Issue 4644 - Pass search messages to our devtools panel

chrome/devtools.js

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-2016 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
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with Adblock Plus.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 "use strict";
 
-var panelWindow = null;
+let panelWindow = null;
 
 chrome.runtime.sendMessage(
   {
     type: "prefs.get",
     key: "show_devtools_panel"
   },
-  function(enabled)
+  enabled =>
   {
     if (enabled)
     {
       chrome.devtools.panels.create(
         "Adblock Plus",
         "icons/detailed/abp-48.png",
         "devtools-panel.html",
-        function (panel)
+        panel =>
         {
-          panel.onShown.addListener(function(window)
+          panel.onShown.addListener(window =>
           {
             panelWindow = window;
           });
 
-          panel.onHidden.addListener(function(window)
+          panel.onHidden.addListener(window =>
           {
             panelWindow = null;
           });
 
-          panel.onSearch.addListener(function(eventName, queryString)
+          panel.onSearch.addListener((eventName, queryString) =>
           {
             if (panelWindow)
             {
               panelWindow.postMessage({
                 type: eventName,
                 queryString: queryString
               }, "*");
             }
           });
         }
       );
     }
   }
 );