[Webkit-unassigned] [Bug 111977] New: Growing a position:absolute element in a position:relative one in a table does not update scrollHeight

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=111977

           Summary: Growing a position:absolute element in a
                    position:relative one in a table does not update
                    scrollHeight
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: webkit.org at masklinn.net


Created an attachment (id=192447)
 --> (https://bugs.webkit.org/attachment.cgi?id=192447&action=review)
Test case for growing the element by setting its height

* An element in position: absolute inside an element in posiiton: relative inside a table structure (table > tr > td)
* The element is programmatically grown either explicitly (.style.height) or by adding sub-elements
* The element's height results in it growing out of the current viewport

Expected: a scrollbar appears on the page to see the bottom of the element's content (works in Opera, Firefox)
Observed: no scrollbar appears (or the scrollbar does not update if there is already one) unless a complete refresh is forced (e.g. by resizing the browser)

JSFiddle test case: http://jsfiddle.net/7v39e/ (click "grow" button to add 100px to the cyan element)
See also attachment test cases.

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