Use chrome.networkingPrivate in chrome://network

chrome/browser/ui/webui/chromeos/network_ui.cc

Index: chrome/browser/ui/webui/chromeos/network_ui.cc
diff --git a/chrome/browser/ui/webui/chromeos/network_ui.cc b/chrome/browser/ui/webui/chromeos/network_ui.cc
index 7c1b4825c43c1e6059fc15e1e271e44a2e9e7524..729782bdb604c5a7275ff15a6fde9758df5f5e28 100644
--- a/chrome/browser/ui/webui/chromeos/network_ui.cc
+++ b/chrome/browser/ui/webui/chromeos/network_ui.cc
@@ -7,6 +7,7 @@
 #include <string>
 
 #include "base/values.h"
+#include "chrome/browser/extensions/tab_helper.h"
 #include "chrome/browser/ui/webui/chromeos/network_config_message_handler.h"
 #include "chrome/common/url_constants.h"
 #include "chrome/grit/generated_resources.h"
@@ -20,6 +21,7 @@ namespace chromeos {
 NetworkUI::NetworkUI(content::WebUI* web_ui)
     : content::WebUIController(web_ui) {
   web_ui->AddMessageHandler(new NetworkConfigMessageHandler());
+  extensions::TabHelper::CreateForWebContents(web_ui->GetWebContents());
 
   content::WebUIDataSource* html =
       content::WebUIDataSource::Create(chrome::kChromeUINetworkHost);