Added high resolution icons for Retina displays

background.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 99 matching lines @@
 removeDeprecatedOptions();
 
 var activeNotification = null;
 
 // Adds or removes browser action icon according to options.
 function refreshIconAndContextMenu(tab)
 {
   var whitelisted = isWhitelisted(tab.url);
 
   var iconFilename;
-  if (require("info").platform == "safari")
+  if (whitelisted && require("info").platform != "safari")
     // There is no grayscale version of the icon for whitelisted tabs
     // when using Safari, because icons are grayscale already and icons
     // aren't per tab in Safari.
-    iconFilename = "icons/abp-16.png"
+    iconFilename = "icons/abp-$size-whitelisted.png";
   else
-    iconFilename = whitelisted ? "icons/abp-19-whitelisted.png" : "icons/abp-19.png";
+    iconFilename = "icons/abp-$size.png";
 
   tab.browserAction.setIcon(iconFilename);
   iconAnimation.registerTab(tab, iconFilename);
 
   // Set context menu status according to whether current tab has whitelisted domain
   if (whitelisted || !/^https?:/.test(tab.url))
     ext.contextMenus.hideMenuItems();
   else
     ext.contextMenus.showMenuItems();
 }
@@ skipping 447 matching lines @@
   tab.sendMessage({type: "clickhide-deactivate"});
   refreshIconAndContextMenu(tab);
 });
 
 setTimeout(function()
 {
   var notificationToShow = Notification.getNextToShow();
   if (notificationToShow)
     showNotification(notificationToShow);
 }, 3 * 60 * 1000);