[modules] Move Evaluate from api.cc into internal Module implementation

src/objects.h

Index: src/objects.h
diff --git a/src/objects.h b/src/objects.h
index 7ae525f2542006b869e886cf8bb89b48bb917e27..45f729994d165fa4e07ab0af61af8c8199fabd4a 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -7967,6 +7967,9 @@ class Module : public Struct {
                                           v8::Module::ResolveCallback callback,
                                           v8::Local<v8::Value> callback_data);
 
+  // Implementation of spec operation ModuleEvaluation.
+  static MUST_USE_RESULT MaybeHandle<Object> Evaluate(Handle<Module> module);
+
   static Handle<Object> LoadExport(Handle<Module> module, Handle<String> name);
   static void StoreExport(Handle<Module> module, Handle<String> name,
                           Handle<Object> value);