Bug 253974

Summary: [UI-side compositing] Move repositioning the header and footer layer to the scrolling tree
Product: WebKit Reporter: Said Abou-Hallawa <sabouhallawa>
Component: Layout and RenderingAssignee: Nobody <webkit-unassigned>
Status: NEW ---    
Severity: Normal CC: bfulgham, simon.fraser, webkit-bug-importer, zalan
Priority: P2 Keywords: InRadar
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   
See Also: https://bugs.webkit.org/show_bug.cgi?id=253554

Description Said Abou-Hallawa 2023-03-15 11:32:26 PDT
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.
Comment 1 Radar WebKit Bug Importer 2023-03-15 11:33:00 PDT
<rdar://problem/106765020>