Turn interrupt and stack check into builtins.

R=jkummerow@chromium.org
BUG=

Review URL: https://codereview.chromium.org/23480013

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@16444 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Prepare push to trunk.  Now working on version 3.21.8.

R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/23460012

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@16445 ce2b1a6d-e550-0410-aec6-3dcde31c8c00