The namespace and ENABLE guard are closed in the wrong order. See http://trac.webkit.org/browser/trunk/Source/WebCore/bindings/v8/custom/V8IDBKeyCustom.cpp
Created attachment 87159 [details] Patch
Comment on attachment 87159 [details] Patch r=me
Committed r82138: <http://trac.webkit.org/changeset/82138> Steve, I can't close the bug for some reason. Do you mind if you do it? Thanks!
http://trac.webkit.org/changeset/82138 might have broken SnowLeopard Intel Release (Tests)
The bot seems happy now, and this is a compile-time only change, so I'm assuming this was fixed elsewhere.