Support 'paint-order' from SVG2.

Source/core/rendering/style/SVGRenderStyleDefs.h

 /*
     Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
                   2004, 2005 Rob Buis <buis@kde.org>
     Copyright (C) Research In Motion Limited 2010. All rights reserved.
 
     Based on khtml code by:
     Copyright (C) 2000-2003 Lars Knoll (knoll@kde.org)
               (C) 2000 Antti Koivisto (koivisto@kde.org)
               (C) 2000-2003 Dirk Mueller (mueller@kde.org)
               (C) 2002-2003 Apple Computer, Inc.
@@ skipping 75 matching lines @@
         BR_AUTO,
         BR_DYNAMIC,
         BR_STATIC
     };
 
     enum EMaskType {
         MT_LUMINANCE,
         MT_ALPHA
     };
 
+    enum EPaintOrderType {
+        PT_NONE    = 0,
+        PT_FILL    = 1,
+        PT_STROKE  = 2,
+        PT_MARKERS = 3
+    };
+
+    const int kPaintOrderBitwidth = 2;
+    typedef unsigned EPaintOrder;
+    const unsigned PO_NORMAL = PT_FILL | PT_STROKE << 2 | PT_MARKERS << 4;
+
     class CSSValue;
     class CSSValueList;
     class SVGPaint;
 
     // Inherited/Non-Inherited Style Datastructures
     class StyleFillData : public RefCounted<StyleFillData> {
     public:
         static PassRefPtr<StyleFillData> create() { return adoptRef(new StyleFillData); }
         PassRefPtr<StyleFillData> copy() const { return adoptRef(new StyleFillData(*this)); }
 
@@ skipping 163 matching lines @@
         String markerEnd;
 
     private:
         StyleInheritedResourceData();
         StyleInheritedResourceData(const StyleInheritedResourceData&);
     };
 
 } // namespace WebCore
 
 #endif // SVGRenderStyleDefs_h