There is not caller that calls setShowDebugBorder() and setShowRepaintCounter() of CoordinatedLayerTreeHost::m_nonCompositedContentLayer. So we can not see the debug border/repaint count of the non composited layer yet.
Created attachment 185682 [details] Patch
Created attachment 185743 [details] Patch
Comment on attachment 185743 [details] Patch This is pretty trivial, LGTM.
Comment on attachment 185743 [details] Patch Clearing flags on attachment: 185743 Committed r141412: <http://trac.webkit.org/changeset/141412>
All reviewed patches have been landed. Closing bug.