253974 2023-03-15 11:32:26 -0700 [UI-side compositing] Move repositioning the header and footer layer to the scrolling tree 2023-03-15 11:33:00 -0700 1 1 1 Unclassified WebKit Layout and Rendering WebKit Nightly Build Unspecified Unspecified NEW https://bugs.webkit.org/show_bug.cgi?id=253554 InRadar P2 Normal --- 1 sabouhallawa webkit-unassigned bfulgham simon.fraser webkit-bug-importer zalan oldest_to_newest 1941603 0 sabouhallawa 2023-03-15 11:32:26 -0700 This is a followup of 261597@main. We need to push the header/footer layers onto the scrolling tree in the UI process so that ScrollingTreeFrameScrollingNodeMac::repositionRelatedLayers() can reposition them on scrolling. 1941604 1 webkit-bug-importer 2023-03-15 11:33:00 -0700 <rdar://problem/106765020>