Issue 2010 - Remove some uses of "for each" with "for of"

chrome/content/ui/composer.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 128 matching lines @@
     docDomain = docDomain.replace(/^www\./i, "").replace(/\.+$/, "");
   if (docDomain)
     E("domainRestriction").value = docDomain;
 
   E("thirdParty").hidden = !thirdParty;
   E("firstParty").hidden = thirdParty;
 
   let typeGroup = E("typeGroup");
   let defaultTypes = RegExpFilter.prototype.contentType & ~RegExpFilter.typeMap.DOCUMENT;
   let isDefaultType = (RegExpFilter.typeMap[item.typeDescr] & defaultTypes) != 0;
-  for each (let type in types)
+  for (let type of types)
   {
     if (type == Policy.type.ELEMHIDE)
       continue;
 
     let typeNode = document.createElement("checkbox");
     typeNode.setAttribute("value", Policy.typeDescr[type].toLowerCase().replace(/\_/g, "-"));
     typeNode.setAttribute("label", Policy.localizedDescr[type].toLowerCase());
 
     let typeMask = RegExpFilter.typeMap[Policy.typeDescr[type]];
     typeNode._defaultType = (typeMask & defaultTypes) != 0;
@@ skipping 243 matching lines @@
  * Selects or unselects all type checkboxes except those
  * that are disabled.
  */
 function selectAllTypes(/**Boolean*/ select)
 {
   for (let typeNode = E("typeGroup").firstChild; typeNode; typeNode = typeNode.nextSibling)
     if (typeNode.getAttribute("disabled") != "true")
       typeNode.checked = select;
   updateFilter();
 }