1 files changed, 6 insertions, 0 deletions
diff --git a/dom/base/FragmentOrElement.h b/dom/base/FragmentOrElement.h
index 3cb5575fe..1cd8033bb 100644
--- a/dom/base/FragmentOrElement.h
+++ b/dom/base/FragmentOrElement.h
@@ -24,6 +24,7 @@
 
 class ContentUnbinder;
 class nsContentList;
+class nsLabelsNodeList;
 class nsDOMAttributeMap;
 class nsDOMTokenList;
 class nsIControllers;
@@ -313,6 +314,11 @@ public:
      */
     RefPtr<nsDOMTokenList> mClassList;
 
+    /*
+     * An object implementing the .labels property for this element.
+     */
+    RefPtr<nsLabelsNodeList> mLabelsList;
+
     /**
      * ShadowRoot bound to the element.
      */