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 106 matching lines @@
     const base::FilePath path_;
     int max_bytes_;
     scoped_refptr<base::MessageLoopProxy> thread_;
   };
 
   // The disk cache is initialized lazily (by CreateTransaction) in this case.
   // The HttpCache takes ownership of the |backend_factory|.
   HttpCache(const net::HttpNetworkSession::Params& params,
             BackendFactory* backend_factory);
 
-  // The disk cache is initialized lazily (by CreateTransaction) in  this case.
+  // 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
   // 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.
+  // Initialize the cache from its component parts. 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);
 
   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
@@ skipping 200 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.
+  void SetupQuicServerInfoFactory(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_;
 
   base::WeakPtrFactory<HttpCache> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(HttpCache);
 };
 
 }  // namespace net
 
 #endif  // NET_HTTP_HTTP_CACHE_H_