Remove Event.relatedTargetScoped and update event path calculation for relatedTarget

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

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Neither the name of Google Inc. nor the names of its
@@ skipping 65 matching lines @@
 
 private:
     EventPath();
 
     void initialize();
     void calculatePath();
     void calculateAdjustedTargets();
     void calculateTreeOrderAndSetNearestAncestorClosedTree();
 
     void shrink(size_t newSize) { ASSERT(!m_windowEventContext); m_nodeEventContexts.shrink(newSize); }
-    void shrinkIfNeeded(const Node& target, const EventTarget& relatedTarget);
+
+    void retargetRelatedTarget(const Node& relatedTargetNode);
+
+    void shrinkForRelatedTarget(const Node& target, const Node& relatedTarget);
 
     void adjustTouchList(const TouchList*, HeapVector<Member<TouchList>> adjustedTouchList, const HeapVector<Member<TreeScope>>& treeScopes);
 
     using TreeScopeEventContextMap = HeapHashMap<Member<TreeScope>, Member<TreeScopeEventContext>>;
     TreeScopeEventContext* ensureTreeScopeEventContext(Node* currentTarget, TreeScope*, TreeScopeEventContextMap&);
 
     using RelatedTargetMap = HeapHashMap<Member<TreeScope>, Member<EventTarget>>;
 
     static void buildRelatedNodeMap(const Node&, RelatedTargetMap&);
     static EventTarget* findRelatedNode(TreeScope&, RelatedTargetMap&);
 
 #if ENABLE(ASSERT)
     static void checkReachability(TreeScope&, TouchList&);
 #endif
 
     const NodeEventContext& topNodeEventContext();
 
     HeapVector<NodeEventContext> m_nodeEventContexts;
     Member<Node> m_node;
     Member<Event> m_event;
     HeapVector<Member<TreeScopeEventContext>> m_treeScopeEventContexts;
     Member<WindowEventContext> m_windowEventContext;
 };
 
 } // namespace blink
 
 #endif