I regressed this when I moved console to JavaScriptCore. We are accidentally reporting console.warn as MessageLevel::Error instead of MessageLevel::Warning. Take this opportunity to add a test, and update the fronted to use our enums instead of raw strings.
<rdar://problem/16463548>
Created attachment 228098 [details] [PATCH] Proposed Fix
Comment on attachment 228098 [details] [PATCH] Proposed Fix Clearing flags on attachment: 228098 Committed r166439: <http://trac.webkit.org/changeset/166439>
All reviewed patches have been landed. Closing bug.