Support 'paint-order' from SVG2.

Source/core/rendering/style/SVGRenderStyleDefs.h

Index: Source/core/rendering/style/SVGRenderStyleDefs.h
diff --git a/Source/core/rendering/style/SVGRenderStyleDefs.h b/Source/core/rendering/style/SVGRenderStyleDefs.h
index b4c066805620b9c44d3afa85562321bb91171c23..2c64349126e5fdc5618c715262ac2152270b09dd 100644
--- a/Source/core/rendering/style/SVGRenderStyleDefs.h
+++ b/Source/core/rendering/style/SVGRenderStyleDefs.h
@@ -94,6 +94,26 @@ namespace WebCore {
         MT_ALPHA
     };
 
+    enum EPaintOrder {

[pdr., 2013/05/03 17:58:29]

The style checker will complain about these names not following the style guide.
Just ignore the checker in this case; these names are fine.

+        PO_NORMAL,
+        PO_FILL,
+        PO_STROKE,
+        PO_MARKERS,
+        // permutations
+        PO_FILL_STROKE,
+        PO_FILL_MARKERS,
+        PO_STROKE_FILL,
+        PO_STROKE_MARKERS,
+        PO_MARKERS_FILL,
+        PO_MARKERS_STROKE,
+        //PO_FILL_STROKE_MARKERS = PO_NORMAL
+        PO_FILL_MARKERS_STROKE,
+        PO_STROKE_MARKERS_FILL,
+        PO_STROKE_FILL_MARKERS,
+        PO_MARKERS_FILL_STROKE,
+        PO_MARKERS_STROKE_FILL
+    };
+
     class CSSValue;
     class CSSValueList;
     class SVGPaint;