Refactoring: Create per-connection packet writers in QuicDispatcher.

net/tools/quic/quic_per_connection_packet_writer.cc

+// Copyright (c) 2014 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/tools/quic/quic_per_connection_packet_writer.h"
+
+namespace net {
+
+namespace tools {
+
+QuicPerConnectionPacketWriter::QuicPerConnectionPacketWriter(
+    QuicPacketWriter* shared_writer,
+    QuicConnection* connection)
+    : shared_writer_(shared_writer),
+      connection_(connection) {
+}
+
+QuicPerConnectionPacketWriter::~QuicPerConnectionPacketWriter() {
+}
+
+WriteResult QuicPerConnectionPacketWriter::WritePacket(
+    const char* buffer,
+    size_t buf_len,
+    const IPAddressNumber& self_address,
+    const IPEndPoint& peer_address) {
+  return shared_writer_->WritePacket(buffer,
+                                     buf_len,
+                                     self_address,
+                                     peer_address);
+}
+
+bool QuicPerConnectionPacketWriter::IsWriteBlockedDataBuffered() const {
+  return shared_writer_->IsWriteBlockedDataBuffered();
+}
+
+bool QuicPerConnectionPacketWriter::IsWriteBlocked() const {
+  return shared_writer_->IsWriteBlocked();
+}
+
+void QuicPerConnectionPacketWriter::SetWritable() {
+  shared_writer_->SetWritable();
+}
+
+}  // namespace tools
+
+}  // namespace net