Remove reference counting from HttpNetworkSession.

content/shell/browser/shell_url_request_context_getter.cc

Index: content/shell/browser/shell_url_request_context_getter.cc
diff --git a/content/shell/browser/shell_url_request_context_getter.cc b/content/shell/browser/shell_url_request_context_getter.cc
index 6554e05119881523f4fc3171c2a1b8ca15ecebff..bbea9047eedd46512a74ddf2a8836f76242b4e6c 100644
--- a/content/shell/browser/shell_url_request_context_getter.cc
+++ b/content/shell/browser/shell_url_request_context_getter.cc
@@ -199,8 +199,11 @@ net::URLRequestContext* ShellURLRequestContextGetter::GetURLRequestContext() {
     network_session_params.host_resolver =
         url_request_context_->host_resolver();
 
+    storage_->set_http_network_session(
+        make_scoped_ptr(new net::HttpNetworkSession(network_session_params)));
     net::HttpCache* main_cache = new net::HttpCache(
-        network_session_params, main_backend);
+        storage_->http_network_session(), main_backend,
+        true /* set_up_quic_server_info */);
     storage_->set_http_transaction_factory(main_cache);
 
     scoped_ptr<net::URLRequestJobFactoryImpl> job_factory(