Remove reference counting from HttpNetworkSession.

net/url_request/url_request_context_storage.cc

Index: net/url_request/url_request_context_storage.cc
diff --git a/net/url_request/url_request_context_storage.cc b/net/url_request/url_request_context_storage.cc
index 451fa967e5431b5d9a34be86eca1c4d24e4f2c48..e4294b2989b095b43e4c54228dca60c90a92074b 100644
--- a/net/url_request/url_request_context_storage.cc
+++ b/net/url_request/url_request_context_storage.cc
@@ -96,6 +96,11 @@ void URLRequestContextStorage::set_transport_security_state(
   transport_security_state_ = transport_security_state.Pass();
 }
 
+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(
     scoped_ptr<HttpTransactionFactory> http_transaction_factory) {
   context_->set_http_transaction_factory(http_transaction_factory.get());