Issue 5549 - Implement missing error handlings for custom filter lists

messageResponder.js

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-present eyeo GmbH
  *
  * Adblock Plus is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 3 as
  * published by the Free Software Foundation.
  *
  * Adblock Plus is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 252 matching lines @@
   });
 
   port.on("filters.importRaw", (message, sender) =>
   {
     let result = require("filterValidation").parseFilters(message.text);
     let errors = [];
     for (let error of result.errors)
     {
       if (error.type != "unexpected-filter-list-header")
       {
-        // passing along all the info available through the error object
-        // in case we'll ever need these extra info in the future
-        errors.push({
-          lineno: error.lineno,
-          reason: error.reason,
-          type: error.type
-        });
+        errors.push(convertObject(["lineno", "reason"], error));
       }
     }
 
     if (errors.length > 0)
       return errors;
 
     let seenFilter = Object.create(null);
     for (let filter of result.filters)
     {
       FilterStorage.addFilter(filter);
@@ skipping 174 matching lines @@
     if (message.url)
       subscriptions = [Subscription.fromURL(message.url)];
 
     for (let subscription of subscriptions)
     {
       if (subscription instanceof DownloadableSubscription)
         Synchronizer.execute(subscription, true);
     }
   });
 })(this);