Add the ability for DevTools to wrap network transactions.

net/http/http_cache.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.
 
 // 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 120 matching lines @@
   // network layers to share information (e.g. authentication data). The
   // HttpCache takes ownership of the |backend_factory|.
   HttpCache(HttpNetworkSession* session, BackendFactory* backend_factory);
 
   // Initialize the cache from its component parts, which is useful for
   // testing.  The lifetime of the network_layer and backend_factory are managed
   // by the HttpCache and will be destroyed using |delete| when the HttpCache is
   // destroyed.
   HttpCache(HttpTransactionFactory* network_layer,
             NetLog* net_log,
-            BackendFactory* backend_factory);
+            BackendFactory* backend_factory,
+            bool setup_network_session);
 
   virtual ~HttpCache();
 
   HttpTransactionFactory* network_layer() { return network_layer_.get(); }
 
   // Retrieves the cache backend for this HttpCache instance. If the backend
   // is not initialized yet, this method will initialize it. The return value is
   // a network error code, and it could be ERR_IO_PENDING, in which case the
   // |callback| will be notified when the operation completes. The pointer that
   // receives the |backend| must remain valid until the operation completes.
@@ skipping 195 matching lines @@
   void RemovePendingTransaction(Transaction* trans);
 
   // Removes the transaction |trans|, from the pending list of |entry|.
   bool RemovePendingTransactionFromEntry(ActiveEntry* entry,
                                          Transaction* trans);
 
   // Removes the transaction |trans|, from the pending list of |pending_op|.
   bool RemovePendingTransactionFromPendingOp(PendingOp* pending_op,
                                              Transaction* trans);
 
+  // Instantiates and sets QUIC server info factory. Should be invoked only
+  // once for every network session.
+  void SetupNetworkSession(HttpNetworkSession* session);
+
   // Resumes processing the pending list of |entry|.
   void ProcessPendingQueue(ActiveEntry* entry);
 
   // Events (called via PostTask) ---------------------------------------------
 
   void OnProcessPendingQueue(ActiveEntry* entry);
 
   // Callbacks ----------------------------------------------------------------
 
   // Processes BackendCallback notifications.
@@ skipping 15 matching lines @@
   // Variables ----------------------------------------------------------------
 
   NetLog* net_log_;
 
   // Used when lazily constructing the disk_cache_.
   scoped_ptr<BackendFactory> backend_factory_;
   bool building_backend_;
 
   Mode mode_;
 
-  const scoped_ptr<QuicServerInfoFactoryAdaptor> quic_server_info_factory_;
+  scoped_ptr<QuicServerInfoFactoryAdaptor> quic_server_info_factory_;
 
   scoped_ptr<HttpTransactionFactory> network_layer_;
 
   scoped_ptr<disk_cache::Backend> disk_cache_;
 
   // The set of active entries indexed by cache key.
   ActiveEntriesMap active_entries_;
 
   // The set of doomed entries.
   ActiveEntriesSet doomed_entries_;
 
   // The set of entries "under construction".
   PendingOpsMap pending_ops_;
 
   scoped_ptr<PlaybackCacheMap> playback_cache_map_;
 
   DISALLOW_COPY_AND_ASSIGN(HttpCache);
 };
 
 }  // namespace net
 
 #endif  // NET_HTTP_HTTP_CACHE_H_