Rollback trunk to bleeding_edge revision 12525

R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/11035053

git-svn-id: http://v8.googlecode.com/svn/trunk@12661 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
198 files changed