Revert "Remove OwnPtr from Blink."

third_party/WebKit/Source/core/paint/PaintPropertyTreeBuilder.cpp

Index: third_party/WebKit/Source/core/paint/PaintPropertyTreeBuilder.cpp
diff --git a/third_party/WebKit/Source/core/paint/PaintPropertyTreeBuilder.cpp b/third_party/WebKit/Source/core/paint/PaintPropertyTreeBuilder.cpp
index be3393ed2a1dc91437f9d09f34e33aa21ec5f100..3c9c9a3194da0f30c38ec4a4772fc0a62c6fc744 100644
--- a/third_party/WebKit/Source/core/paint/PaintPropertyTreeBuilder.cpp
+++ b/third_party/WebKit/Source/core/paint/PaintPropertyTreeBuilder.cpp
@@ -13,8 +13,6 @@
 #include "core/paint/ObjectPaintProperties.h"
 #include "core/paint/PaintLayer.h"
 #include "platform/transforms/TransformationMatrix.h"
-#include "wtf/PtrUtil.h"
-#include <memory>
 
 namespace blink {
 
@@ -166,8 +164,8 @@ void PaintPropertyTreeBuilder::updateLocalBorderBoxContext(const LayoutObject& o
     if (!object.hasLayer())
         return;
 
-    std::unique_ptr<ObjectPaintProperties::LocalBorderBoxProperties> borderBoxContext =
-        wrapUnique(new ObjectPaintProperties::LocalBorderBoxProperties);
+    OwnPtr<ObjectPaintProperties::LocalBorderBoxProperties> borderBoxContext =
+        adoptPtr(new ObjectPaintProperties::LocalBorderBoxProperties);
     borderBoxContext->paintOffset = context.paintOffset;
     borderBoxContext->transform = context.currentTransform;
     borderBoxContext->clip = context.currentClip;