Issue 1602 - Use ES6 generators instead of legacy generators

chrome/content/ui/filters-backup.js

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-2015 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 307 matching lines @@
     list.unshift("[Adblock Plus " + minVersion + "]");
 
     // Insert checksum. Have to add an empty line to the end of the list to
     // account for the trailing newline in the file.
     list.push("");
     let checksum = Utils.generateChecksum(list);
     list.pop();
     if (checksum)
       list.splice(1, 0, "! Checksum: " + checksum);
 
-    function generator()
+    function* generator()
     {
       for (let i = 0; i < list.length; i++)
         yield list[i];
     }
 
     IO.writeToFile(file, generator(), function(e)
     {
       if (e)
       {
         Cu.reportError(e);
         Utils.alert(window, E("backupButton").getAttribute("_backupError"), E("backupButton").getAttribute("_backupDialogTitle"));
       }
     });
   }
 };
 
 window.addEventListener("load", function()
 {
   Backup.init();
 }, false);