"
 #include "net/quic/core/crypto/crypto_protocol.h"
 #include "net/quic/platform/api/quic_ptr_util.h"
@@ skipping 226 matching lines @@
 
     DCHECK(consumed_data.bytes_consumed <= transmission_size);
     bytes_transferred_ += consumed_data.bytes_consumed;
     bytes_to_transfer_ -= consumed_data.bytes_consumed;
     if (consumed_data.bytes_consumed != transmission_size) {
       return;
     }
   }
 }
 
+void QuicEndpoint::SaveStreamData(QuicStreamId id,
+                                  QuicIOVector iov,
+                                  size_t iov_offset,
+                                  QuicStreamOffset offset,
+                                  QuicByteCount data_length) {
+  producer_.SaveStreamData(id, iov, iov_offset, offset, data_length);
+}
+
+bool QuicEndpoint::WriteStreamData(QuicStreamId id,
+                                   QuicStreamOffset offset,
+                                   QuicByteCount data_length,
+                                   QuicDataWriter* writer) {
+  return producer_.WriteStreamData(id, offset, data_length, writer);
+}
+
 QuicEndpointMultiplexer::QuicEndpointMultiplexer(
     string name,
     std::initializer_list<QuicEndpoint*> endpoints)
     : Endpoint((*endpoints.begin())->simulator(), name) {
   for (QuicEndpoint* endpoint : endpoints) {
     mapping_.insert(std::make_pair(endpoint->name(), endpoint));
   }
 }
 
 QuicEndpointMultiplexer::~QuicEndpointMultiplexer() {}
@@ skipping 10 matching lines @@
   return this;
 }
 void QuicEndpointMultiplexer::SetTxPort(ConstrainedPortInterface* port) {
   for (auto& key_value_pair : mapping_) {
     key_value_pair.second->SetTxPort(port);
   }
 }
 
 }  // namespace simulator
 }  // namespace net