Revert of Remove reference counting from HttpNetworkSession.

chrome/browser/profiles/profile_impl_io_data.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.
 
 #ifndef CHROME_BROWSER_PROFILES_PROFILE_IMPL_IO_DATA_H_
 #define CHROME_BROWSER_PROFILES_PROFILE_IMPL_IO_DATA_H_
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "base/containers/hash_tables.h"
@@ skipping 14 matching lines @@
 class DataReductionProxyNetworkDelegate;
 }  // namespace data_reduction_proxy
 
 namespace domain_reliability {
 class DomainReliabilityMonitor;
 }  // namespace domain_reliability
 
 namespace net {
 class CookieCryptoDelegate;
 class FtpTransactionFactory;
-class HttpNetworkSession;
 class HttpServerProperties;
 class HttpServerPropertiesManager;
 class HttpTransactionFactory;
 class ProxyConfig;
 class SdchManager;
 class SdchOwner;
 }  // namespace net
 
 namespace storage {
 class SpecialStoragePolicy;
@@ skipping 163 matching lines @@
                                              const base::Closure& completion);
 
   mutable scoped_ptr<data_reduction_proxy::DataReductionProxyNetworkDelegate>
        network_delegate_;
 
   // Lazy initialization params.
   mutable scoped_ptr<LazyParams> lazy_params_;
 
   mutable scoped_refptr<JsonPrefStore> network_json_store_;
 
-  mutable scoped_ptr<net::HttpNetworkSession> http_network_session_;
   mutable scoped_ptr<net::HttpTransactionFactory> main_http_factory_;
   mutable scoped_ptr<net::FtpTransactionFactory> ftp_factory_;
 
   // Same as |ProfileIOData::http_server_properties_|, owned there to maintain
   // destruction ordering.
   mutable net::HttpServerPropertiesManager* http_server_properties_manager_;
 
   mutable scoped_ptr<chrome_browser_net::Predictor> predictor_;
 
   mutable scoped_ptr<net::URLRequestContext> media_request_context_;
 
   mutable scoped_ptr<net::URLRequestJobFactory> main_job_factory_;
   mutable scoped_ptr<net::URLRequestJobFactory> extensions_job_factory_;
 
   mutable scoped_ptr<domain_reliability::DomainReliabilityMonitor>
       domain_reliability_monitor_;
 
   mutable scoped_ptr<net::SdchManager> sdch_manager_;
   mutable scoped_ptr<net::SdchOwner> sdch_policy_;
 
   // Parameters needed for isolated apps.
   base::FilePath profile_path_;
   int app_cache_max_size_;
   int app_media_cache_max_size_;
 
   DISALLOW_COPY_AND_ASSIGN(ProfileImplIOData);
 };
 
 #endif  // CHROME_BROWSER_PROFILES_PROFILE_IMPL_IO_DATA_H_