Port r19001 (4b5aa649)

BUG=
R=plind44@gmail.com

Review URL: https://codereview.chromium.org/151903003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19009 ce2b1a6d-e550-0410-aec6-3dcde31c8c00