Disallow cast/implicit conversion from LayoutUnit to int/unsigned

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

 /**
  * Copyright (C) 2005 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.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 82 matching lines @@
 {
     ASSERT(linePositionMode == PositionOnContainingLine);
     // We want to call the LayoutBlock version of firstLineBoxBaseline to
     // avoid LayoutFlexibleBox synthesizing a baseline that we don't want.
     // We use this check as a proxy for "are there any line boxes in this button"
     if (!hasLineIfEmpty() && LayoutBlock::firstLineBoxBaseline() == -1) {
         // To ensure that we have a consistent baseline when we have no children,
         // even when we have the anonymous LayoutBlock child, we calculate the
         // baseline for the empty case manually here.
         if (direction == HorizontalLine) {
-            return marginTop() + size().height() - borderBottom() - paddingBottom() - horizontalScrollbarHeight();
+            return (marginTop() + size().height() - borderBottom() - paddingBottom() - horizontalScrollbarHeight()).toInt();
         }
-        return marginRight() + size().width() - borderLeft() - paddingLeft() - verticalScrollbarWidth();
+        return (marginRight() + size().width() - borderLeft() - paddingLeft() - verticalScrollbarWidth()).toInt();
     }
     return LayoutFlexibleBox::baselinePosition(baseline, firstLine, direction, linePositionMode);
 }
 
 
 // For compatibility with IE/FF we only clip overflow on input elements.
 bool LayoutButton::hasControlClip() const
 {
     return !isHTMLButtonElement(node());
 }
 } // namespace blink