Revert of "[es6] Partially implement Reflect.ownKeys."

src/builtins.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/builtins.h"
 
 #include "src/api.h"
 #include "src/api-natives.h"
 #include "src/arguments.h"
 #include "src/base/once.h"
@@ skipping 1622 matching lines @@
   */
 
   if (target->IsJSObject()) {
     return *isolate->factory()->ToBoolean(
         JSObject::IsExtensible(Handle<JSObject>::cast(target)));
   }
   return *isolate->factory()->false_value();
 }
 
 
-// ES6 section 26.1.11 Reflect.ownKeys
-BUILTIN(ReflectOwnKeys) {
-  HandleScope scope(isolate);
-  DCHECK_EQ(2, args.length());
-  Handle<Object> target = args.at<Object>(1);
-
-  if (!target->IsJSReceiver()) {
-    THROW_NEW_ERROR_RETURN_FAILURE(
-        isolate, NewTypeError(MessageTemplate::kCalledOnNonObject,
-                              isolate->factory()->NewStringFromAsciiChecked(
-                                  "Reflect.ownKeys")));
-  }
-
-  Handle<FixedArray> keys;
-  ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
-      isolate, keys,
-      JSReceiver::GetKeys(Handle<JSReceiver>::cast(target),
-                          JSReceiver::OWN_ONLY, INCLUDE_SYMBOLS,
-                          CONVERT_TO_STRING, IGNORE_ENUMERABILITY));
-  return *isolate->factory()->NewJSArrayWithElements(keys);
-}
-
-
 // ES6 section 26.1.12 Reflect.preventExtensions
 BUILTIN(ReflectPreventExtensions) {
   HandleScope scope(isolate);
   DCHECK_EQ(2, args.length());
   Handle<Object> target = args.at<Object>(1);
 
   if (!target->IsJSReceiver()) {
     THROW_NEW_ERROR_RETURN_FAILURE(
         isolate, NewTypeError(MessageTemplate::kCalledOnNonObject,
                               isolate->factory()->NewStringFromAsciiChecked(
@@ skipping 738 matching lines @@
 BUILTIN_LIST_C(DEFINE_BUILTIN_ACCESSOR_C)
 BUILTIN_LIST_A(DEFINE_BUILTIN_ACCESSOR_A)
 BUILTIN_LIST_H(DEFINE_BUILTIN_ACCESSOR_H)
 BUILTIN_LIST_DEBUG_A(DEFINE_BUILTIN_ACCESSOR_A)
 #undef DEFINE_BUILTIN_ACCESSOR_C
 #undef DEFINE_BUILTIN_ACCESSOR_A
 
 
 }  // namespace internal
 }  // namespace v8