Revert of Remove the code to store and load QUIC server configs in the disk cache.

net/quic/chromium/quic_stream_factory_peer.h

 // Copyright 2015 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_CHROMIUM_QUIC_STREAM_FACTORY_PEER_H_
 #define NET_QUIC_CHROMIUM_QUIC_STREAM_FACTORY_PEER_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 61 matching lines @@
 
   static void SetYieldAfterPackets(QuicStreamFactory* factory,
                                    int yield_after_packets);
 
   static void SetYieldAfterDuration(QuicStreamFactory* factory,
                                     QuicTime::Delta yield_after_duration);
 
   static size_t GetNumberOfActiveJobs(QuicStreamFactory* factory,
                                       const QuicServerId& server_id);
 
+  static void MaybeInitialize(QuicStreamFactory* factory);
+
+  static bool HasInitializedData(QuicStreamFactory* factory);
+
+  static bool SupportsQuicAtStartUp(QuicStreamFactory* factory,
+                                    HostPortPair host_port_pair);
+
   static bool CryptoConfigCacheIsEmpty(QuicStreamFactory* factory,
                                        const QuicServerId& quic_server_id);
 
   // Creates a dummy QUIC server config and caches it.
   static void CacheDummyServerConfig(QuicStreamFactory* factory,
                                      const QuicServerId& quic_server_id);
 
   static QuicClientPushPromiseIndex* GetPushPromiseIndex(
       QuicStreamFactory* factory);
 
   static int GetNumPushStreamsCreated(QuicStreamFactory* factory);
 
   static void SetAlarmFactory(QuicStreamFactory* factory,
                               std::unique_ptr<QuicAlarmFactory> alarm_factory);
 
  private:
   DISALLOW_COPY_AND_ASSIGN(QuicStreamFactoryPeer);
 };
 
 }  // namespace test
 }  // namespace net
 
 #endif  // NET_QUIC_CHROMIUM_QUIC_STREAM_FACTORY_PEER_H_