This info is needed for client to decide whether the popup should be blocked.
Created attachment 198132 [details] Patch
Comment on attachment 198132 [details] Patch LGTM.
Comment on attachment 198132 [details] Patch Clearing flags on attachment: 198132 Committed r148451: <http://trac.webkit.org/changeset/148451>
All reviewed patches have been landed. Closing bug.