[Webkit-unassigned] [Bug 109230] REGRESSION(r130089): Scrollbar thumb no longer re-rendered on hover

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=109230





--- Comment #16 from Nils Barth <nbarth at chromium.org>  2013-02-22 05:58:23 PST ---
Just uploaded a reftest.

Looked into this a bit -- as Mihai notes, this looks to be a *re-rendering* issue.
Hover correctly updates the CSS (per DOM Inspector), but the scrollbar thumb pseudo-element isn't re-rendered.
This also affects the scrollbar (background) itself; it's not something special to the thumb.

Dimitri, as you wrote the patch fixing the earlier bug, you're naturally best-placed to address this, but if you'd like me to look into it further I'd be happy to.
(Writing the reftest didn't require understanding what's going on under the hood, so that was easy enough.)

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