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

net/tools/quic/quic_simple_server.h

 // 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.
 //
 // A toy server, which listens on a specified address for QUIC traffic and
 // handles incoming responses.
 
 #ifndef NET_QUIC_TOOLS_QUIC_SIMPLE_SERVER_H_
 #define NET_QUIC_TOOLS_QUIC_SIMPLE_SERVER_H_
 
 #include <memory>
 
 #include "base/macros.h"
 #include "net/base/io_buffer.h"
 #include "net/base/ip_endpoint.h"
 #include "net/log/net_log.h"
 #include "net/quic/chromium/quic_chromium_alarm_factory.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_clock.h"
 #include "net/quic/core/quic_config.h"
+#include "net/quic/core/quic_version_manager.h"
 #include "net/tools/quic/quic_in_memory_cache.h"
 
 namespace net {
 
 class UDPServerSocket;
 
 
 class QuicDispatcher;
 
 namespace test {
@@ skipping 84 matching lines @@
   QuicInMemoryCache* in_memory_cache_;
 
   base::WeakPtrFactory<QuicSimpleServer> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(QuicSimpleServer);
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_TOOLS_QUIC_SIMPLE_SERVER_H_