While typing in a multi line input field, the automatic scroll adjustments scroll the viewport partially off the page, then another scroll adjustment animates it right after.
Created attachment 177574 [details] Patch
Comment on attachment 177574 [details] Patch Ok.
Comment on attachment 177574 [details] Patch Clearing flags on attachment: 177574 Committed r136621: <http://trac.webkit.org/changeset/136621>
All reviewed patches have been landed. Closing bug.