[CSS Shapes] complex calc values for shape-margin return null for computed style

Source/core/css/CSSComputedStyleDeclaration.cpp

 /*
  * Copyright (C) 2004 Zack Rusin <zack@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org>
  * Copyright (C) 2007 Nicholas Shanks <webkit@nickshanks.com>
  * Copyright (C) 2011 Sencha, Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
@@ skipping 2638 matching lines @@
             if (ClipPathOperation* operation = style->clipPath()) {
                 if (operation->type() == ClipPathOperation::SHAPE)
                     return valueForBasicShape(*style, toShapeClipPathOperation(operation)->basicShape());
                 if (operation->type() == ClipPathOperation::REFERENCE)
                     return CSSPrimitiveValue::create(toReferenceClipPathOperation(operation)->url(), CSSPrimitiveValue::CSS_URI);
             }
             return cssValuePool().createIdentifierValue(CSSValueNone);
         case CSSPropertyWebkitWrapFlow:
             return cssValuePool().createValue(style->wrapFlow());
         case CSSPropertyShapeMargin:
-            return cssValuePool().createValue(style->shapeMargin());
+            return cssValuePool().createValue(style->shapeMargin(), *style);
         case CSSPropertyShapeImageThreshold:
             return cssValuePool().createValue(style->shapeImageThreshold(), CSSPrimitiveValue::CSS_NUMBER);
         case CSSPropertyShapeOutside:
             return valueForShape(*style, style->shapeOutside());
         case CSSPropertyWebkitWrapThrough:
             return cssValuePool().createValue(style->wrapThrough());
         case CSSPropertyWebkitFilter:
             return valueForFilter(renderer, *style);
         case CSSPropertyMixBlendMode:
             return cssValuePool().createValue(style->blendMode());
@@ skipping 381 matching lines @@
     static const CSSPropertyID propertiesAfterSlashSeperator[3] = { CSSPropertyBackgroundSize, CSSPropertyBackgroundOrigin,
                                                                     CSSPropertyBackgroundClip };
 
     RefPtrWillBeRawPtr<CSSValueList> list = CSSValueList::createSlashSeparated();
     list->append(valuesForShorthandProperty(StylePropertyShorthand(CSSPropertyBackground, propertiesBeforeSlashSeperator, WTF_ARRAY_LENGTH(propertiesBeforeSlashSeperator))));
     list->append(valuesForShorthandProperty(StylePropertyShorthand(CSSPropertyBackground, propertiesAfterSlashSeperator, WTF_ARRAY_LENGTH(propertiesAfterSlashSeperator))));
     return list.release();
 }
 
 } // namespace WebCore