1 files changed, 4 insertions, 1 deletions
diff --git a/chromium/third_party/blink/renderer/core/intersection_observer/intersection_observer.h b/chromium/third_party/blink/renderer/core/intersection_observer/intersection_observer.h
index 5f6e44ff84e..f1747a98120 100644
--- a/chromium/third_party/blink/renderer/core/intersection_observer/intersection_observer.h
+++ b/chromium/third_party/blink/renderer/core/intersection_observer/intersection_observer.h
@@ -165,10 +165,13 @@ class CORE_EXPORT IntersectionObserver final
   static void SetThrottleDelayEnabledForTesting(bool);
 
  private:
-  void ProcessCustomWeakness(const WeakCallbackInfo&);
+  void ProcessCustomWeakness(const LivenessBroker&);
 
   const Member<IntersectionObserverDelegate> delegate_;
+
+  // We use UntracedMember<> here to do custom weak processing.
   UntracedMember<Node> root_;
+
   HeapLinkedHashSet<WeakMember<IntersectionObservation>> observations_;
   Vector<float> thresholds_;
   DOMHighResTimeStamp delay_;