Added high resolution icons for Retina displays

safari/ext/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 222 matching lines @@
 
         if (!("global" in property))
           property.global = toolbarItem[name];
 
         if (this._tab._tab == currentWindow.activeTab)
           toolbarItem[name] = value;
       }
     },
     setIcon: function(path)
     {
-      this._set("image", safari.extension.baseURI + path);
+      this._set("image", safari.extension.baseURI + path.replace("$size", "16"));
     },
     setBadge: function(badge)
     {
       if (!badge)
         this._set("badge", 0);
       else if ("number" in badge)
         this._set("badge", badge.number);
     }
   };
 
@@ skipping 448 matching lines @@
     for (var i = 0; i < contextMenuItems.length; i++)
     {
       if (contextMenuItems[i].id == event.command)
       {
         contextMenuItems[i].onclick(event.userInfo.srcUrl, new Tab(safari.application.activeBrowserWindow.activeTab));
         break;
       }
     }
   }, false);
 })();