[Qt] Don't update further the viewport size if the later is empty.
Created attachment 145815 [details] Patch
Created attachment 145816 [details] Patch
Created attachment 145820 [details] Patch
Comment on attachment 145820 [details] Patch Clearing flags on attachment: 145820 Committed r119497: <http://trac.webkit.org/changeset/119497>
All reviewed patches have been landed. Closing bug.
Comment on attachment 145816 [details] Patch r=me