Revert "Introduce API to temporarily interrupt long running JavaScript code."

This reverts commit r18363.

Revert "Fix compilation error introduced by r18363."

This reverts commit r18364.

Changes in SCE pass are incompatible with parallel compilation

TBR=dcarney@chromium.org
BUG=

Review URL: https://codereview.chromium.org/101463003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@18365 ce2b1a6d-e550-0410-aec6-3dcde31c8c00