Fix Date.prototype.toISOString for NaN dates and add milliseconds for compatibility with Safari.
Fix Date.prototype.toISOString for NaN dates and add milliseconds for
compatibility with Safari.

Review URL: http://codereview.chromium.org/543056

git-svn-id: b158db1e4b4ab85d4c9e510fdef4b1e8c614b15b@3601 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

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