Issue 5183 - Provide async interface for FileSystem

src/FilterEngine.cpp

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-2017 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 251 matching lines @@
 FilterEnginePtr FilterEngine::Create(const JsEnginePtr& jsEngine,
   const FilterEngine::CreationParameters& params)
 {
   FilterEnginePtr retValue;
   Sync sync;
   CreateAsync(jsEngine, [&retValue, &sync](const FilterEnginePtr& filterEngine)
   {
     retValue = filterEngine;
     sync.Set();
   }, params);
-  sync.Wait(std::chrono::milliseconds::zero());
+  sync.Wait();
   return retValue;
 }
 
 namespace
 {
   typedef std::map<FilterEngine::ContentType, std::string> ContentTypeMap;
 
   ContentTypeMap CreateContentTypeMap()
   {
     ContentTypeMap contentTypes;
@@ skipping 322 matching lines @@
     FilterPtr filter = GetWhitelistingFilter(currentUrl, contentTypeMask, parentUrl);
     if (filter)
     {
       return filter;
     }
     currentUrl = parentUrl;
   }
   while (urlIterator != documentUrls.end());
   return FilterPtr();
 }