setup vm context for DOM access

NWJS#4018

Author: rogerwang

src/node_contextify.cc

@@ -222,6 +222,9 @@ class ContextifyContext {
     // directly in an Object, we instead hold onto the new context's global
     // object instead (which then has a reference to the context).
     ctx->SetEmbedderData(kSandboxObjectIndex, sandbox_obj);
+    void* data = env->context()->GetAlignedPointerFromEmbedderData(2); //v8ContextPerContextDataIndex
+    ctx->SetAlignedPointerInEmbedderData(2, data);
+    ctx->SetAlignedPointerInEmbedderData(33, (void*)0x08110800);
     sandbox_obj->SetPrivate(env->context(),
                             env->contextify_global_private_symbol(),
                             ctx->Global());