Make QuicDispatcher's helper and alarm factory arguments unique_ptrs to make ownership clear.

net/tools/quic/quic_time_wait_list_manager.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/tools/quic/quic_time_wait_list_manager.h"
 
 #include <errno.h>
 #include <memory>
 
 #include "base/logging.h"
@@ skipping 58 matching lines @@
   const IPEndPoint server_address_;
   const IPEndPoint client_address_;
   std::unique_ptr<QuicEncryptedPacket> packet_;
 
   DISALLOW_COPY_AND_ASSIGN(QueuedPacket);
 };
 
 QuicTimeWaitListManager::QuicTimeWaitListManager(
     QuicPacketWriter* writer,
     QuicServerSessionVisitor* visitor,
-    QuicConnectionHelperInterface* helper)
+    QuicConnectionHelperInterface* helper,
+    QuicAlarmFactory* alarm_factory)
     : time_wait_period_(
           QuicTime::Delta::FromSeconds(FLAGS_quic_time_wait_list_seconds)),
       connection_id_clean_up_alarm_(
-          helper->CreateAlarm(new ConnectionIdCleanUpAlarm(this))),
+          alarm_factory->CreateAlarm(new ConnectionIdCleanUpAlarm(this))),
       clock_(helper->GetClock()),
       writer_(writer),
       visitor_(visitor) {
   SetConnectionIdCleanUpAlarm();
 }
 
 QuicTimeWaitListManager::~QuicTimeWaitListManager() {
   connection_id_clean_up_alarm_->Cancel();
   STLDeleteElements(&pending_packets_queue_);
   for (ConnectionIdMap::iterator it = connection_id_map_.begin();
@@ skipping 239 matching lines @@
       version(version_),
       time_added(time_added_),
       connection_rejected_statelessly(connection_rejected_statelessly) {}
 
 QuicTimeWaitListManager::ConnectionIdData::ConnectionIdData(
     const ConnectionIdData& other) = default;
 
 QuicTimeWaitListManager::ConnectionIdData::~ConnectionIdData() {}
 
 }  // namespace net