Issue 5450 - move FilterEngine into Platform

test/UpdateCheck.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 50 matching lines @@
       platformParams.fileSystem.reset(fileSystem = new LazyFileSystem());
       platformParams.webRequest = DelayedWebRequest::New(webRequestTasks);
       platform.reset(new Platform(std::move(platformParams)));
       platform->SetUpJsEngine(appInfo);
       platform->GetJsEngine()->SetEventCallback("updateAvailable", [this](JsValueList&& params)
       {
         eventCallbackCalled = true;
         eventCallbackParams = std::move(params);
       });
 
-      filterEngine = ::CreateFilterEngine(*fileSystem, platform->GetJsEngine());
+      filterEngine = ::CreateFilterEngine(*fileSystem, *platform);
     }
 
     // Returns a URL or the empty string if there is no such request.
     std::string ProcessPendingUpdateWebRequest()
     {
       auto ii = webRequestTasks->begin();
       while (ii != webRequestTasks->end())
       {
         if (ii->url.find("update.json") != std::string::npos)
         {
@@ skipping 219 matching lines @@
 
   // ensure that the was the corresponding request
   EXPECT_FALSE(ProcessPendingUpdateWebRequest().empty());
 
   EXPECT_FALSE(eventCallbackCalled);
   EXPECT_EQ(1, timesCalled);
 
   // previous handler is not restored
   EXPECT_FALSE(eventCallbackCalled);
 }