This compiles against a given closure instead of the shared function
info, which is a prerequisite for enabling lazy compilation of inner
functions within a closure with non-trivial context.

R=ulan@chromium.org

Review URL: https://chromiumcodereview.appspot.com/10543026

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11731 ce2b1a6d-e550-0410-aec6-3dcde31c8c00