[Webkit-unassigned] [Bug 136890] New: Iframe contents cannot be scrolled using a mouse if display = 'none' has been applied

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=136890

           Summary: Iframe contents cannot be scrolled using a mouse if
                    display = 'none' has been applied
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Macintosh Intel
        OS/Version: Mac OS X 10.9
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: New Bugs
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: aquamme at fbsdata.com


After applying then removing the display value of 'none' to an iframe, mouse scrolling doesn't work. Once focus is given to the iframe the frame can be navigated with keyboard controls, but mouse scrolling remains nonfunctional. 

Workaround : changing the size of the frame restores correct behavior.

A test case has been provided in the attached file.

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