Remove WebPrivateOwnPtr

third_party/WebKit/public/platform/WebFont.h

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef WebFont_h
 #define WebFont_h
 
 #include "WebCanvas.h"
 #include "WebColor.h"
 #include "WebCommon.h"
-#include "WebPrivateOwnPtr.h"
+#include <memory>
 
 namespace blink {
 
 struct WebFloatPoint;
 struct WebFloatRect;
 struct WebFontDescription;
 struct WebRect;
 struct WebTextRun;
 
 class WebFont {
@@ skipping 16 matching lines @@
         const WebTextRun&,
         const WebFloatPoint& leftBaseline,
         int height,
         int from = 0,
         int to = -1) const;
 
 private:
     explicit WebFont(const WebFontDescription&);
 
     class Impl;
-    WebPrivateOwnPtr<Impl> m_private;
+    std::unique_ptr<Impl> m_private;
 };
 
 } // namespace blink
 
 #endif