Reland (and fix) "Add hydrogen support for ArrayPop, and remove the handwritten call stubs."

BUG=
R=mvstanton@chromium.org

Review URL: https://codereview.chromium.org/144913003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@18749 ce2b1a6d-e550-0410-aec6-3dcde31c8c00