Replace some net::ERR_FAILED generic error codes with more specific codes....

net/http/http_network_layer.h

 // Copyright (c) 2006-2008 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_HTTP_HTTP_NETWORK_LAYER_H_
 #define NET_HTTP_HTTP_NETWORK_LAYER_H_
 
 #include "base/ref_counted.h"
 #include "base/scoped_ptr.h"
 #include "net/http/http_transaction_factory.h"
@@ skipping 27 matching lines @@
       SSLConfigService* ssl_config_service);
   // Create a transaction factory that instantiate a network layer over an
   // existing network session. Network session contains some valuable
   // information (e.g. authentication data) that we want to share across
   // multiple network layers. This method exposes the implementation details
   // of a network layer, use this method with an existing network layer only
   // when network session is shared.
   static HttpTransactionFactory* CreateFactory(HttpNetworkSession* session);
 
   // HttpTransactionFactory methods:
-  virtual HttpTransaction* CreateTransaction();
+  virtual int CreateTransaction(scoped_ptr<HttpTransaction>* trans);
   virtual HttpCache* GetCache();
   virtual void Suspend(bool suspend);
 
   HttpNetworkSession* GetSession();
 
  private:
   // The factory we will use to create network sockets.
   ClientSocketFactory* socket_factory_;
 
   // The host resolver and proxy service that will be used when lazily
   // creating |session_|.
   scoped_refptr<HostResolver> host_resolver_;
   scoped_refptr<ProxyService> proxy_service_;
 
   // The SSL config service being used for the session.
   scoped_refptr<SSLConfigService> ssl_config_service_;
 
   scoped_refptr<HttpNetworkSession> session_;
   bool suspended_;
 };
 
 }  // namespace net
 
 #endif  // NET_HTTP_HTTP_NETWORK_LAYER_H_