[webkit-changes] [WebKit/WebKit] 3825a9: With UI-side compositing, there is an assertion fa...

[Richard Robinson]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 3825a94eb76346fd3458c9467ae8ec86eff44d98
      https://github.com/WebKit/WebKit/commit/3825a94eb76346fd3458c9467ae8ec86eff44d98
  Author: Richard Robinson <richard_robinson2 at apple.com>
  Date:   2022-11-14 (Mon, 14 Nov 2022)

  Changed paths:
    M Source/WebCore/platform/ScrollTypes.h

  Log Message:
  -----------
  With UI-side compositing, there is an assertion failure in `fast/scrolling/keyboard-scrolling-distance-downArrow.html`
https://bugs.webkit.org/show_bug.cgi?id=247908
rdar://102329463

Reviewed by Simon Fraser.

The `ScrollDirection` enum was never given an `EnumTraits` specialization which
led to a non-valid `ScrollDirection` value being used in a switch statement
and not being handled, therefore leading to an assertion.

* Source/WebCore/platform/ScrollTypes.h:

Canonical link: https://commits.webkit.org/256683@main