[Webkit-unassigned] [Bug 265761] New: When repainting after layout, compute the outline bounds in the same pass as the clipped overflow rect

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=265761

            Bug ID: 265761
           Summary: When repainting after layout, compute the outline
                    bounds in the same pass as the clipped overflow rect
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: simon.fraser at apple.com
                CC: bfulgham at webkit.org, simon.fraser at apple.com,
                    zalan at apple.com

Currently repaints originating in RenderElement::repaintAfterLayoutIfNeeded() are computing using two rectangles: the clippedOverflowRect, and the outlineBoundsForRepaint. These are computed in two separate ancestor traversals, but we can make things more efficient by computing them at the same time.

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