Disallow cast/implicit conversion from LayoutUnit to int/unsigned

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

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Publicw
  * 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
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
@@ skipping 30 matching lines @@
 }
 
 LayoutSlider::~LayoutSlider()
 {
 }
 
 int LayoutSlider::baselinePosition(FontBaseline, bool /*firstLine*/, LineDirectionMode, LinePositionMode linePositionMode) const
 {
     ASSERT(linePositionMode == PositionOnContainingLine);
     // FIXME: Patch this function for writing-mode.
-    return size().height() + marginTop();
+    return (size().height() + marginTop()).toInt();
 }
 
 void LayoutSlider::computeIntrinsicLogicalWidths(LayoutUnit& minLogicalWidth, LayoutUnit& maxLogicalWidth) const
 {
     maxLogicalWidth = LayoutUnit(defaultTrackLength * style()->effectiveZoom());
     if (!style()->width().hasPercent())
         minLogicalWidth = maxLogicalWidth;
 }
 
 inline SliderThumbElement* LayoutSlider::sliderThumbElement() const
@@ skipping 11 matching lines @@
 
     LayoutFlexibleBox::layout();
 }
 
 bool LayoutSlider::inDragMode() const
 {
     return sliderThumbElement()->active();
 }
 
 } // namespace blink