Remove PlatformWheelEvent and use WebMouseWheelEvent instead

third_party/WebKit/Source/core/events/MouseEvent.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 181 matching lines @@
   // the local frame.
   const DoublePoint& absoluteLocation() const { return m_absoluteLocation; }
 
   DECLARE_VIRTUAL_TRACE();
 
  protected:
   MouseEvent(const AtomicString& type,
              bool canBubble,
              bool cancelable,
              AbstractView*,
+             PlatformMouseEvent::SyntheticEventType,
+             const String& region,
+             const WebMouseEvent&);
+
+  MouseEvent(const AtomicString& type,
+             bool canBubble,
+             bool cancelable,
+             AbstractView*,
              int detail,
              int screenX,
              int screenY,
              int windowX,
              int windowY,
              int movementX,
              int movementY,
              PlatformEvent::Modifiers,
              short button,
              unsigned short buttons,
@@ skipping 20 matching lines @@
                               int screenY,
                               int clientX,
                               int clientY,
                               PlatformEvent::Modifiers,
                               short button,
                               EventTarget* relatedTarget,
                               InputDeviceCapabilities* sourceCapabilities,
                               unsigned short buttons = 0);
 
   void initCoordinates(const double clientX, const double clientY);
+  void initCoordinatesFromRootFrame(int windowX, int windowY);
   void receivedTarget() final;
 
   void computePageLocation();
   void computeRelativePosition();
 
   DoublePoint m_screenLocation;
   DoublePoint m_clientLocation;
   DoublePoint m_movementDelta;
 
   DoublePoint m_pageLocation;
@@ skipping 19 matching lines @@
   MouseEvent& event() const;
 
   DispatchEventResult dispatchEvent(EventDispatcher&) const override;
 };
 
 DEFINE_EVENT_TYPE_CASTS(MouseEvent);
 
 }  // namespace blink
 
 #endif  // MouseEvent_h