Revert "Remove OwnPtr from Blink."

third_party/WebKit/Source/web/LinkHighlightImpl.h

Index: third_party/WebKit/Source/web/LinkHighlightImpl.h
diff --git a/third_party/WebKit/Source/web/LinkHighlightImpl.h b/third_party/WebKit/Source/web/LinkHighlightImpl.h
index 86c28fc314404fa8dcb41480fcf89f2fc1c61123..d92a28a7ecd2cf877745496d52f7d84548f54c30 100644
--- a/third_party/WebKit/Source/web/LinkHighlightImpl.h
+++ b/third_party/WebKit/Source/web/LinkHighlightImpl.h
@@ -36,7 +36,7 @@
 #include "public/platform/WebContentLayerClient.h"
 #include "web/WebExport.h"
 #include "wtf/Forward.h"
-#include <memory>
+#include "wtf/OwnPtr.h"
 
 namespace blink {
 
@@ -52,7 +52,7 @@ class WEB_EXPORT LinkHighlightImpl final : public LinkHighlight
     , public CompositorAnimationDelegate
     , public CompositorAnimationPlayerClient {
 public:
-    static std::unique_ptr<LinkHighlightImpl> create(Node*, WebViewImpl*);
+    static PassOwnPtr<LinkHighlightImpl> create(Node*, WebViewImpl*);
     ~LinkHighlightImpl() override;
 
     WebContentLayer* contentLayer();
@@ -91,15 +91,15 @@ private:
     // size since the last call to this function.
     bool computeHighlightLayerPathAndPosition(const LayoutBoxModelObject&);
 
-    std::unique_ptr<WebContentLayer> m_contentLayer;
-    std::unique_ptr<WebLayer> m_clipLayer;
+    OwnPtr<WebContentLayer> m_contentLayer;
+    OwnPtr<WebLayer> m_clipLayer;
     Path m_path;
 
     Persistent<Node> m_node;
     WebViewImpl* m_owningWebViewImpl;
     GraphicsLayer* m_currentGraphicsLayer;
     bool m_isScrollingGraphicsLayer;
-    std::unique_ptr<CompositorAnimationPlayer> m_compositorPlayer;
+    OwnPtr<CompositorAnimationPlayer> m_compositorPlayer;
 
     bool m_geometryNeedsUpdate;
     bool m_isAnimating;