Issue 1550 - Get rid of V8ValueHolder.h

src/JsEngine.cpp

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-2016 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 60 matching lines @@
 }
 
 AdblockPlus::JsEnginePtr AdblockPlus::JsEngine::New(const AppInfo& appInfo)
 {
   V8Initializer::Init();
   JsEnginePtr result(new JsEngine());
 
   const v8::Locker locker(result->isolate);
   const v8::HandleScope handleScope;
 
-  result->context.reset(result->isolate, v8::Context::New(result->isolate));
-
+  result->context.reset(new v8::Persistent<v8::Context>(result->isolate,
+    v8::Context::New(result->isolate)));
   v8::Local<v8::Object> globalContext = v8::Local<v8::Context>::New(
-    result->isolate, result->context)->Global();
+    result->isolate, *result->context)->Global();
   result->globalJsObject = JsValuePtr(new JsValue(result, globalContext));
-
   AdblockPlus::GlobalJsObject::Setup(result, appInfo, result->globalJsObject);
   return result;
 }
 
 AdblockPlus::JsValuePtr AdblockPlus::JsEngine::Evaluate(const std::string& source,
     const std::string& filename)
 {
   const JsContext context(shared_from_this());
   const v8::TryCatch tryCatch;
   const v8::Handle<v8::Script> script = CompileScript(isolate, source,
@@ skipping 135 matching lines @@
 
 
 void AdblockPlus::JsEngine::SetGlobalProperty(const std::string& name, 
                                               AdblockPlus::JsValuePtr value)
 {
   if (!globalJsObject)
     throw std::runtime_error("Global object cannot be null");
 
   globalJsObject->SetProperty(name, value);
 }