Support 'paint-order' from SVG2.

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 361 matching lines @@
     CSSPropertyStrokeWidth,
     CSSPropertyAlignmentBaseline,
     CSSPropertyBaselineShift,
     CSSPropertyDominantBaseline,
     CSSPropertyKerning,
     CSSPropertyTextAnchor,
     CSSPropertyWritingMode,
     CSSPropertyGlyphOrientationHorizontal,
     CSSPropertyGlyphOrientationVertical,
     CSSPropertyWebkitSvgShadow,
-    CSSPropertyVectorEffect
+    CSSPropertyVectorEffect,
+    CSSPropertyPaintOrder
 };
 
 static const Vector<CSSPropertyID>& computableProperties()
 {
     DEFINE_STATIC_LOCAL(Vector<CSSPropertyID>, properties, ());
     if (properties.isEmpty())
         RuntimeCSSEnabled::filterEnabledCSSPropertiesIntoVector(staticComputableProperties, WTF_ARRAY_LENGTH(staticComputableProperties), properties);
     return properties;
 }
 
@@ skipping 2391 matching lines @@
         case CSSPropertyStrokeWidth:
         case CSSPropertyAlignmentBaseline:
         case CSSPropertyBaselineShift:
         case CSSPropertyDominantBaseline:
         case CSSPropertyGlyphOrientationHorizontal:
         case CSSPropertyGlyphOrientationVertical:
         case CSSPropertyKerning:
         case CSSPropertyTextAnchor:
         case CSSPropertyVectorEffect:
         case CSSPropertyWritingMode:
+        case CSSPropertyPaintOrder:
         case CSSPropertyWebkitSvgShadow:
             return getSVGPropertyCSSValue(propertyID, DoNotUpdateLayout);
     }
 
     logUnimplementedPropertyID(propertyID);
     return 0;
 }
 
 String CSSComputedStyleDeclaration::getPropertyValue(CSSPropertyID propertyID) const
 {
@@ skipping 184 matching lines @@
     static const CSSPropertyID propertiesAfterSlashSeperator[3] = { CSSPropertyBackgroundSize, CSSPropertyBackgroundOrigin, 
                                                                     CSSPropertyBackgroundClip };
 
     RefPtr<CSSValueList> list = CSSValueList::createSlashSeparated();
     list->append(getCSSPropertyValuesForShorthandProperties(StylePropertyShorthand(propertiesBeforeSlashSeperator, WTF_ARRAY_LENGTH(propertiesBeforeSlashSeperator))));
     list->append(getCSSPropertyValuesForShorthandProperties(StylePropertyShorthand(propertiesAfterSlashSeperator, WTF_ARRAY_LENGTH(propertiesAfterSlashSeperator))));
     return list.release();
 }
 
 } // namespace WebCore