Noissue - Cleanup. Remove last remnants of old thread code.

test/Prefs.cpp

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-present 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
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with Adblock Plus.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include <sstream>
-
-#include "../src/Thread.h"
 #include "BaseJsTest.h"
 
 using namespace AdblockPlus;
 
 namespace
 {
   class TestFileSystem : public LazyFileSystem
   {
   public:
     IOBuffer prefsContents;
@@ skipping 176 matching lines @@
   {
     ResetPlatform();
     AdblockPlus::FilterEngine::Prefs preconfiguredPrefs;
     preconfiguredPrefs.emplace("suppress_first_run_page", GetJsEngine().NewValue(true));
     auto& filterEngine = CreateFilterEngine(preconfiguredPrefs);
 
     ASSERT_TRUE(filterEngine.GetPref("suppress_first_run_page").IsBool());
     ASSERT_FALSE(filterEngine.GetPref("suppress_first_run_page").AsBool());
   }
 }