Pass QuicInMemoryCache directly instead of using a singleton.

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/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
 
 class QuicDispatcher;
 class QuicPacketReader;
 
 class QuicServer : public EpollCallbackInterface {
  public:
-  explicit QuicServer(std::unique_ptr<ProofSource> proof_source);
+  QuicServer(std::unique_ptr<ProofSource> proof_source,
+             QuicInMemoryCache* in_memory_cache);
   QuicServer(std::unique_ptr<ProofSource> proof_source,
              const QuicConfig& config,
              const QuicCryptoServerConfig::ConfigOptions& server_config_options,
-             const QuicVersionVector& supported_versions);
+             const QuicVersionVector& supported_versions,
+             QuicInMemoryCache* in_memory_cache);
 
   ~QuicServer() override;
 
   // Start listening on the specified address.
   bool CreateUDPSocketAndListen(const QuicSocketAddress& address);
 
   // Wait up to 50ms, and handle any events which occur.
   void WaitForEvents();
 
   // Server deletion is imminent.  Start cleaning up the epoll server.
@@ skipping 23 matching lines @@
   virtual QuicDispatcher* CreateQuicDispatcher();
 
   const QuicConfig& config() const { return config_; }
   const QuicCryptoServerConfig& crypto_config() const { return crypto_config_; }
   EpollServer* epoll_server() { return &epoll_server_; }
 
   QuicDispatcher* dispatcher() { return dispatcher_.get(); }
 
   QuicVersionManager* version_manager() { return &version_manager_; }
 
+  QuicInMemoryCache* in_memory_cache() { return in_memory_cache_; }
+
  private:
   friend class net::test::QuicServerPeer;
 
   // Initialize the internal state of the server.
   void Initialize();
 
   // Accepts data from the framer and demuxes clients to sessions.
   std::unique_ptr<QuicDispatcher> dispatcher_;
   // Frames incoming packets and hands them to the dispatcher.
   EpollServer epoll_server_;
@@ skipping 21 matching lines @@
   // crypto_config_options_ contains crypto parameters for the handshake.
   QuicCryptoServerConfig::ConfigOptions crypto_config_options_;
 
   // Used to generate current supported versions.
   QuicVersionManager version_manager_;
 
   // Point to a QuicPacketReader object on the heap. The reader allocates more
   // space than allowed on the stack.
   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_