Issue #4688, #3595 - Web request use scheduled threads; unit tests terminate

src/WebRequestJsObject.cpp

Index: src/WebRequestJsObject.cpp
===================================================================
--- a/src/WebRequestJsObject.cpp
+++ b/src/WebRequestJsObject.cpp
@@ -90,9 +90,10 @@
   v8::Handle<v8::Value> GETCallback(const v8::Arguments& arguments)
   {
     std::shared_ptr<WebRequestTask> thread;
+    AdblockPlus::JsEnginePtr jsEngine;
     try
     {
-      AdblockPlus::JsEnginePtr jsEngine = AdblockPlus::JsEngine::FromArguments(arguments);
+      jsEngine = AdblockPlus::JsEngine::FromArguments(arguments);
       AdblockPlus::JsValueList converted = jsEngine->ConvertArguments(arguments);
       if (converted.size() != 3u)
         throw std::runtime_error("GET requires exactly 3 arguments");
@@ -104,7 +105,7 @@
       v8::Isolate* isolate = arguments.GetIsolate();
       return v8::ThrowException(ToV8String(isolate, e.what()));
     }
-    StartImmediatelyInSingleUseDetachedThread(AdblockPlus::MakeHeapFunction(thread));
+    jsEngine->Schedule(AdblockPlus::MakeHeapFunction(thread), AdblockPlus::ImmediateSingleUseThread);
     return v8::Undefined();
   }
 }