Add scrolling tree logging to RemoteLayerTree output
Sample output: (scrolling state tree (has changed properties 1) (has new root node 0) (node 3 (type frame-scrolling) (children (node 4 (type overflow-scrolling) (scroll-position (0,157)) (children (node 5 (type sticky) (sticky position-at-last-layout width=0 height=-113) (layer-position-at-last-layout (0,447))))))))
Created attachment 230968 [details] Patch
(In reply to comment #1) > Sample output: > (scrolling state tree > (has changed properties 1) > (has new root node 0) > (node 3 > (type frame-scrolling) > (children > (node 4 > (type overflow-scrolling) > (scroll-position (0,157)) > (children > (node 5 > (type sticky) > (sticky position-at-last-layout width=0 height=-113) I think there should be a dash between sticky and position. > (layer-position-at-last-layout (0,447))))))))
https://trac.webkit.org/r168433