core/platform: Include wtf files using "wtf/foo.h" form.

Source/core/platform/graphics/FloatPolygon.h

 /*
  * 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 16 matching lines @@
  * OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef FloatPolygon_h
 #define FloatPolygon_h
 
 #include "core/platform/PODIntervalTree.h"
 #include "core/platform/graphics/FloatPoint.h"
 #include "core/platform/graphics/FloatRect.h"
 #include "core/platform/graphics/WindRule.h"
-#include <wtf/OwnPtr.h>
-#include <wtf/PassOwnPtr.h>
-#include <wtf/Vector.h>
+#include "wtf/OwnPtr.h"
+#include "wtf/PassOwnPtr.h"
+#include "wtf/Vector.h"
 
 namespace WebCore {
 
 class FloatPolygonEdge;
 
 // This class is used by PODIntervalTree for debugging.
 #ifndef NDEBUG
 template <class> struct ValueToString;
 #endif
 
@@ skipping 91 matching lines @@
 };
 
 template<> struct ValueToString<FloatPolygonEdge*> {
     static String string(const FloatPolygonEdge* edge) { return String::format("%p (%f,%f %f,%f)", edge, edge->vertex1().x(), edge->vertex1().y(), edge->vertex2().x(), edge->vertex2().y()); }
 };
 #endif
 
 } // namespace WebCore
 
 #endif // FloatPolygon_h