Bug 453641. Make box-shadow work on tables and table parts. r+sr=roc

layout/tables/nsTableCellFrame.cpp

@@ -446,6 +446,12 @@ nsTableCellFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
       currentItem->UpdateForFrameBackground(this);
     }
 
+    if (GetStyleBorder()->mBoxShadow) {
+      nsDisplayItem* item = new (aBuilder) nsDisplayBoxShadow(this);
+      nsresult rv = aLists.BorderBackground()->AppendNewToTop(item);
+      NS_ENSURE_SUCCESS(rv, rv);
+    }
+
     // display background if we need to.
     if (aBuilder->IsForEventDelivery() ||
         (((!tableFrame->IsBorderCollapse() || isRoot) &&

layout/tables/nsTableFrame.cpp

@@ -1383,6 +1383,14 @@ nsTableFrame::DisplayGenericTablePart(nsDisplayListBuilder* aBuilder,
   NS_ASSERTION(currentItem, "No current table item!");
   currentItem->UpdateForFrameBackground(aFrame);
   
+  // Paint the box-shadow for the table frames
+  if (aFrame->IsVisibleForPainting(aBuilder) &&
+      aFrame->GetStyleBorder()->mBoxShadow) {
+    nsDisplayItem* item = new (aBuilder) nsDisplayBoxShadow(aFrame);
+    nsresult rv = lists->BorderBackground()->AppendNewToTop(item);
+    NS_ENSURE_SUCCESS(rv, rv);
+  }
+
   // Create dedicated background display items per-frame when we're
   // handling events.
   // XXX how to handle collapsed borders?