[Webkit-unassigned] [Bug 87562] New: [BlackBerry] Web page fails to render after clicking link with target=_blank

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=87562

           Summary: [BlackBerry] Web page fails to render after clicking
                    link with target=_blank
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKit BlackBerry
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: anilsson at rim.com
                CC: rwlbuis at gmail.com, tonikitoo at webkit.org


Clicking such a link opens a new tab. The compositor was briefly in
charge of drawing the root layer while the backing store was inactive
and the user was looking at the other tab. The problem was that the
compositor believed it was still painting the root layer even after the
backing store became active again. The flag was not properly cleared
when turning off compositing.

Fixed by returning false from drawsRootLayer() if we don't have a root
layer.

Reviewed internally by Filip Spacek.

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