Coverity: check null returns.

chrome/browser/ui/webui/net_internals/net_internals_ui.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 "chrome/browser/ui/webui/net_internals/net_internals_ui.h"
 
 #include <algorithm>
 #include <list>
 #include <string>
 #include <utility>
@@ skipping 1251 matching lines @@
 void NetInternalsMessageHandler::IOThreadImpl::OnGetHttpPipeliningStatus(
     const ListValue* list) {
   DictionaryValue* status_dict = new DictionaryValue();
 
   status_dict->Set("pipelining_enabled",
                    Value::CreateBooleanValue(
                        net::HttpStreamFactory::http_pipelining_enabled()));
 
   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();
 
   // TODO(simonjam): This call is slow.
   const net::PipelineCapabilityMap pipeline_capability_map =
       http_server_properties.GetPipelineCapabilityMap();
 
   ListValue* known_hosts_list = new ListValue();
   net::PipelineCapabilityMap::const_iterator it;
@@ skipping 282 matching lines @@
 
 NetInternalsUI::NetInternalsUI(content::WebUI* web_ui)
     : WebUIController(web_ui) {
   web_ui->AddMessageHandler(new NetInternalsMessageHandler());
 
   // Set up the chrome://net-internals/ source.
   Profile* profile = Profile::FromWebUI(web_ui);
   profile->GetChromeURLDataManager()->AddDataSource(
       CreateNetInternalsHTMLSource());
 }