Becuase of cross-context calls, hydrogen-based Array constructor needs to ensure
the array constructor pointer passed in matches that of the current context.

BUG=
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/14846017

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@14581 ce2b1a6d-e550-0410-aec6-3dcde31c8c00