Collapse the API surface on WebInputEvent via accessor functions.

third_party/WebKit/Source/core/events/MouseEvent.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 177 matching lines @@
     AbstractView* abstractView,
     PlatformMouseEvent::SyntheticEventType syntheticEventType,
     const String& region,
     const WebMouseEvent& event)
     : UIEventWithKeyState(
           eventType,
           canBubble,
           cancelable,
           abstractView,
           0,
-          static_cast<PlatformEvent::Modifiers>(event.modifiers),
-          TimeTicks::FromSeconds(event.timeStampSeconds),
+          static_cast<PlatformEvent::Modifiers>(event.modifiers()),
+          TimeTicks::FromSeconds(event.timeStampSeconds()),
           syntheticEventType == PlatformMouseEvent::FromTouch
               ? InputDeviceCapabilities::firesTouchEventsSourceCapabilities()
               : InputDeviceCapabilities::
                     doesntFireTouchEventsSourceCapabilities()),
       m_screenLocation(event.globalX, event.globalY),
       m_movementDelta(flooredIntPoint(event.movementInRootFrame())),
       m_positionType(syntheticEventType == PlatformMouseEvent::Positionless
                          ? PositionType::Positionless
                          : PositionType::Position),
       m_button(0),
-      m_buttons(platformModifiersToButtons(event.modifiers)),
+      m_buttons(platformModifiersToButtons(event.modifiers())),
       m_syntheticEventType(syntheticEventType),
       m_region(region) {
   IntPoint rootFrameCoordinates = flooredIntPoint(event.positionInRootFrame());
   initCoordinatesFromRootFrame(rootFrameCoordinates.x(),
                                rootFrameCoordinates.y());
 }
 
 MouseEvent::MouseEvent(
     const AtomicString& eventType,
     bool canBubble,
@@ skipping 378 matching lines @@
 
 int MouseEvent::offsetY() {
   if (!hasPosition())
     return 0;
   if (!m_hasCachedRelativePosition)
     computeRelativePosition();
   return std::round(m_offsetLocation.y());
 }
 
 }  // namespace blink