Use SOFT_LINK_POINTER_OPTIONAL so we don't ASSERT when the symbol isn't found.
<rdar://problem/17473879>
Created attachment 234000 [details] Proposed patch.
Comment on attachment 234000 [details] Proposed patch. r=me.
Comment on attachment 234000 [details] Proposed patch. Clearing flags on attachment: 234000 Committed r170545: <http://trac.webkit.org/changeset/170545>
All reviewed patches have been landed. Closing bug.