CSS shapes support in Web Inspector

Source/core/rendering/shapes/PolygonShape.cpp

 /*
  * Copyright (C) 2012 Adobe Systems Incorporated. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1. Redistributions of source code must retain the above
  *    copyright notice, this list of conditions and the following
  *    disclaimer.
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             excludedInterval.unite(OffsetPolygonEdge(edge, outwardEdgeNormal(edge) * shapeMargin()).clippedEdgeXRange(y1, y2));
             excludedInterval.unite(OffsetPolygonEdge(edge, inwardEdgeNormal(edge) * shapeMargin()).clippedEdgeXRange(y1, y2));
             excludedInterval.unite(clippedCircleXRange(edge.vertex1(), shapeMargin(), y1, y2));
         }
     }
 
     if (!excludedInterval.isEmpty())
         result.append(LineSegment(excludedInterval.x1(), excludedInterval.x2()));
 }
 
+void PolygonShape::buildDisplayPaths(DisplayPaths& paths) const
+{
+    if (!m_polygon.numberOfVertices())
+        return;
+    paths.shape.moveTo(m_polygon.vertexAt(0));
+    for (size_t i = 1; i < m_polygon.numberOfVertices(); ++i)
+        paths.shape.addLineTo(m_polygon.vertexAt(i));
+    paths.shape.closeSubpath();
+}
+
 } // namespace WebCore