Remove unnecessary virtual CreateQuicConnection method.

net/quic/quic_dispatcher.cc

 // Copyright 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/quic/quic_dispatcher.h"
 
 #include <errno.h>
 
 #include "base/debug/stack_trace.h"
 #include "base/logging.h"
@@ skipping 343 matching lines @@
 
 void QuicDispatcher::OnConnectionRemovedFromTimeWaitList(
     QuicConnectionId connection_id) {
   DVLOG(1) << "Connection " << connection_id << " removed from time wait list.";
 }
 
 QuicSession* QuicDispatcher::CreateQuicSession(
     QuicConnectionId connection_id,
     const IPEndPoint& server_address,
     const IPEndPoint& client_address) {
-  QuicServerSession* session = new QuicServerSession(
-      config_,
-      CreateQuicConnection(connection_id, server_address, client_address),
-      this);
+  // The QuicSession takes ownership of |connection| below.
+  QuicConnection* connection = new QuicConnection(
+      connection_id, client_address, helper_, connection_writer_factory_,
+      /* owns_writer= */ true, /* is_server= */ true,
+      crypto_config_.HasProofSource(), supported_versions_);
+
+  QuicServerSession* session = new QuicServerSession(config_, connection, this);
   session->InitializeSession(crypto_config_);
   return session;
 }
 
-QuicConnection* QuicDispatcher::CreateQuicConnection(
-    QuicConnectionId connection_id,
-    const IPEndPoint& server_address,
-    const IPEndPoint& client_address) {
-  return new QuicConnection(connection_id,
-                            client_address,
-                            helper_,
-                            connection_writer_factory_,
-                            /* owns_writer= */ true,
-                            /* is_server= */ true,
-                            crypto_config_.HasProofSource(),
-                            supported_versions_);
-}
-
 QuicTimeWaitListManager* QuicDispatcher::CreateQuicTimeWaitListManager() {
   return new QuicTimeWaitListManager(
       writer_.get(), this, helper_, supported_versions());
 }
 
 bool QuicDispatcher::HandlePacketForTimeWait(
     const QuicPacketPublicHeader& header) {
   if (header.reset_flag) {
     // Public reset packets do not have sequence numbers, so ignore the packet.
     return false;
   }
 
   // Switch the framer to the correct version, so that the sequence number can
   // be parsed correctly.
   framer_.set_version(time_wait_list_manager_->GetQuicVersionFromConnectionId(
       header.connection_id));
 
   // Continue parsing the packet to extract the sequence number.  Then
   // send it to the time wait manager in OnUnathenticatedHeader.
   return true;
 }
 
 }  // namespace net