add uncached Function::New

R=mstarzinger@chromium.org
BUG=

Review URL: https://codereview.chromium.org/23561007

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@16584 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
revert 16584 for breaking build

TBR=mstarzinger@chromium.org
BUG=

Review URL: https://codereview.chromium.org/23680014

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@16585 ce2b1a6d-e550-0410-aec6-3dcde31c8c00