Bug 1081683 - Check for table cells correctly when warning about positioned table parts. r=bz

--HG--
extra : rebase_source : 0c69d17fbfcf3dd1273abf16988c70245522b349

layout/tables/nsTableFrame.cpp

@@ -273,7 +273,7 @@ nsTableFrame::RegisterPositionedTablePart(nsIFrame* aFrame)
   // the potential to break sites that apply 'position: relative' to those
   // parts, expecting nothing to happen. We warn at the console to make tracking
   // down the issue easy.
-  if (nsGkAtoms::tableCellFrame != aFrame->GetType()) {
+  if (!IS_TABLE_CELL(aFrame->GetType())) {
     nsIContent* content = aFrame->GetContent();
     nsPresContext* presContext = aFrame->PresContext();
     if (content && !presContext->HasWarnedAboutPositionedTableParts()) {