[layout, XUL] Avoid accessing invalidated frame.
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6a6db2ef0f
commit
8a7d4550aa
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@ -1826,12 +1826,17 @@ nsTreeBodyFrame::RowCountChanged(int32_t aIndex, int32_t aCount)
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FireRowCountChangedEvent(aIndex, aCount);
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#endif
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nsWeakFrame weakFrame(this);
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// Adjust our selection.
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nsCOMPtr<nsITreeView> view = mView;
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nsCOMPtr<nsITreeSelection> sel;
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mView->GetSelection(getter_AddRefs(sel));
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view->GetSelection(getter_AddRefs(sel));
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if (sel)
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sel->AdjustSelection(aIndex, aCount);
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NS_ENSURE_STATE (weakFrame.IsAlive());
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if (mUpdateBatchNest)
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return NS_OK;
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