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

src/runtime/runtime-debug.cc

Index: src/runtime/runtime-debug.cc
diff --git a/src/runtime/runtime-debug.cc b/src/runtime/runtime-debug.cc
index 27216fb323cdef04e6492f753bdc4d68c2ce2ad7..75d65941138be250e95a2ad90e395dd3ab0b6420 100644
--- a/src/runtime/runtime-debug.cc
+++ b/src/runtime/runtime-debug.cc
@@ -1449,7 +1449,12 @@ RUNTIME_FUNCTION(Runtime_DebugGetPrototype) {
   HandleScope shs(isolate);
   DCHECK(args.length() == 1);
   CONVERT_ARG_HANDLE_CHECKED(JSObject, obj, 0);
-  return *Object::GetPrototype(isolate, obj);
+  Handle<Object> prototype;
+  // TODO(1543): Come up with a solution for clients to handle potential errors
+  // thrown by an intermediate proxy.
+  ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, prototype,
+                                     Object::GetPrototype(isolate, obj));
+  return *prototype;
 }