Disallow cast/implicit conversion from LayoutUnit to int/unsigned

third_party/WebKit/Source/core/events/MouseRelatedEvent.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 Apple Computer, Inc.
  *
  * 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 27 matching lines @@
         Position,
         // Positionless mouse events are used, for example, for 'click' events from keyboard input.
         // It's kind of surprising for a mouse event not to have a position.
         Positionless
     };
     // Note that these values are adjusted to counter the effects of zoom, so that values
     // exposed via DOM APIs are invariant under zooming.
     int screenX() const { return m_screenLocation.x(); }
     int screenY() const { return m_screenLocation.y(); }
     const IntPoint& screenLocation() const { return m_screenLocation; }
-    int clientX() const { return m_clientLocation.x(); }
-    int clientY() const { return m_clientLocation.y(); }
-    int movementX() const { return m_movementDelta.x(); }
-    int movementY() const { return m_movementDelta.y(); }
+    int clientX() const { return m_clientLocation.x().toInt(); }
+    int clientY() const { return m_clientLocation.y().toInt(); }
+    int movementX() const { return m_movementDelta.x().toInt(); }
+    int movementY() const { return m_movementDelta.y().toInt(); }
     const LayoutPoint& clientLocation() const { return m_clientLocation; }
     int layerX();
     int layerY();
     int offsetX();
     int offsetY();
     int pageX() const;
     int pageY() const;
     int x() const;
     int y() const;
     bool hasPosition() const { return m_positionType == PositionType::Position; }
@@ skipping 32 matching lines @@
     LayoutPoint m_layerLocation;
     LayoutPoint m_offsetLocation;
     LayoutPoint m_absoluteLocation;
     PositionType m_positionType;
     bool m_hasCachedRelativePosition;
 };
 
 } // namespace blink
 
 #endif // MouseRelatedEvent_h