[css-sizing] Adding border and padding to fill-available width

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

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2005 Allan Sandfeld Jensen (kde@carewolf.com)
  *           (C) 2005, 2006 Samuel Weinig (sam.weinig@gmail.com)
  * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2013 Adobe Systems Incorporated. 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
@@ skipping 2292 matching lines @@
     marginStart = minimumValueForLength(style()->marginStart(), availableLogicalWidth);
     marginEnd = minimumValueForLength(style()->marginEnd(), availableLogicalWidth);
     LayoutUnit available = availableLogicalWidth - marginStart - marginEnd;
     available = std::max(available, LayoutUnit());
     return available;
 }
 
 LayoutUnit LayoutBox::computeIntrinsicLogicalWidthUsing(const Length& logicalWidthLength, LayoutUnit availableLogicalWidth, LayoutUnit borderAndPadding) const
 {
     if (logicalWidthLength.type() == FillAvailable)
-        return fillAvailableMeasure(availableLogicalWidth);
+        return std::max(borderAndPadding, fillAvailableMeasure(availableLogicalWidth));
 
     LayoutUnit minLogicalWidth;
     LayoutUnit maxLogicalWidth;
     computeIntrinsicLogicalWidths(minLogicalWidth, maxLogicalWidth);
 
     if (logicalWidthLength.type() == MinContent)
         return minLogicalWidth + borderAndPadding;
 
     if (logicalWidthLength.type() == MaxContent)
         return maxLogicalWidth + borderAndPadding;
@@ skipping 2626 matching lines @@
         m_rareData->m_snapAreas->remove(&snapArea);
     }
 }
 
 SnapAreaSet* LayoutBox::snapAreas() const
 {
     return m_rareData ? m_rareData->m_snapAreas.get() : nullptr;
 }
 
 } // namespace blink