Disallow cast/implicit conversion from LayoutUnit to int/unsigned

third_party/WebKit/Source/core/input/EventHandler.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2012 Digia Plc. and/or its subsidiary(-ies)
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
@@ skipping 455 matching lines @@
             FrameView* mainView = mainFrame->view();
             if (frameView && mainView) {
                 IntPoint mainFramePoint = mainView->rootFrameToContents(frameView->contentsToRootFrame(roundedIntPoint(point)));
                 return mainFrame->eventHandler().hitTestResultAtPoint(mainFramePoint, hitType, padding);
             }
         }
     }
 
     // hitTestResultAtPoint is specifically used to hitTest into all frames, thus it always allows child frame content.
     HitTestRequest request(hitType | HitTestRequest::AllowChildFrameContent);
-    HitTestResult result(request, point, padding.height(), padding.width(), padding.height(), padding.width());
+    HitTestResult result(request, point, padding.height().toUnsigned(), padding.width().toUnsigned(), padding.height().toUnsigned(), padding.width().toUnsigned());
 
     // LayoutView::hitTest causes a layout, and we don't want to hit that until the first
     // layout because until then, there is nothing shown on the screen - the user can't
     // have intentionally clicked on something belonging to this page. Furthermore,
     // mousemove events before the first layout should not lead to a premature layout()
     // happening, which could show a flash of white.
     // See also the similar code in Document::prepareMouseEvent.
     if (m_frame->contentLayoutItem().isNull() || !m_frame->view() || !m_frame->view()->didFirstLayout())
         return result;
 
@@ skipping 2113 matching lines @@
 
 FrameHost* EventHandler::frameHost() const
 {
     if (!m_frame->page())
         return nullptr;
 
     return &m_frame->page()->frameHost();
 }
 
 } // namespace blink