Remove Event.relatedTargetScoped and update event path calculation for relatedTarget

third_party/WebKit/Source/core/events/MouseRelatedEvent.cpp

 /*
  * 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, 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 33 matching lines @@
     LocalFrame* frame = toLocalDOMWindow(abstractView)->frame();
     if (!frame)
         return LayoutSize();
     FrameView* frameView = frame->view();
     if (!frameView)
         return LayoutSize();
     float scaleFactor = frame->pageZoomFactor();
     return LayoutSize(frameView->scrollX() / scaleFactor, frameView->scrollY() / scaleFactor);
 }
 
-MouseRelatedEvent::MouseRelatedEvent(const AtomicString& eventType, bool canBubble, bool cancelable, EventTarget* relatedTarget,
+MouseRelatedEvent::MouseRelatedEvent(const AtomicString& eventType, bool canBubble, bool cancelable,
     AbstractView* abstractView, int detail, const IntPoint& screenLocation,
     const IntPoint& rootFrameLocation, const IntPoint& movementDelta, PlatformEvent::Modifiers modifiers,
     double platformTimeStamp, PositionType positionType, InputDeviceCapabilities* sourceCapabilities)
-    : UIEventWithKeyState(eventType, canBubble, cancelable, relatedTarget, abstractView, detail, modifiers, platformTimeStamp, sourceCapabilities)
+    : UIEventWithKeyState(eventType, canBubble, cancelable, abstractView, detail, modifiers, platformTimeStamp, sourceCapabilities)
     , m_screenLocation(screenLocation)
     , m_movementDelta(movementDelta)
     , m_positionType(positionType)
 {
     LayoutPoint adjustedPageLocation;
     LayoutPoint scrollPosition;
 
     LocalFrame* frame = view() && view()->isLocalDOMWindow() ? toLocalDOMWindow(view())->frame() : nullptr;
     if (frame && hasPosition()) {
         if (FrameView* frameView = frame->view()) {
@@ skipping 165 matching lines @@
     // See Microsoft documentation and <http://www.quirksmode.org/dom/w3c_events.html>.
     return m_clientLocation.y();
 }
 
 DEFINE_TRACE(MouseRelatedEvent)
 {
     UIEventWithKeyState::trace(visitor);
 }
 
 } // namespace blink