net: split the SSL session cache between incognito and normal.

net/http/http_cache.h

 // Copyright (c) 2011 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.
 
 // This file declares a HttpTransactionFactory implementation that can be
 // layered on top of another HttpTransactionFactory to add HTTP caching.  The
 // caching logic follows RFC 2616 (any exceptions are called out in the code).
 //
 // The HttpCache takes a disk_cache::Backend as a parameter, and uses that for
 // the cache storage.
@@ skipping 108 matching lines @@
   };
 
   // The disk cache is initialized lazily (by CreateTransaction) in this case.
   // The HttpCache takes ownership of the |backend_factory|.
   HttpCache(HostResolver* host_resolver,
             CertVerifier* cert_verifier,
             OriginBoundCertService* origin_bound_cert_service,
             TransportSecurityState* transport_security_state,
             DnsCertProvenanceChecker* dns_cert_checker,
             ProxyService* proxy_service,
+            const std::string& ssl_session_cache_shard,
             SSLConfigService* ssl_config_service,
             HttpAuthHandlerFactory* http_auth_handler_factory,
             NetworkDelegate* network_delegate,
             HttpServerProperties* http_server_properties,
             NetLog* net_log,
             BackendFactory* backend_factory);
 
   // The disk cache is initialized lazily (by CreateTransaction) in  this case.
   // Provide an existing HttpNetworkSession, the cache can construct a
   // network layer with a shared HttpNetworkSession in order for multiple
@@ skipping 242 matching lines @@
   PendingOpsMap pending_ops_;
 
   scoped_ptr<PlaybackCacheMap> playback_cache_map_;
 
   DISALLOW_COPY_AND_ASSIGN(HttpCache);
 };
 
 }  // namespace net
 
 #endif  // NET_HTTP_HTTP_CACHE_H_