Rewrite references to "wtf/" to "platform/wtf/" in core/layout.

third_party/WebKit/Source/core/layout/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.
@@ skipping 12 matching lines @@
  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  * OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "core/layout/shapes/PolygonShape.h"
 
 #include "platform/geometry/LayoutPoint.h"
-#include "wtf/MathExtras.h"
+#include "platform/wtf/MathExtras.h"
 
 namespace blink {
 
 static inline FloatSize InwardEdgeNormal(const FloatPolygonEdge& edge) {
   FloatSize edge_delta = edge.Vertex2() - edge.Vertex1();
   if (!edge_delta.Width())
     return FloatSize((edge_delta.Height() > 0 ? -1 : 1), 0);
   if (!edge_delta.Height())
     return FloatSize(0, (edge_delta.Width() > 0 ? 1 : -1));
   float edge_length = edge_delta.DiagonalLength();
@@ skipping 126 matching lines @@
 void PolygonShape::BuildDisplayPaths(DisplayPaths& paths) const {
   if (!polygon_.NumberOfVertices())
     return;
   paths.shape.MoveTo(polygon_.VertexAt(0));
   for (size_t i = 1; i < polygon_.NumberOfVertices(); ++i)
     paths.shape.AddLineTo(polygon_.VertexAt(i));
   paths.shape.CloseSubpath();
 }
 
 }  // namespace blink