mustash: Show networking items in ash system tray

ash/common/system/networking_config_delegate.h

Index: ash/common/system/networking_config_delegate.h
diff --git a/ash/common/system/networking_config_delegate.h b/ash/common/system/networking_config_delegate.h
index f938ce043cb3ed5f6c4cf14a5ac04044a9f952a2..d136649bcdd36dd85b1dc969dfedcc892dcd6cde 100644
--- a/ash/common/system/networking_config_delegate.h
+++ b/ash/common/system/networking_config_delegate.h
@@ -31,8 +31,7 @@ class NetworkingConfigDelegate {
   virtual ~NetworkingConfigDelegate() {}
 
   // Returns information about the extension registered to control configuration
-  // of the network |service_path|. If no extension is registered, the
-  // scoped_ptr is empty.
+  // of the network |service_path|. Returns null if no extension is registered.
   virtual std::unique_ptr<const ExtensionInfo> LookUpExtensionForNetwork(
       const std::string& service_path) = 0;