Avoid unnecessary String constructions in IdentifiersFactory.cpp.
Created attachment 456718 [details] Patch
Comment on attachment 456718 [details] Patch r=me
Committed r292428 (249287@main): <https://commits.webkit.org/249287@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 456718 [details].
<rdar://problem/91317060>