Revert of Remove reference counting from HttpNetworkSession.

net/cert_net/cert_net_fetcher_impl_unittest.cc

Index: net/cert_net/cert_net_fetcher_impl_unittest.cc
diff --git a/net/cert_net/cert_net_fetcher_impl_unittest.cc b/net/cert_net/cert_net_fetcher_impl_unittest.cc
index 2cbc972c65b61b9a3a55c9fd2a25a66778391faf..e60241840496bf3630473a683c2324dac3b4930a 100644
--- a/net/cert_net/cert_net_fetcher_impl_unittest.cc
+++ b/net/cert_net/cert_net_fetcher_impl_unittest.cc
@@ -48,11 +48,10 @@
     params.proxy_service = proxy_service();
     params.ssl_config_service = ssl_config_service();
     params.http_server_properties = http_server_properties();
-    storage_.set_http_network_session(
-        make_scoped_ptr(new HttpNetworkSession(params)));
+    scoped_refptr<HttpNetworkSession> network_session(
+        new HttpNetworkSession(params));
     storage_.set_http_transaction_factory(new HttpCache(
-        storage_.http_network_session(), HttpCache::DefaultBackend::InMemory(0),
-        false /* set_up_quic_server_info */));
+        network_session.get(), HttpCache::DefaultBackend::InMemory(0)));
     URLRequestJobFactoryImpl* job_factory = new URLRequestJobFactoryImpl();
     storage_.set_job_factory(job_factory);
   }