Fix ES5 failure after removing Number/String/Boolean.prototype.toJSON.
Fix ES5 failure after removing Number/String/Boolean.prototype.toJSON.

The failure is that we no longer fail the tests.

Review URL: http://codereview.chromium.org/5896001

git-svn-id: b158db1e4b4ab85d4c9e510fdef4b1e8c614b15b@6028 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

UniversalFuture/moosh,UniversalFuture/moosh,UniversalFuture/moosh,UniversalFuture/moosh