Revert of Remove reference counting from HttpNetworkSession.

net/url_request/url_request_context_storage.cc

 // 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.
 
 #include "net/url_request/url_request_context_storage.h"
 
 #include "base/logging.h"
 #include "net/base/network_delegate.h"
 #include "net/base/sdch_manager.h"
 #include "net/cert/cert_verifier.h"
@@ skipping 76 matching lines @@
   context_->set_cookie_store(cookie_store);
   cookie_store_ = cookie_store;
 }
 
 void URLRequestContextStorage::set_transport_security_state(
     TransportSecurityState* transport_security_state) {
   context_->set_transport_security_state(transport_security_state);
   transport_security_state_.reset(transport_security_state);
 }
 
-void URLRequestContextStorage::set_http_network_session(
-    scoped_ptr<HttpNetworkSession> http_network_session) {
-  http_network_session_ = http_network_session.Pass();
-}
-
 void URLRequestContextStorage::set_http_transaction_factory(
     HttpTransactionFactory* http_transaction_factory) {
   context_->set_http_transaction_factory(http_transaction_factory);
   http_transaction_factory_.reset(http_transaction_factory);
 }
 
 void URLRequestContextStorage::set_job_factory(
     URLRequestJobFactory* job_factory) {
   context_->set_job_factory(job_factory);
   job_factory_.reset(job_factory);
@@ skipping 17 matching lines @@
   http_user_agent_settings_.reset(http_user_agent_settings);
 }
 
 void URLRequestContextStorage::set_sdch_manager(
     scoped_ptr<SdchManager> sdch_manager) {
   context_->set_sdch_manager(sdch_manager.get());
   sdch_manager_ = sdch_manager.Pass();
 }
 
 }  // namespace net