Remove OwnPtr from Blink.

third_party/WebKit/Source/core/editing/Editor.h

 /*
  * Copyright (C) 2006, 2007, 2008 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 21 matching lines @@
 #include "core/editing/EphemeralRange.h"
 #include "core/editing/FindOptions.h"
 #include "core/editing/FrameSelection.h"
 #include "core/editing/VisibleSelection.h"
 #include "core/editing/WritingDirection.h"
 #include "core/editing/commands/EditAction.h"
 #include "core/editing/iterators/TextIterator.h"
 #include "core/editing/markers/DocumentMarker.h"
 #include "platform/PasteMode.h"
 #include "platform/heap/Handle.h"
+#include <memory>
 
 namespace blink {
 
 class CompositeEditCommand;
 class DummyPageHolder;
 class EditCommandComposition;
 class EditorClient;
 class EditorInternalCommand;
 class LocalFrame;
 class HitTestResult;
@@ skipping 196 matching lines @@
     friend class RevealSelectionScope;
 
     DECLARE_TRACE();
 
 private:
     Member<LocalFrame> m_frame;
     Member<CompositeEditCommand> m_lastEditCommand;
     int m_preventRevealSelection;
     bool m_shouldStartNewKillRingSequence;
     bool m_shouldStyleWithCSS;
-    const OwnPtr<KillRing> m_killRing;
+    const std::unique_ptr<KillRing> m_killRing;
     VisibleSelection m_mark;
     bool m_areMarkedTextMatchesHighlighted;
     EditorParagraphSeparator m_defaultParagraphSeparator;
     bool m_overwriteModeEnabled;
 
     explicit Editor(LocalFrame&);
 
     LocalFrame& frame() const
     {
         DCHECK(m_frame);
@@ skipping 44 matching lines @@
 
 inline bool Editor::markedTextMatchesAreHighlighted() const
 {
     return m_areMarkedTextMatchesHighlighted;
 }
 
 
 } // namespace blink
 
 #endif // Editor_h