Handle Delete of element with LookupIterator

src/objects-inl.h

Index: src/objects-inl.h
diff --git a/src/objects-inl.h b/src/objects-inl.h
index 8d75a751248064ff1c9d7444b04b559f3afbffdc..77c9b2eae5db67e91d0a935e01750e9becb784e6 100644
--- a/src/objects-inl.h
+++ b/src/objects-inl.h
@@ -1193,11 +1193,6 @@ MaybeHandle<Object> Object::GetProperty(Isolate* isolate,
                                         Handle<Object> object,
                                         const char* name) {
   Handle<String> str = isolate->factory()->InternalizeUtf8String(name);
-  DCHECK(!str.is_null());
-#ifdef DEBUG
-  uint32_t index;  // Assert that the name is not an array index.
-  DCHECK(!str->AsArrayIndex(&index));
-#endif  // DEBUG
   return GetProperty(object, str);
 }
 
@@ -1213,14 +1208,6 @@ MaybeHandle<Object> JSProxy::SetElementWithHandler(Handle<JSProxy> proxy,
 }
 
 
-Maybe<bool> JSProxy::HasElementWithHandler(Handle<JSProxy> proxy,
-                                           uint32_t index) {
-  Isolate* isolate = proxy->GetIsolate();
-  Handle<String> name = isolate->factory()->Uint32ToString(index);
-  return HasPropertyWithHandler(proxy, name);
-}
-
-
 #define FIELD_ADDR(p, offset) \
   (reinterpret_cast<byte*>(p) + offset - kHeapObjectTag)