Issue 656 - Replace some __proto__ with Object.create

chrome/content/ui/filters-subscriptionview.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 158 matching lines @@
    */
   _onChange: function(action, item, param1, param2)
   {
     if ((action == "subscription.added" || action == "subscription.removed") && item.url == Prefs.subscriptions_exceptionsurl)
       E("acceptableAds").checked = FilterStorage.subscriptions.some(function(s) s.url == Prefs.subscriptions_exceptionsurl);
 
     if (action == "filter.disabled")
     {
       if (this._scheduledUpdateDisabled == null)
       {
-        this._scheduledUpdateDisabled = {__proto__: null};
+        this._scheduledUpdateDisabled = Object.create(null);
         Utils.runAsync(this.updateDisabled, this);
       }
       for (let i = 0; i < item.subscriptions.length; i++)
         this._scheduledUpdateDisabled[item.subscriptions[i].url] = true;
       return;
     }
 
     if (action != "load" && !this._filter(item))
       return;
 
@@ skipping 76 matching lines @@
       }
       case "subscription.fixedTitle":
       {
         SubscriptionActions.updateCommands();
         break;
       }
       case "subscription.updated":
       {
         if (this._scheduledUpdateDisabled == null)
         {
-          this._scheduledUpdateDisabled = {__proto__: null};
+          this._scheduledUpdateDisabled = Object.create(null);
           Utils.runAsync(this.updateDisabled, this);
         }
         this._scheduledUpdateDisabled[item.url] = true;
         break;
       }
     }
   }
 };
 
 /**
@@ skipping 34 matching lines @@
   {
     FilterStorage.addSubscription(subscription);
     if (subscription instanceof DownloadableSubscription && !subscription.lastDownload)
       Synchronizer.execute(subscription);
   }
   else
     FilterStorage.removeSubscription(subscription);
 };
 
 window.addEventListener("load", ListManager.init, false);