Move QuicVersionManager into standalone .h/.cc. No behavior change.

net/tools/quic/quic_server.h

 // 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.
 //
 // A toy server, which listens on a specified address for QUIC traffic and
 // handles incoming responses.
 //
 // Note that this server is intended to verify correctness of the client and is
 // in no way expected to be performant.
 
 #ifndef NET_TOOLS_QUIC_QUIC_SERVER_H_
 #define NET_TOOLS_QUIC_QUIC_SERVER_H_
 
 #include <stddef.h>
 
 #include <memory>
 
 #include "base/macros.h"
 #include "net/quic/chromium/quic_chromium_connection_helper.h"
 #include "net/quic/core/crypto/quic_crypto_server_config.h"
 #include "net/quic/core/quic_config.h"
 #include "net/quic/core/quic_framer.h"
+#include "net/quic/core/quic_version_manager.h"
 #include "net/quic/platform/api/quic_socket_address.h"
 #include "net/tools/epoll_server/epoll_server.h"
 #include "net/tools/quic/quic_default_packet_writer.h"
 #include "net/tools/quic/quic_in_memory_cache.h"
 
 namespace net {
 
 namespace test {
 class QuicServerPeer;
 }  // namespace test
@@ skipping 97 matching lines @@
   std::unique_ptr<QuicPacketReader> packet_reader_;
 
   QuicInMemoryCache* in_memory_cache_;  // unowned.
 
   DISALLOW_COPY_AND_ASSIGN(QuicServer);
 };
 
 }  // namespace net
 
 #endif  // NET_TOOLS_QUIC_QUIC_SERVER_H_