[GTK] Remove unused code in LayerTreeHostGtk.
Created attachment 149242 [details] Patch
Created attachment 149243 [details] patch v.2
Comment on attachment 149243 [details] patch v.2 Okay.
Comment on attachment 149243 [details] patch v.2 Clearing flags on attachment: 149243 Committed r121142: <http://trac.webkit.org/changeset/121142>
All reviewed patches have been landed. Closing bug.