Update ObjectToString to Harmony-draft algorithm

test/mjsunit/harmony/typedarrays.js

Index: test/mjsunit/harmony/typedarrays.js
diff --git a/test/mjsunit/harmony/typedarrays.js b/test/mjsunit/harmony/typedarrays.js
index f26b0be56532ecaeb656e985ddd7410ac49a0079..eecd8920999446984d1a187020b8fe0eadefd328 100644
--- a/test/mjsunit/harmony/typedarrays.js
+++ b/test/mjsunit/harmony/typedarrays.js
@@ -52,6 +52,8 @@ function TestArrayBufferCreation() {
 
   var ab = new ArrayBuffer();
   assertSame(0, ab.byteLength);
+  assertEquals("[object ArrayBuffer]",
+      Object.prototype.toString.call(ab));
 }
 
 TestArrayBufferCreation();
@@ -123,6 +125,9 @@ function TestTypedArray(constr, elementSize, typicalElement) {
   var ab = new ArrayBuffer(256*elementSize);
 
   var a0 = new constr(30);
+  assertEquals("[object " + constr.name + "]",
+      Object.prototype.toString.call(a0));
+
   assertTrue(ArrayBuffer.isView(a0));
   assertSame(elementSize, a0.BYTES_PER_ELEMENT);
   assertSame(30, a0.length);