Create a NetworkConnect class and Delegate

ash/system/chromeos/network/network_state_list_detailed_view.cc

Index: ash/system/chromeos/network/network_state_list_detailed_view.cc
diff --git a/ash/system/chromeos/network/network_state_list_detailed_view.cc b/ash/system/chromeos/network/network_state_list_detailed_view.cc
index c7ff9fb665efbd3c707c466058a54d5530e7aaeb..ec5807c5e02c1597d015176f00dea0659fea0dca 100644
--- a/ash/system/chromeos/network/network_state_list_detailed_view.cc
+++ b/ash/system/chromeos/network/network_state_list_detailed_view.cc
@@ -271,7 +271,7 @@ void NetworkStateListDetailedView::OnViewClicked(views::View* sender) {
         list_type_ == LIST_TYPE_VPN ?
         ash::UMA_STATUS_AREA_CONNECT_TO_VPN :
         ash::UMA_STATUS_AREA_CONNECT_TO_CONFIGURED_NETWORK);
-    ash::network_connect::ConnectToNetwork(service_path);
+    ash::NetworkConnect::Get()->ConnectToNetwork(service_path);
   }
 }
 
@@ -587,8 +587,8 @@ void NetworkStateListDetailedView::ToggleMobile() {
   NetworkStateHandler* handler = NetworkHandler::Get()->network_state_handler();
   bool enabled =
       handler->IsTechnologyEnabled(NetworkTypePattern::Mobile());
-  ash::network_connect::SetTechnologyEnabled(NetworkTypePattern::Mobile(),
-                                             !enabled);
+  ash::NetworkConnect::Get()->SetTechnologyEnabled(NetworkTypePattern::Mobile(),
+                                                   !enabled);
 }
 
 views::View* NetworkStateListDetailedView::CreateViewForNetwork(