diff --git a/components/layout/wrapper.rs b/components/layout/wrapper.rs
index 88c001ca4d6..5c81c5c1fb5 100644
--- a/components/layout/wrapper.rs
+++ b/components/layout/wrapper.rs
@@ -79,6 +79,8 @@ pub trait LayoutNode: TNode {
     /// Returns the type ID of this node.
     fn type_id(&self) -> NodeTypeId;
 
+    fn get_style_data(&self) -> Option<&RefCell<PartialStyleAndLayoutData>>;
+
     /// Similar to borrow_data*, but returns the full PrivateLayoutData rather
     /// than only the PrivateStyleData.
     unsafe fn borrow_layout_data_unchecked(&self) -> Option<*const PrivateLayoutData>;
@@ -292,6 +294,14 @@ impl<'ln> LayoutNode for ServoLayoutNode<'ln> {
         }
     }
 
+    fn get_style_data(&self) -> Option<&RefCell<PartialStyleAndLayoutData>> {
+        unsafe {
+            self.get_jsmanaged().get_style_and_layout_data().map(|d| {
+                &**d.ptr
+            })
+        }
+    }
+
     unsafe fn borrow_layout_data_unchecked(&self) -> Option<*const PrivateLayoutData> {
         self.get_jsmanaged().get_style_and_layout_data().map(|opaque| {
             let container = *opaque.ptr as NonOpaqueStyleAndLayoutData;
@@ -932,6 +942,8 @@ pub trait ThreadSafeLayoutNode: Clone + Copy + Sized + PartialEq {
     fn layer_id_for_overflow_scroll(&self) -> LayerId {
         LayerId::new_of_type(LayerType::OverflowScroll, self.opaque().id() as usize)
     }
+
+    fn get_style_data(&self) -> Option<&RefCell<PartialStyleAndLayoutData>>;
 }
 
 // This trait is only public so that it can be implemented by the gecko wrapper.
@@ -1159,6 +1171,10 @@ impl<'ln> ThreadSafeLayoutNode for ServoThreadSafeLayoutNode<'ln> {
             self.get_jsmanaged().downcast::<Element>().unwrap().get_colspan()
         }
     }
+
+    fn get_style_data(&self) -> Option<&RefCell<PartialStyleAndLayoutData>> {
+        self.node.get_style_data()
+    }
 }
 
 pub struct ThreadSafeLayoutNodeChildrenIterator<ConcreteNode: ThreadSafeLayoutNode> {