1 files changed, 16 insertions, 0 deletions
diff --git a/components/layout_thread/dom_wrapper.rs b/components/layout_thread/dom_wrapper.rs
index 5c5fc4be052..55bacd037cb 100644
--- a/components/layout_thread/dom_wrapper.rs
+++ b/components/layout_thread/dom_wrapper.rs
@@ -659,6 +659,14 @@ impl<'le> ::selectors::Element for ServoLayoutElement<'le> {
         }
     }
 
+    fn parent_node_is_shadow_root(&self) -> bool {
+        false
+    }
+
+    fn containing_shadow_host(&self) -> Option<Self> {
+        None
+    }
+
     fn first_child_element(&self) -> Option<ServoLayoutElement<'le>> {
         self.as_node().dom_children().filter_map(|n| n.as_element()).next()
     }
@@ -1199,6 +1207,14 @@ impl<'le> ::selectors::Element for ServoThreadSafeLayoutElement<'le> {
         None
     }
 
+    fn parent_node_is_shadow_root(&self) -> bool {
+        false
+    }
+
+    fn containing_shadow_host(&self) -> Option<Self> {
+        None
+    }
+
     fn first_child_element(&self) -> Option<Self> {
         warn!("ServoThreadSafeLayoutElement::first_child_element called");
         None