[API] GetOwnPropertyDescriptor: use C++ implementation

src/js/v8natives.js

 // 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.
 
 (function(global, utils) {
 
 %CheckIsBootstrapping();
 
 // ----------------------------------------------------------------------------
 // Imports
 
 var FLAG_harmony_tostring;
 var GlobalArray = global.Array;
 var GlobalBoolean = global.Boolean;
 var GlobalFunction = global.Function;
 var GlobalNumber = global.Number;
 var GlobalObject = global.Object;
 var InternalArray = utils.InternalArray;
 var iteratorSymbol = utils.ImportNow("iterator_symbol");
 var MakeRangeError;
 var MakeSyntaxError;
 var MakeTypeError;
 var MathAbs;
 var NaN = %GetRootNaN();
 var ObserveBeginPerformSplice;
 var ObserveEndPerformSplice;
 var ObserveEnqueueSpliceRecord;
-var ProxyDelegateCallAndConstruct;
-var ProxyDerivedHasOwnTrap;
 var SameValue = utils.ImportNow("SameValue");
 var StringIndexOf;
 var toStringTagSymbol = utils.ImportNow("to_string_tag_symbol");
 
 utils.Import(function(from) {
   MakeRangeError = from.MakeRangeError;
   MakeSyntaxError = from.MakeSyntaxError;
   MakeTypeError = from.MakeTypeError;
   MathAbs = from.MathAbs;
   ObserveBeginPerformSplice = from.ObserveBeginPerformSplice;
   ObserveEndPerformSplice = from.ObserveEndPerformSplice;
   ObserveEnqueueSpliceRecord = from.ObserveEnqueueSpliceRecord;
   StringIndexOf = from.StringIndexOf;
 });
 
 utils.ImportFromExperimental(function(from) {
   FLAG_harmony_tostring = from.FLAG_harmony_tostring;
-  ProxyDelegateCallAndConstruct = from.ProxyDelegateCallAndConstruct;
-  ProxyDerivedHasOwnTrap = from.ProxyDerivedHasOwnTrap;
 });
 
 // ----------------------------------------------------------------------------
 
 
 // ECMA 262 - 15.1.4
 function GlobalIsNaN(number) {
   number = TO_NUMBER(number);
   return NUMBER_IS_NAN(number);
 }
@@ skipping 448 matching lines @@
       throw MakeTypeError(kProxyHandlerTrapMissing, handler, name);
     }
     trap = defaultTrap;
   } else if (!IS_CALLABLE(trap)) {
     throw MakeTypeError(kProxyHandlerTrapMustBeCallable, handler, name);
   }
   return trap;
 }
 
 
-function CallTrap0(handler, name, defaultTrap) {
-  return %_Call(GetTrap(handler, name, defaultTrap), handler);
-}
-
-
 function CallTrap1(handler, name, defaultTrap, x) {
   return %_Call(GetTrap(handler, name, defaultTrap), handler, x);
 }
 
 
 function CallTrap2(handler, name, defaultTrap, x, y) {
   return %_Call(GetTrap(handler, name, defaultTrap), handler, x, y);
 }
 
 
@@ skipping 1075 matching lines @@
   to.ObjectHasOwnProperty = ObjectHasOwnProperty;
   to.ObjectIsFrozen = ObjectIsFrozen;
   to.ObjectIsSealed = ObjectIsSealed;
   to.ObjectToString = ObjectToString;
 });
 
 %InstallToContext([
   "global_eval_fun", GlobalEval,
   "object_value_of", ObjectValueOf,
   "object_to_string", ObjectToString,
-  "object_get_own_property_descriptor", ObjectGetOwnPropertyDescriptor,
-  "to_complete_property_descriptor", ToCompletePropertyDescriptor,
 ]);
 
 })