Disallow cast/implicit conversion from LayoutUnit to int/unsigned

third_party/WebKit/Source/core/layout/LayoutReplaced.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2000 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2006, 2007 Apple Inc. All rights reserved.
  * Copyright (C) Research In Motion Limited 2011-2012. 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 303 matching lines @@
         // Solve for 'margin-right'
         marginLogicalRightAlias = availableSpace - (logicalLeftValue + logicalRightValue + marginLogicalLeftAlias);
     } else {
         // Nothing is 'auto', just calculate the values.
         marginLogicalLeftAlias = valueForLength(marginLogicalLeft, containerRelativeLogicalWidth);
         marginLogicalRightAlias = valueForLength(marginLogicalRight, containerRelativeLogicalWidth);
         logicalRightValue = valueForLength(logicalRight, containerLogicalWidth);
         logicalLeftValue = valueForLength(logicalLeft, containerLogicalWidth);
         // If the containing block is right-to-left, then push the left position as far to the right as possible
         if (containerDirection == RTL) {
-            int totalLogicalWidth = computedValues.m_extent + logicalLeftValue + logicalRightValue +  marginLogicalLeftAlias + marginLogicalRightAlias;
+            int totalLogicalWidth = (computedValues.m_extent + logicalLeftValue + logicalRightValue +  marginLogicalLeftAlias + marginLogicalRightAlias).toInt();
             logicalLeftValue = containerLogicalWidth - (totalLogicalWidth - logicalLeftValue);
         }
     }
 
     /*-----------------------------------------------------------------------*\
      * 6. If at this point the values are over-constrained, ignore the value
      *    for either 'left' (in case the 'direction' property of the
      *    containing block is 'rtl') or 'right' (in case 'direction' is
      *    'ltr') and solve for that value.
     \*-----------------------------------------------------------------------*/
@@ skipping 425 matching lines @@
 }
 
 void LayoutReplaced::IntrinsicSizingInfo::transpose()
 {
     size = size.transposedSize();
     aspectRatio = aspectRatio.transposedSize();
     std::swap(hasWidth, hasHeight);
 }
 
 } // namespace blink