Noissue - Added documentation for exported functions to the "whitelisting" module

lib/whitelisting.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 104 matching lines @@
   if (!urlsWithKey)
   {
     urlsWithKey = Object.create(null);
     pagesWithKey.set(page, urlsWithKey);
   }
 
   urlsWithKey[stringifyURL(url)] = key;
 }
 
 /**
- * Validates signatures given by the "X-Adblock-Key" request
+ * Validates signatures given by the "X-Adblock-Key" response
  * header or the "data-adblockkey" attribute of the document
  * element. If the signature is valid, the public key will be
  * recorded and considered for the $sitekey filter option.
  *
  * @param {string} token  The base64-encoded public key and
  *                        signature separated by an underscrore.
  * @param {Page}   page
  * @param {Frame}  frame
  */
 function processKey(token, page, frame)
 {
   if (token.indexOf("_") < 0)
     return;
 
   let [key, signature] = token.split("_", 2);
   key = key.replace(/=/g, "");
 
   if (verifyKey(key, signature, frame.url))
     recordKey(page, frame.url, key);
 }
 exports.processKey = processKey;