http://trac.webkit.org/browser/trunk/LayoutTests/platform/mac/fast/replaced/width100percent-textarea-expected.png Scrollbars are overlapping on each other. We should fix that.
Also, it appears that this a regression from http://trac.webkit.org/changeset/41742: http://trac.webkit.org/changeset/41742/trunk/LayoutTests/platform/mac/fast/replaced/width100percent-textarea-expected.png http://trac.webkit.org/log/trunk/LayoutTests/platform/mac/fast/replaced/width100percent-textarea-expected.png Not sure if that patch's fault or not.