Coverity: check null returns.

chrome/browser/ui/webui/net_internals/net_internals_ui.cc

Index: chrome/browser/ui/webui/net_internals/net_internals_ui.cc
diff --git a/chrome/browser/ui/webui/net_internals/net_internals_ui.cc b/chrome/browser/ui/webui/net_internals/net_internals_ui.cc
index 1787dd84a65e6a290341a01c150cb3747a59a023..5ecc2d2cdaa946e6a959e307271ba251509e733e 100644
--- a/chrome/browser/ui/webui/net_internals/net_internals_ui.cc
+++ b/chrome/browser/ui/webui/net_internals/net_internals_ui.cc
@@ -1269,9 +1269,12 @@ void NetInternalsMessageHandler::IOThreadImpl::OnGetHttpPipeliningStatus(
 
   net::HttpNetworkSession* http_network_session =
       GetHttpNetworkSession(context_getter_->GetURLRequestContext());
-  Value* pipelined_conneciton_info =
-      http_network_session->http_stream_factory()->PipelineInfoToValue();
-  status_dict->Set("pipelined_connection_info", pipelined_conneciton_info);
+  Value* pipelined_connection_info = NULL;
+  if (http_network_session) {
+    pipelined_connection_info =
+        http_network_session->http_stream_factory()->PipelineInfoToValue();
+  }
+  status_dict->Set("pipelined_connection_info", pipelined_connection_info);
 
   const net::HttpServerProperties& http_server_properties =
       *context_getter_->GetURLRequestContext()->http_server_properties();