Prepare push to trunk.  Now working on version 3.16.4.

R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/11778065

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@13345 ce2b1a6d-e550-0410-aec6-3dcde31c8c00