Cannot check the interceptor since it may not be ready yet.

BUG=
R=ishell@chromium.org

Review URL: https://codereview.chromium.org/353143003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22067 ce2b1a6d-e550-0410-aec6-3dcde31c8c00