border-radius cssText always outputs to longhand properties

Source/core/css/StylePropertySerializer.cpp

 /*
  * (C) 1999-2003 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2011 Research In Motion Limited. All rights reserved.
  * Copyright (C) 2013 Intel Corporation. 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
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
@@ skipping 105 matching lines @@
                 value = borderPropertyValue(ReturnNullOnUncommonValues);
                 if (value.isNull())
                     shorthandPropertyAppeared.set(CSSPropertyBorder - firstCSSProperty);
                 else
                     shorthandPropertyID = CSSPropertyBorder;
             } else if (shorthandPropertyUsed.get(CSSPropertyBorder - firstCSSProperty))
                 shorthandPropertyID = CSSPropertyBorder;
             if (!shorthandPropertyID)
                 shorthandPropertyID = borderFallbackShorthandProperty;
             break;
+        case CSSPropertyBorderTopLeftRadius:
+        case CSSPropertyBorderTopRightRadius:
+        case CSSPropertyBorderBottomLeftRadius:
+        case CSSPropertyBorderBottomRightRadius:
+            shorthandPropertyID = CSSPropertyBorderRadius;
+            break;
         case CSSPropertyWebkitBorderHorizontalSpacing:
         case CSSPropertyWebkitBorderVerticalSpacing:
             shorthandPropertyID = CSSPropertyBorderSpacing;
             break;
         case CSSPropertyFontFamily:
         case CSSPropertyLineHeight:
         case CSSPropertyFontSize:
         case CSSPropertyFontStretch:
         case CSSPropertyFontStyle:
         case CSSPropertyFontVariant:
@@ skipping 730 matching lines @@
             isInitialValue = false;
         if (!value->isInheritedValue())
             isInheritedValue = false;
         if (isImportant != m_propertySet.propertyIsImportant(shorthand.properties()[i]))
             return false;
     }
     return isInitialValue || isInheritedValue;
 }
 
 }