Remove Event.relatedTargetScoped and update event path calculation for relatedTarget

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

 /*
  * Copyright (C) 2001 Peter Kelly (pmk@post.com)
  * Copyright (C) 2001 Tobias Anton (anton@stud.fbi.fh-darmstadt.de)
  * Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com)
  * Copyright (C) 2003, 2004, 2005, 2006, 2008 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
@@ skipping 53 matching lines @@
     bool isUIEvent() const final;
 
     virtual int which() const;
 
     DECLARE_VIRTUAL_TRACE();
 
 protected:
     UIEvent();
     // TODO(crbug.com/563542): Remove of this ctor in favor of making platformTimeStamp (and perhaps sourceCapabilities) required in all constructions sites
     UIEvent(const AtomicString& type, bool canBubble, bool cancelable, AbstractView*, int detail, InputDeviceCapabilities* sourceCapabilities = nullptr);
-    UIEvent(const AtomicString& type, bool canBubble, bool cancelable, EventTarget* relatedTarget, AbstractView*, int detail, InputDeviceCapabilities* sourceCapabilities = nullptr);
     UIEvent(const AtomicString& type, bool canBubble, bool cancelable, double platformTimeStamp, AbstractView*, int detail, InputDeviceCapabilities* sourceCapabilities);
-    UIEvent(const AtomicString& eventType, bool canBubbleArg, bool cancelableArg, EventTarget* relatedTarget, double platformTimeStamp, AbstractView* viewArg, int detailArg, InputDeviceCapabilities* sourceCapabilitiesArg);
     UIEvent(const AtomicString&, const UIEventInit&);
 
 private:
     Member<AbstractView> m_view;
     int m_detail;
     Member<InputDeviceCapabilities> m_sourceCapabilities;
 };
 
 } // namespace blink
 
 #endif // UIEvent_h