Issue 5180 - introduce asynchronous web request

src/DefaultWebRequest.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
 * 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 "BaseJsTest.h"
+#include <AdblockPlus/DefaultWebRequest.h>
+#include <thread>
 
-AdblockPlus::JsEnginePtr CreateJsEngine(const AdblockPlus::AppInfo& appInfo)
+using namespace AdblockPlus;
+
+DefaultWebRequest::DefaultWebRequest(const WebRequestSharedPtr& syncImpl)
+  : syncImpl(syncImpl)
 {
-  static AdblockPlus::ScopedV8IsolatePtr isolate = std::make_shared<AdblockPlus::ScopedV8Isolate>();
-  return AdblockPlus::JsEngine::New(appInfo, AdblockPlus::CreateDefaultTimer(), isolate);
+
 }
+
+DefaultWebRequest::~DefaultWebRequest()
+{
+
+}
+
+void DefaultWebRequest::GET(const std::string& url, const HeaderList& requestHeaders, const GetCallback& getCallback)
+{
+  auto syncImplCapture = syncImpl;
+  std::thread([syncImplCapture, url, requestHeaders, getCallback]
+  {
+    getCallback(syncImplCapture->GET(url, requestHeaders));
+  }).detach();
+}