Revert r20375.

test/intl/date-format/protected-icu-internals.js

Index: test/intl/date-format/protected-icu-internals.js
diff --git a/test/mjsunit/regress/json-stringifier-emptyhandle.js b/test/intl/date-format/protected-icu-internals.js
similarity index 73%
copy from test/mjsunit/regress/json-stringifier-emptyhandle.js
copy to test/intl/date-format/protected-icu-internals.js
index 970b0b834cd47d5b480638d1a037e16de6d2b8a4..140f4b594d8a7d4d6f35734956d6d8e20ff9c06d 100644
--- a/test/mjsunit/regress/json-stringifier-emptyhandle.js
+++ b/test/intl/date-format/protected-icu-internals.js
@@ -25,20 +25,25 @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
+// Internal object we got from native code should not be writable,
+// configurable or enumerable. One can still change its public properties, but
+// we don't use them to do actual work.
 
-function explode() {
-  var array = [1,2,3];
+var format = new Intl.DateTimeFormat([]);
 
-  Object.defineProperty(array, 4, {
-    get: function () { throw "dynamite"; },
-  });
+// Direct write should fail.
+format.formatter = {'zzz':'some random object'};
 
-  JSON.stringify(array);
-}
+assertFalse(format.formatter.hasOwnProperty('zzz'));
 
+// Try redefining the property.
+var didThrow = false;
 try {
-  explode();
-  assertUnreachable();
+  Object.defineProperty(format, 'formatter', {value: undefined});
 } catch(e) {
-  assertEquals("dynamite", e);
+  didThrow = true;
 }
+assertTrue(didThrow);
+
+// Try deleting the property.
+assertFalse(delete format.formatter);