Dispatch synthetic events even when target and relatedTarget are identical

third_party/WebKit/Source/core/events/EventPath.h

Index: third_party/WebKit/Source/core/events/EventPath.h
diff --git a/third_party/WebKit/Source/core/events/EventPath.h b/third_party/WebKit/Source/core/events/EventPath.h
index 1eefb91b26817476c6ae7ceac514e24c16a219ba..544c77f7a85d51ac9c7eb4344d5a9c294f36c1a7 100644
--- a/third_party/WebKit/Source/core/events/EventPath.h
+++ b/third_party/WebKit/Source/core/events/EventPath.h
@@ -91,6 +91,10 @@ class CORE_EXPORT EventPath final : public GarbageCollected<EventPath> {
   void calculateAdjustedTargets();
   void calculateTreeOrderAndSetNearestAncestorClosedTree();
 
+  bool shouldStopEventPath(EventTarget& currentTarget,
+                           EventTarget& currentRelatedTarget,
+                           const Node& target);
+
   void shrink(size_t newSize) {
     DCHECK(!m_windowEventContext);
     m_nodeEventContexts.shrink(newSize);
@@ -98,7 +102,7 @@ class CORE_EXPORT EventPath final : public GarbageCollected<EventPath> {
 
   void retargetRelatedTarget(const Node& relatedTargetNode);
 
-  void shrinkForRelatedTarget(const Node& target, const Node& relatedTarget);
+  void shrinkForRelatedTarget(const Node& target);
 
   void adjustTouchList(const TouchList*,
                        HeapVector<Member<TouchList>> adjustedTouchList,