In the attached test case, the <textarea> and its enclosing table cell seem to have incorrect height. Moreover, the height is not stable: by focusing the pop-up menu repeatedly, additional layout passes can be triggered, which change the height of the <textarea> until it converges.
Created attachment 31273 [details] Test case
This bug affects the bugs.webkit.org review form.
<rdar://problem/6971296>
Created attachment 200526 [details] Patch
Created attachment 201107 [details] Patch
Comment on attachment 201107 [details] Patch r=me
Comment on attachment 201107 [details] Patch Clearing flags on attachment: 201107 Committed r149844: <http://trac.webkit.org/changeset/149844>
All reviewed patches have been landed. Closing bug.