Fix panic when tables having position:sticky

We no longer do any stacking context or clip node creation for table
wrappers, instead relying on their TableFlows to do this.

1 files changed, 2 insertions, 2 deletions

diff --git a/components/layout/table_rowgroup.rs b/components/layout/table_rowgroup.rs
index aabc56b8e54..ee596d45525 100644
--- a/components/layout/table_rowgroup.rs
+++ b/components/layout/table_rowgroup.rs
@@ -10,7 +10,7 @@ use app_units::Au;
 use block::{BlockFlow, ISizeAndMarginsComputer};
 use context::LayoutContext;
 use display_list_builder::{BlockFlowDisplayListBuilding, DisplayListBuildState};
-use display_list_builder::{EstablishContainingBlock, StackingContextCollectionState};
+use display_list_builder::{NEVER_CREATES_CONTAINING_BLOCK, StackingContextCollectionState};
 use euclid::Point2D;
 use flow::{Flow, FlowClass, OpaqueFlow};
 use fragment::{Fragment, FragmentBorderBoxIterator, Overflow};
@@ -184,7 +184,7 @@ impl Flow for TableRowGroupFlow {
     }
 
     fn collect_stacking_contexts(&mut self, state: &mut StackingContextCollectionState) {
-        self.block_flow.collect_stacking_contexts_for_block(state, EstablishContainingBlock::No);
+        self.block_flow.collect_stacking_contexts_for_block(state, NEVER_CREATES_CONTAINING_BLOCK);
     }
 
     fn repair_style(&mut self, new_style: &::ServoArc<ComputedValues>) {