Remove OwnPtr from Blink.

third_party/WebKit/Source/platform/geometry/FloatPolygon.h

Index: third_party/WebKit/Source/platform/geometry/FloatPolygon.h
diff --git a/third_party/WebKit/Source/platform/geometry/FloatPolygon.h b/third_party/WebKit/Source/platform/geometry/FloatPolygon.h
index 0799fa6673aa03b338243e5916b422984d84db41..26e891b5e18f9e8b3f7729347cf328058004968a 100644
--- a/third_party/WebKit/Source/platform/geometry/FloatPolygon.h
+++ b/third_party/WebKit/Source/platform/geometry/FloatPolygon.h
@@ -35,9 +35,8 @@
 #include "platform/geometry/FloatRect.h"
 #include "platform/graphics/GraphicsTypes.h"
 #include "wtf/Allocator.h"
-#include "wtf/OwnPtr.h"
-#include "wtf/PassOwnPtr.h"
 #include "wtf/Vector.h"
+#include <memory>
 
 namespace blink {
 
@@ -52,7 +51,7 @@ class PLATFORM_EXPORT FloatPolygon {
     USING_FAST_MALLOC(FloatPolygon);
     WTF_MAKE_NONCOPYABLE(FloatPolygon);
 public:
-    FloatPolygon(PassOwnPtr<Vector<FloatPoint>> vertices, WindRule fillRule);
+    FloatPolygon(std::unique_ptr<Vector<FloatPoint>> vertices, WindRule fillRule);
 
     const FloatPoint& vertexAt(unsigned index) const { return (*m_vertices)[index]; }
     unsigned numberOfVertices() const { return m_vertices->size(); }
@@ -74,7 +73,7 @@ private:
     bool containsNonZero(const FloatPoint&) const;
     bool containsEvenOdd(const FloatPoint&) const;
 
-    OwnPtr<Vector<FloatPoint>> m_vertices;
+    std::unique_ptr<Vector<FloatPoint>> m_vertices;
     WindRule m_fillRule;
     FloatRect m_boundingBox;
     bool m_empty;