Disallow cast/implicit conversion from LayoutUnit to int/unsigned

third_party/WebKit/Source/core/layout/shapes/RasterShape.cpp

 /*
  * Copyright (C) 2013 Adobe Systems Incorporated. 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 notice, this list of conditions and the following
  *    disclaimer.
@@ skipping 139 matching lines @@
 
     return *m_marginIntervals;
 }
 
 LineSegment RasterShape::getExcludedInterval(LayoutUnit logicalTop, LayoutUnit logicalHeight) const
 {
     const RasterShapeIntervals& intervals = marginIntervals();
     if (intervals.isEmpty())
         return LineSegment();
 
-    int y1 = logicalTop;
-    int y2 = logicalTop + logicalHeight;
+    int y1 = logicalTop.toInt();
+    int y2 = (logicalTop + logicalHeight).toInt();
     ASSERT(y2 >= y1);
     if (y2 < intervals.bounds().y() || y1 >= intervals.bounds().maxY())
         return LineSegment();
 
     y1 = std::max(y1, intervals.bounds().y());
     y2 = std::min(y2, intervals.bounds().maxY());
     IntShapeInterval excludedInterval;
 
     if (y1 == y2) {
         excludedInterval = intervals.intervalAt(y1);
     } else {
         for (int y = y1; y < y2; y++)
             excludedInterval.unite(intervals.intervalAt(y));
     }
 
     // Note: |marginIntervals()| returns end-point exclusive
     // intervals. |excludedInterval.x2()| contains the left-most pixel
     // offset to the right of the calculated union.
     return LineSegment(excludedInterval.x1(), excludedInterval.x2());
 }
 
 } // namespace blink