[Webkit-unassigned] [Bug 70857] New: Scrolling the HTML spec is more jerky now than it was (regression)

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=70857

           Summary: Scrolling the HTML spec is more jerky now than it was
                    (regression)
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
               URL: http://whatwg.org/html#window
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: CSS
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: ian at hixie.ch
                CC: hyatt at apple.com
            Blocks: 66887


Between r94906 and r94871, probably at r94887 (bug 66887) the HTML spec became slow to scroll.

STEPS TO REPRODUCE
1. Load http://whatwg.org/html
2. Wait. It's a 5MB file, it takes a while to load.
3. When you're sure it's loaded, drag the scrollbar thumb to the middle of the page.
4. Hit the space bar a few times.
5. Wait for the popup to fade-in in the margin.
6. Hit the space bar again.

ACTUAL RESULTS
Scrolling is not immediate.

EXPECTED RESULTS (and results prior to this regression)
Scrolling is always smooth.

-- 
Configure bugmail: https://bugs.webkit.org/userprefs.cgi?tab=email
------- You are receiving this mail because: -------
You are the assignee for the bug.