Original issue's description:
> Don't compile functions in a context the caller doesn't have access to
>
> Instead just return undefined
>
> A side effect of this is that it's no longer possible to compile
> functions in a detached context.
>
> BUG=chromium:541703
> R=verwaest@chromium.org,bmeurer@chromium.org

BUG=chromium:541703
R=verwaest@chromium.org

Review-Url: https://codereview.chromium.org/2143893005
Cr-Commit-Position: refs/heads/master@{#37756}