Remove NetworkDelegate from HttpNetworkSession.

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 <stddef.h>
 
 #include <algorithm>
 #include <list>
@@ skipping 849 matching lines @@
       GetMainContext()->transport_security_state();
   if (!transport_security_state)
     return;
 
   transport_security_state->DeleteDynamicDataForHost(domain);
 }
 
 void NetInternalsMessageHandler::IOThreadImpl::OnGetSessionNetworkStats(
     const base::ListValue* list) {
   DCHECK(!list);
+  net::URLRequestContext* context =
+      main_context_getter_->GetURLRequestContext();
   net::HttpNetworkSession* http_network_session =
-      GetHttpNetworkSession(main_context_getter_->GetURLRequestContext());
+      GetHttpNetworkSession(context);
 
   base::Value* network_info = NULL;
   if (http_network_session) {
+    // TODO(mmenke):  This cast is ugly.  Can we get rid of it, or, better,
+    // remove DRP data this from net-internals entirely?

[eroman, 2016/03/18 17:21:25]

phrasing?

[mmenke, 2016/03/18 17:24:00]

Done.  

     data_reduction_proxy::DataReductionProxyNetworkDelegate* net_delegate =
         static_cast<data_reduction_proxy::DataReductionProxyNetworkDelegate*>(
-            http_network_session->network_delegate());
+            context->network_delegate());
     if (net_delegate) {
       network_info = net_delegate->SessionNetworkStatsInfoToValue();
     }
   }
   SendJavascriptCommand("receivedSessionNetworkStats", network_info);
 }
 
 void NetInternalsMessageHandler::IOThreadImpl::OnFlushSocketPools(
     const base::ListValue* list) {
   DCHECK(!list);
@@ skipping 285 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);
   content::WebUIDataSource::Add(profile, CreateNetInternalsHTMLSource());
 }