We used the wrong heap space number when reading in code chunks (we
used LO_SPACE, should use kLargeCode).

Review URL: http://codereview.chromium.org/6670083

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@7213 ce2b1a6d-e550-0410-aec6-3dcde31c8c00