Add %TypedArray% to proto chain

test/mjsunit/harmony/typedarrays-of.js

Index: test/mjsunit/harmony/typedarrays-of.js
diff --git a/test/mjsunit/harmony/typedarrays-of.js b/test/mjsunit/harmony/typedarrays-of.js
index 9df1d30c8eed87f3fc427a505d98e70078d5d76d..66f5e2a07e6432b40184af92fd47ea3e1a51f41a 100644
--- a/test/mjsunit/harmony/typedarrays-of.js
+++ b/test/mjsunit/harmony/typedarrays-of.js
@@ -15,8 +15,16 @@ var typedArrayConstructors = [
   Int32Array,
   Uint8ClampedArray,
   Float32Array,
-  Float64Array];
+  Float64Array
+];
 
+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 TestTypedArrayOf(constructor) {
   // %TypedArray%.of basics.
@@ -111,7 +119,7 @@ function TestTypedArrayOf(constructor) {
   assertEquals("pass", status);
 
   // Check superficial features of %TypedArray%.of.
-  var desc = Object.getOwnPropertyDescriptor(constructor, "of");
+  var desc = getPropertyDescriptor(constructor, "of", 1);
 
   assertEquals(desc.configurable, false);
   assertEquals(desc.enumerable, false);