[Webkit-unassigned] [Bug 250390] New: Fix scrollbar removal logic in FrameView::computeScrollbarExistence

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=250390

            Bug ID: 250390
           Summary: Fix scrollbar removal logic in
                    FrameView::computeScrollbarExistence
           Product: WebKit
           Version: Safari Technology Preview
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Scrolling
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: ahmad.saleem792 at gmail.com
                CC: simon.fraser at apple.com

Hi Team,

While going through Blink's commit, I came across another failing test case:

Test Case (from Chrome Monorail) - https://jsfiddle.net/m6aLLhur/

^ Try to select "scrollbar" and make it drag and the thumb / scrollbar will jump to bottom (in Safari 16.2) while in Chrome Canary 111 - you can control it.

Blink Commit - https://src.chromium.org/viewvc/blink?view=revision&revision=185555

WebKit Source - https://searchfox.org/wubkat/source/Source/WebKitLegacy/mac/WebView/WebDynamicScrollBarsView.mm#357

Just wanted to raise so we can also fix this bug.

Thanks!

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