[SVG2] Add support for marker orient="auto-start-reverse".

Source/core/rendering/svg/RenderSVGShape.cpp

Index: Source/core/rendering/svg/RenderSVGShape.cpp
diff --git a/Source/core/rendering/svg/RenderSVGShape.cpp b/Source/core/rendering/svg/RenderSVGShape.cpp
index 7b7448fc44437405ee2d17001f4a6475c5a4efbb..9084bbedd45ea5f391be682e4d9fd39897323805 100644
--- a/Source/core/rendering/svg/RenderSVGShape.cpp
+++ b/Source/core/rendering/svg/RenderSVGShape.cpp
@@ -452,7 +452,12 @@ void RenderSVGShape::processMarkerPositions()
 
     ASSERT(m_path);
 
-    SVGMarkerData markerData(m_markerPositions);
+    SVGResources* resources = SVGResourcesCache::cachedResourcesForRenderObject(this);
+    ASSERT(resources);
+
+    RenderSVGResourceMarker* markerStart = resources->markerStart();
+
+    SVGMarkerData markerData(m_markerPositions, markerStart ? markerStart->orientType() == SVGMarkerOrientAutoStartReverse : false);
     m_path->apply(&markerData, SVGMarkerData::updateFromPathElement);
     markerData.pathIsDone();
 }