[Webkit-unassigned] [Bug 30361] New: Don't display vertical scrollbar when list item slightly overflows

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=30361

           Summary: Don't display vertical scrollbar when list item
                    slightly overflows
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
        OS/Version: All
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: WebCore Misc.
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: victorw at chromium.org


See attached screenshots.

IE does not display vertical scroll bar if the text item overflows;

Firfox does not display scroll bar for most cases unless the total number of
lines > certain threshold. The scroll bar does not seem help much when it is
displayed (see the last screenshot in attached image).

Webkit displays a scroll bar with > 0 pixel overflow.

On Windows, real-world page that's affected:
http://de.news.yahoo.com/wirtschaft.html,
see text in right navigation strip saying "Wirtschaft: Alle Videos »" that has
an
unnecessary scrollbar.

It happens this real-world page display fine on Mac because of the text font
height
difference between Win and Mac. Try attached html to see how the vertical
scrollbar
displays on mac.

In this case, the scroll bar does not seem very helpful and the IE behavior
looks better to me, think we should remove the scroll bar for list item.

see bug for more info: https://bugs.webkit.org/show_bug.cgi?id=24434

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