Remove OwnPtr from Blink.

third_party/WebKit/Source/core/page/ContextMenuController.h

 /*
  * Copyright (C) 2006, 2007 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 12 matching lines @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef ContextMenuController_h
 #define ContextMenuController_h
 
 #include "core/CoreExport.h"
 #include "core/layout/HitTestResult.h"
 #include "platform/heap/Handle.h"
 #include "wtf/Noncopyable.h"
-#include "wtf/OwnPtr.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefPtr.h"
+#include <memory>
 
 namespace blink {
 
 class ContextMenu;
 class ContextMenuClient;
 class ContextMenuItem;
 class ContextMenuProvider;
 class Document;
 class Event;
 class LocalFrame;
@@ skipping 15 matching lines @@
     void showContextMenu(Event*, ContextMenuProvider*);
     void showContextMenuAtPoint(LocalFrame*, float x, float y, ContextMenuProvider*);
 
     void contextMenuItemSelected(const ContextMenuItem*);
 
     const HitTestResult& hitTestResult() { return m_hitTestResult; }
 
 private:
     ContextMenuController(Page*, ContextMenuClient*);
 
-    PassOwnPtr<ContextMenu> createContextMenu(Event*);
-    PassOwnPtr<ContextMenu> createContextMenu(LocalFrame*, const LayoutPoint&);
+    std::unique_ptr<ContextMenu> createContextMenu(Event*);
+    std::unique_ptr<ContextMenu> createContextMenu(LocalFrame*, const LayoutPoint&);
     void populateCustomContextMenu(const Event&);
     void showContextMenu(Event*);
 
     ContextMenuClient* m_client;
-    OwnPtr<ContextMenu> m_contextMenu;
+    std::unique_ptr<ContextMenu> m_contextMenu;
     Member<ContextMenuProvider> m_menuProvider;
     HitTestResult m_hitTestResult;
 };
 
 } // namespace blink
 
 #endif // ContextMenuController_h