Add %TypedArray% to proto chain

test/mjsunit/es6/built-in-accessor-names.js

 // Copyright 2015 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.
 
 // Flags: --harmony-tostring
 
 'use strict';
 
-function assertGetterName(expected, object, name) {
-  var descr = Object.getOwnPropertyDescriptor(object, name);
+function getPropertyDescriptor(object, field, expectedDepth) {
+  for (var depth = 0; depth < expectedDepth; depth++) {
+    assertFalse(Object.hasOwnProperty(object, field));
+    object = object.__proto__;
+  }
+  return Object.getOwnPropertyDescriptor(object, field);
+}
+
+function assertGetterName(expected, object, name, expectedDepth) {
+  var descr = getPropertyDescriptor(object, name, expectedDepth);
   assertSame(expected, descr.get.name);
 }
 
 
-function assertSetterName(expected, object, name) {
-  var descr = Object.getOwnPropertyDescriptor(object, name);
+function assertSetterName(expected, object, name, indirect) {
+  var descr = getPropertyDescriptor(object, name);
   assertSame(expected, descr.set.name);
 }
 
 
 assertGetterName('get byteLength', ArrayBuffer.prototype, 'byteLength');
 assertGetterName('get size', Set.prototype, 'size');
 assertGetterName('get size', Map.prototype, 'size');
 
 
 let typedArrays = [
   Uint8Array,
   Int8Array,
   Uint16Array,
   Int16Array,
   Uint32Array,
   Int32Array,
   Float32Array,
   Float64Array,
   Uint8ClampedArray
 ];
 
 for (let f of typedArrays) {
-  assertGetterName('get buffer', f.prototype, 'buffer');
-  assertGetterName('get byteOffset', f.prototype, 'byteOffset');
-  assertGetterName('get byteLength', f.prototype, 'byteLength');
-  assertGetterName('get length', f.prototype, 'length');
-  assertGetterName('get [Symbol.toStringTag]', f.prototype, Symbol.toStringTag);
+  assertGetterName('get buffer', f.prototype, 'buffer', 1);
+  assertGetterName('get byteOffset', f.prototype, 'byteOffset', 1);
+  assertGetterName('get byteLength', f.prototype, 'byteLength', 1);
+  assertGetterName('get length', f.prototype, 'length', 1);
+  assertGetterName('get [Symbol.toStringTag]', f.prototype, Symbol.toStringTag, 1);
 }
 
 
 assertGetterName('get buffer', DataView.prototype, 'buffer');
 assertGetterName('get byteOffset', DataView.prototype, 'byteOffset');
 assertGetterName('get byteLength', DataView.prototype, 'byteLength');
 
 
 assertGetterName('get __proto__', Object.prototype, '__proto__');
 assertSetterName('set __proto__', Object.prototype, '__proto__');