Function allocators, Heap::ReinitializeJSGlobalProxy() and Heap::ReinitializeJSReceiver() handlified. Factory::New<>() added.

R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/237093006

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@20762 ce2b1a6d-e550-0410-aec6-3dcde31c8c00