1 files changed, 11 insertions, 0 deletions
diff --git a/layout/xul/nsXULPopupManager.h b/layout/xul/nsXULPopupManager.h
index d056322deb..78d2b2648c 100644
--- a/layout/xul/nsXULPopupManager.h
+++ b/layout/xul/nsXULPopupManager.h
@@ -23,6 +23,7 @@
 #include "nsIObserver.h"
 #include "nsThreadUtils.h"
 #include "mozilla/Attributes.h"
+#include "mozilla/FunctionRef.h"
 #include "mozilla/widget/InitData.h"
 #include "mozilla/widget/NativeMenu.h"
 
@@ -551,6 +552,13 @@ class nsXULPopupManager final : public nsIDOMEventListener,
   void UpdatePopupPositions(nsRefreshDriver* aRefreshDriver);
 
   /**
+   * Get the first nsMenuChainItem that is matched by the matching callback
+   * function provided.
+   */
+  nsMenuChainItem* FirstMatchingPopup(
+      mozilla::FunctionRef<bool(nsMenuChainItem*)> aMatcher) const;
+
+  /**
    * Enable or disable anchor following on the popup if needed.
    */
   void UpdateFollowAnchor(nsMenuPopupFrame* aPopup);
@@ -733,6 +741,9 @@ class nsXULPopupManager final : public nsIDOMEventListener,
     return GetRollupItem(RollupKind::Menu);
   }
 
+  // Add the chain item to the chain and update mPopups to point to it.
+  void AddMenuChainItem(mozilla::UniquePtr<nsMenuChainItem>);
+
   // Removes the chain item from the chain and deletes it.
   void RemoveMenuChainItem(nsMenuChainItem*);