[modules] Do path resolution relative to each module file in d8

src/api.cc

Index: src/api.cc
diff --git a/src/api.cc b/src/api.cc
index 1407b2792bc899d3615d80a6f4175e6bdddb25a4..0bebcfa2d9e5ca6da2f4feb7e26eec2153209d6f 100644
--- a/src/api.cc
+++ b/src/api.cc
@@ -1915,6 +1915,16 @@ Local<String> Module::GetModuleRequest(int i) const {
   return ToApiHandle<String>(i::handle(module_requests->get(i), isolate));
 }
 
+void Module::SetEmbedderData(Local<Value> data) {
+  Utils::OpenHandle(this)->set_embedder_data(*Utils::OpenHandle(*data));
+}
+
+Local<Value> Module::GetEmbedderData() const {
+  auto self = Utils::OpenHandle(this);
+  return ToApiHandle<Value>(
+      i::handle(self->embedder_data(), self->GetIsolate()));
+}
+
 bool Module::Instantiate(Local<Context> v8_context,
                          Module::ResolveCallback callback,
                          Local<Value> callback_data) {