Rollback trunk to 3.21.16.2

R=danno@chromium.org
BUG=

Review URL: https://codereview.chromium.org/24205004

git-svn-id: http://v8.googlecode.com/svn/trunk@16796 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
118 files changed