Rip out unused inner_scope_contains_with flag

R=marja@chromium.org
BUG=

Review URL: https://codereview.chromium.org/349033006

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22096 ce2b1a6d-e550-0410-aec6-3dcde31c8c00