Disallow cast/implicit conversion from LayoutUnit to int/unsigned

third_party/WebKit/Source/core/page/SpatialNavigation.cpp

 /*
  * Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2009 Antonio Gomes <tonikitoo@webkit.org>
  *
  * All rights reserved.
  *
  * 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
@@ skipping 537 matching lines @@
     // tests and experiments.
     const int orthogonalWeightForLeftRight = 30;
     const int orthogonalWeightForUpDown = 2;
     int orthogonalBias = 0;
 
     switch (type) {
     case WebFocusTypeLeft:
     case WebFocusTypeRight:
         navigationAxisDistance = xAxis;
         if (!rectsIntersectOnOrthogonalAxis(type, currentRect, nodeRect))
-            orthogonalBias = currentRect.height() / 2;
+            orthogonalBias = (currentRect.height() / 2).toInt();
         weightedOrthogonalAxisDistance = (yAxis + orthogonalBias) * orthogonalWeightForLeftRight;
         break;
     case WebFocusTypeUp:
     case WebFocusTypeDown:
         navigationAxisDistance = yAxis;
         if (!rectsIntersectOnOrthogonalAxis(type, currentRect, nodeRect))
-            orthogonalBias = currentRect.width() / 2;
+            orthogonalBias = (currentRect.width() / 2).toInt();
         weightedOrthogonalAxisDistance = (xAxis + orthogonalBias) * orthogonalWeightForUpDown;
         break;
     default:
         ASSERT_NOT_REACHED();
         return;
     }
 
     double euclidianDistancePow2 = (xAxis * xAxis + yAxis * yAxis).toDouble();
     LayoutRect intersectionRect = intersection(currentRect, nodeRect);
     double overlap = (intersectionRect.width() * intersectionRect.height()).toDouble();
@@ skipping 56 matching lines @@
     LayoutRect rect = virtualRectForDirection(type, rectToAbsoluteCoordinates(area.document().frame(), area.computeAbsoluteRect(area.imageElement()->layoutObject())), LayoutUnit(1));
     return rect;
 }
 
 HTMLFrameOwnerElement* frameOwnerElement(FocusCandidate& candidate)
 {
     return candidate.isFrameOwnerElement() ? toHTMLFrameOwnerElement(candidate.visibleNode) : nullptr;
 };
 
 } // namespace blink