Enable ash new network status area by default

ash/system/chromeos/network/tray_vpn.cc

Index: ash/system/chromeos/network/tray_vpn.cc
diff --git a/ash/system/chromeos/network/tray_vpn.cc b/ash/system/chromeos/network/tray_vpn.cc
index 42e3536bb61d063a2ccccbe206e1f54ea0fabdcd..8f93b78893d5797970686b9ac58dd501fd7be68d 100644
--- a/ash/system/chromeos/network/tray_vpn.cc
+++ b/ash/system/chromeos/network/tray_vpn.cc
@@ -22,18 +22,19 @@
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/resource/resource_bundle.h"
 
+using chromeos::NetworkState;
+using chromeos::NetworkStateHandler;
+
 namespace {
 
 bool UseNewNetworkHandlers() {
-  return CommandLine::ForCurrentProcess()->HasSwitch(
-      ash::switches::kAshEnableNewNetworkStatusArea);
+  return !CommandLine::ForCurrentProcess()->HasSwitch(
+      ash::switches::kAshDisableNewNetworkStatusArea) &&
+      NetworkStateHandler::IsInitialized();
 }
 
 }
 
-using chromeos::NetworkState;
-using chromeos::NetworkStateHandler;
-
 namespace ash {
 namespace internal {