[runtime] support new Proxy() instead of Proxy.create and install getPrototypeOf trap

src/runtime/runtime-object.cc

Index: src/runtime/runtime-object.cc
diff --git a/src/runtime/runtime-object.cc b/src/runtime/runtime-object.cc
index 5db4eeea2ea846a6d5fd7fdad000e441cbb28b53..0d225ff5ca181b39b1b0e9638160f0034a464ab8 100644
--- a/src/runtime/runtime-object.cc
+++ b/src/runtime/runtime-object.cc
@@ -158,7 +158,10 @@ RUNTIME_FUNCTION(Runtime_GetPrototype) {
   HandleScope scope(isolate);
   DCHECK(args.length() == 1);
   CONVERT_ARG_HANDLE_CHECKED(Object, obj, 0);
-  return *Object::GetPrototype(isolate, obj);
+  Handle<Object> prototype;
+  ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, prototype,
+                                     Object::GetPrototype(isolate, obj));
+  return *prototype;
 }