Move SVG shape painting code to SVGShapePainter

Source/core/rendering/svg/SVGMarkerData.h

Index: Source/core/rendering/svg/SVGMarkerData.h
diff --git a/Source/core/rendering/svg/SVGMarkerData.h b/Source/core/rendering/svg/SVGMarkerData.h
index 17032d108d9270c139166f90c8e2d4115b810806..b35bffdf1cec43f3cca3f93400845b1fe632109a 100644
--- a/Source/core/rendering/svg/SVGMarkerData.h
+++ b/Source/core/rendering/svg/SVGMarkerData.h
@@ -45,6 +45,8 @@ struct MarkerPosition {
     float angle;
 };
 
+class RenderSVGResourceMarker;
+
 class SVGMarkerData {
 public:
     SVGMarkerData(Vector<MarkerPosition>& positions, bool autoStartReverse)
@@ -77,6 +79,21 @@ public:
         m_positions.append(MarkerPosition(EndMarker, m_origin, currentAngle(EndMarker)));
     }
 
+    static inline RenderSVGResourceMarker* markerForType(const SVGMarkerType& type, RenderSVGResourceMarker* markerStart, RenderSVGResourceMarker* markerMid, RenderSVGResourceMarker* markerEnd)
+    {
+        switch (type) {
+        case StartMarker:
+            return markerStart;
+        case MidMarker:
+            return markerMid;
+        case EndMarker:
+            return markerEnd;
+        }
+
+        ASSERT_NOT_REACHED();
+        return 0;
+    }
+
 private:
     float currentAngle(SVGMarkerType type) const
     {