Port QuicServer to Chrome network stack

net/quic/quic_in_memory_cache.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.
 
 #ifndef NET_QUIC_QUIC_IN_MEMORY_CACHE_H_
 #define NET_QUIC_QUIC_IN_MEMORY_CACHE_H_
 
 #include <string>
 
 #include "base/containers/hash_tables.h"
+#include "base/file_util.h"
 #include "base/memory/singleton.h"
 #include "base/strings/string_piece.h"
 #include "net/base/net_export.h"
 #include "net/tools/balsa/balsa_frame.h"
 #include "net/tools/balsa/balsa_headers.h"
 #include "net/tools/balsa/noop_balsa_visitor.h"
 
 template <typename T> struct DefaultSingletonTraits;
 
 namespace net {
 
+extern base::FilePath::StringType g_quic_in_memory_cache_dir;
+
 namespace test {
 class QuicInMemoryCachePeer;
 }  // namespace
 
 class QuicServer;
 
 // In-memory cache for HTTP responses.
 // Reads from disk cache generated by:
 // `wget -p --save_headers <url>`
 class QuicInMemoryCache {
@@ skipping 75 matching lines @@
 
   // Cached responses.
   ResponseMap responses_;
 
   DISALLOW_COPY_AND_ASSIGN(QuicInMemoryCache);
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_QUIC_IN_MEMORY_CACHE_H_