Disallow cast/implicit conversion from LayoutUnit to int/unsigned

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

 /**
  * This file is part of the theme implementation for form controls in WebCore.
  *
  * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2012 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.
  *
@@ skipping 358 matching lines @@
 
 int LayoutTheme::baselinePosition(const LayoutObject* o) const
 {
     if (!o->isBox())
         return 0;
 
     const LayoutBox* box = toLayoutBox(o);
 
     if (m_platformTheme)
         return box->size().height() + box->marginTop() + m_platformTheme->baselinePositionAdjustment(o->style()->appearance()) * o->style()->effectiveZoom();
-    return box->size().height() + box->marginTop();
+    return (box->size().height() + box->marginTop()).toInt();
 }
 
 bool LayoutTheme::isControlContainer(ControlPart appearance) const
 {
     // There are more leaves than this, but we'll patch this function as we add support for
     // more controls.
     return appearance != CheckboxPart && appearance != RadioPart;
 }
 
 bool LayoutTheme::isControlStyled(const ComputedStyle& style) const
@@ skipping 524 matching lines @@
 
     // padding - not honored by WinIE, needs to be removed.
     style.resetPadding();
 
     // border - honored by WinIE, but looks terrible (just paints in the control box and turns off the Windows XP theme)
     // for now, we will not honor it.
     style.resetBorder();
 }
 
 } // namespace blink