1 files changed, 5 insertions, 1 deletions
diff --git a/components/layout_thread/dom_wrapper.rs b/components/layout_thread/dom_wrapper.rs
index 6433b9f163d..ebf7d12cbae 100644
--- a/components/layout_thread/dom_wrapper.rs
+++ b/components/layout_thread/dom_wrapper.rs
@@ -213,6 +213,10 @@ impl<'ln> TNode for ServoLayoutNode<'ln> {
         unsafe { self.node.get_flag(NodeFlags::CAN_BE_FRAGMENTED) }
     }
 
+    fn is_in_document(&self) -> bool {
+        unsafe { self.node.get_flag(NodeFlags::IS_IN_DOC) }
+    }
+
     unsafe fn set_can_be_fragmented(&self, value: bool) {
         self.node.set_flag(NodeFlags::CAN_BE_FRAGMENTED, value)
     }
@@ -417,7 +421,7 @@ impl<'le> TElement for ServoLayoutElement<'le> {
     }
 
     unsafe fn set_dirty_descendants(&self) {
-        debug_assert!(self.as_node().node.get_flag(NodeFlags::IS_IN_DOC));
+        debug_assert!(self.as_node().is_in_document());
         self.as_node().node.set_flag(NodeFlags::HAS_DIRTY_DESCENDANTS, true)
     }