Issue 1675 - Use String.trim() to strip leading and trailing whitespaces (Firefox)

chrome/content/ui/filters-subscriptionactions.js

 /*
  * This file is part of Adblock Plus <http://adblockplus.org/>,
  * Copyright (C) 2006-2014 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 426 matching lines @@
     if (!this.subscriptionEdited)
       return;
 
     let subscriptionNode = this.subscriptionEdited;
     this.subscriptionEdited = null;
 
     let newTitle = null;
     if (save)
     {
       newTitle = subscriptionNode.getElementsByClassName("titleEditor")[0].value;
-      newTitle = newTitle.replace(/^\s+/, "").replace(/\s+$/, "");
+      newTitle = newTitle.trim();
     }
 
     let subscription = Templater.getDataForNode(subscriptionNode).subscription
     if (newTitle && newTitle != subscription.title)
       subscription.title = newTitle;
     else
     {
       subscriptionNode.getElementsByClassName("titleBox")[0].selectedIndex = 0;
       subscriptionNode.parentNode.focus();
     }
@@ skipping 139 matching lines @@
       return;
 
     if (event.keyCode == event.DOM_VK_RETURN || event.keyCode == event.DOM_VK_ENTER)
     {
       // This shouldn't accept our dialog, only the panel
       event.preventDefault();
       E("selectSubscriptionAccept").doCommand();
     }
   }
 };