Support 'paint-order' from SVG2.

Source/core/css/resolver/StyleBuilderCustom.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 2004-2005 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2006, 2007 Nicholas Shanks (webkit@nickshanks.com)
  * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 Apple Inc. All rights reserved.
  * Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org>
  * Copyright (C) 2007, 2008 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (c) 2011, Code Aurora Forum. All rights reserved.
@@ skipping 1094 matching lines @@
 static Color colorFromSVGColorCSSValue(SVGColor* svgColor, const StyleColor& fgColor)
 {
     Color color;
     if (svgColor->colorType() == SVGColor::SVG_COLORTYPE_CURRENTCOLOR)
         color = fgColor.color();
     else
         color = svgColor->color();
     return color;
 }
 
+static EPaintOrder paintOrderFlattened(CSSValue* cssPaintOrder)
+{
+    if (cssPaintOrder->isValueList()) {
+        int paintOrder = 0;
+        CSSValueListInspector iter(cssPaintOrder);
+        for (size_t i = 0; i < iter.length(); i++) {
+            CSSPrimitiveValue* value = static_cast<CSSPrimitiveValue*>(iter.item(i));
+
+            EPaintOrderType paintOrderType = PT_NONE;
+            switch (value->getValueID()) {
+            case CSSValueFill:
+                paintOrderType = PT_FILL;
+                break;
+            case CSSValueStroke:
+                paintOrderType = PT_STROKE;
+                break;
+            case CSSValueMarkers:
+                paintOrderType = PT_MARKERS;
+                break;
+            default:
+                ASSERT_NOT_REACHED();
+                break;
+            }
+
+            paintOrder |= (paintOrderType << kPaintOrderBitwidth*i);
+        }
+        return (EPaintOrder)paintOrder;
+    }
+
+    return PO_NORMAL;
+}
+
 static bool numberToFloat(const CSSPrimitiveValue* primitiveValue, float& out)
 {
     if (!primitiveValue)
         return false;
     if (primitiveValue->primitiveType() != CSSPrimitiveValue::CSS_NUMBER)
         return false;
     out = primitiveValue->getFloatValue();
     return true;
 }
 
@@ skipping 1204 matching lines @@
         break;
     }
     case CSSPropertyGlyphOrientationHorizontal:
     {
         HANDLE_SVG_INHERIT_AND_INITIAL(glyphOrientationHorizontal, GlyphOrientationHorizontal)
         EGlyphOrientation orientation;
         if (degreeToGlyphOrientation(primitiveValue, orientation))
             state.style()->accessSVGStyle()->setGlyphOrientationHorizontal(orientation);
         break;
     }
+    case CSSPropertyPaintOrder: {
+        HANDLE_SVG_INHERIT_AND_INITIAL(paintOrder, PaintOrder)
+        if (value->isValueList())
+            state.style()->accessSVGStyle()->setPaintOrder(paintOrderFlattened(value));
+        break;
+    }
     case CSSPropertyGlyphOrientationVertical:
     {
         HANDLE_SVG_INHERIT_AND_INITIAL(glyphOrientationVertical, GlyphOrientationVertical)
         if (primitiveValue->getValueID() == CSSValueAuto) {
             state.style()->accessSVGStyle()->setGlyphOrientationVertical(GO_AUTO);
             break;
         }
         EGlyphOrientation orientation;
         if (degreeToGlyphOrientation(primitiveValue, orientation))
             state.style()->accessSVGStyle()->setGlyphOrientationVertical(orientation);
         break;
     }
     case CSSPropertyEnableBackground:
         // Silently ignoring this property for now
         // http://bugs.webkit.org/show_bug.cgi?id=6022
         break;
     }
 }
 
 } // namespace WebCore