Revert "Remove OwnPtr from Blink."

third_party/WebKit/Source/core/layout/svg/LayoutSVGShape.h

Index: third_party/WebKit/Source/core/layout/svg/LayoutSVGShape.h
diff --git a/third_party/WebKit/Source/core/layout/svg/LayoutSVGShape.h b/third_party/WebKit/Source/core/layout/svg/LayoutSVGShape.h
index a7b3fde91301fe8d01b555f2ed8668e08a8daf06..2e4899c116874c87c26a0fe5f6b0c865ba0093e4 100644
--- a/third_party/WebKit/Source/core/layout/svg/LayoutSVGShape.h
+++ b/third_party/WebKit/Source/core/layout/svg/LayoutSVGShape.h
@@ -30,8 +30,8 @@
 #include "core/layout/svg/SVGMarkerData.h"
 #include "platform/geometry/FloatRect.h"
 #include "platform/transforms/AffineTransform.h"
+#include "wtf/OwnPtr.h"
 #include "wtf/Vector.h"
-#include <memory>
 
 namespace blink {
 
@@ -131,8 +131,8 @@ private:
     // TODO(fmalita): the Path is now cached in SVGPath; while this additional cache is just a
     // shallow copy, it certainly has a complexity/state management cost (plus allocation & storage
     // overhead) - so we should look into removing it.
-    std::unique_ptr<Path> m_path;
-    mutable std::unique_ptr<LayoutSVGShapeRareData> m_rareData;
+    OwnPtr<Path> m_path;
+    mutable OwnPtr<LayoutSVGShapeRareData> m_rareData;
 
     bool m_needsBoundariesUpdate : 1;
     bool m_needsShapeUpdate : 1;