Use a better parameter name for Document.getElementsByClassName. The spec says "classNames" since it is a space separate list of class names. "tagnames" just sounds like a copy/paste error.
Created attachment 248805 [details] [PATCH] Proposed Fix
Comment on attachment 248805 [details] [PATCH] Proposed Fix r=me
Comment on attachment 248805 [details] [PATCH] Proposed Fix Clearing flags on attachment: 248805 Committed r181657: <http://trac.webkit.org/changeset/181657>
All reviewed patches have been landed. Closing bug.