[Webkit-unassigned] [Bug 112304] New: Size of box which have css column and text-shadow set is not calculated properly

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=112304

           Summary: Size of box which have css column and text-shadow set
                    is not calculated properly
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
        OS/Version: All
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: New Bugs
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: alice.lieutier at gmail.com


Created an attachment (id=193030)
 --> (https://bugs.webkit.org/attachment.cgi?id=193030&action=review)
reduced test-case

If a div has css columns with column-fill set to balance and this div has a text-shadow, then the size of the div is not calculated properly. The text-shadow should not change the size of the div. e.g:
div {
    -webkit-column-count: 2;
    -webkit-column-fill: balance;
        text-shadow: 0 0 20px blue;
}


Attached is a testcase where a text-shadow is applied on the divs on hover. 

For the third div, the problem is even worse, as when the div is not hovered anymore, the size without text-shadow is not properly calculated either.

I have this problem on mac OS and linux.

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