Fix for smoketest blocker 82194. sr=waterson, r=soemone, go look in the bug
git-svn-id: svn://10.0.0.236/trunk@96192 18797224-902f-48f8-a5cc-f745e15eee43
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@ -688,6 +688,9 @@ nsSliderFrame::CurrentPositionChanged(nsIPresContext* aPresContext)
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// get the thumb's rect
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nsIFrame* thumbFrame = mFrames.FirstChild();
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if (!thumbFrame)
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return NS_OK; // The thumb may stream in asynchronously via XBL.
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nsRect thumbRect;
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thumbFrame->GetRect(thumbRect);
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