Expose minContentWidth/maxContentWidth and a callback for computing them.

sky/engine/core/rendering/RenderBox.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 370 matching lines @@
     if (preferredLogicalWidthsDirty()) {
 #if ENABLE(ASSERT)
         SetLayoutNeededForbiddenScope layoutForbiddenScope(const_cast<RenderBox&>(*this));
 #endif
         const_cast<RenderBox*>(this)->computePreferredLogicalWidths();
     }
 
     return m_maxPreferredLogicalWidth;
 }
 
+void RenderBox::setMinPreferredLogicalWidth(LayoutUnit width)
+{
+    m_minPreferredLogicalWidth = width;
+}
+
+void RenderBox::setMaxPreferredLogicalWidth(LayoutUnit width)
+{
+    m_maxPreferredLogicalWidth = width;
+}
+
 bool RenderBox::hasOverrideHeight() const
 {
     return m_rareData && m_rareData->m_overrideLogicalContentHeight != -1;
 }
 
 bool RenderBox::hasOverrideWidth() const
 {
     return m_rareData && m_rareData->m_overrideLogicalContentWidth != -1;
 }
 
@@ skipping 2654 matching lines @@
 
 RenderBox::BoxDecorationData::BoxDecorationData(const RenderStyle& style)
 {
     backgroundColor = style.colorIncludingFallback(CSSPropertyBackgroundColor);
     hasBackground = backgroundColor.alpha() || style.hasBackgroundImage();
     ASSERT(hasBackground == style.hasBackground());
     hasBorder = style.hasBorder();
 }
 
 } // namespace blink