Revert "Remove OwnPtr from Blink."

third_party/WebKit/Source/core/layout/line/InlineFlowBox.h

 /*
  * Copyright (C) 2003, 2004, 2005, 2006, 2007 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  *
  */
 
 #ifndef InlineFlowBox_h
 #define InlineFlowBox_h
 
 #include "core/layout/OverflowModel.h"
 #include "core/layout/api/SelectionState.h"
 #include "core/layout/line/InlineBox.h"
 #include "core/style/ShadowData.h"
-#include <memory>
 
 namespace blink {
 
 class HitTestRequest;
 class HitTestResult;
 class InlineTextBox;
 class LineBoxList;
 class SimpleFontData;
 class VerticalPositionCache;
 
@@ skipping 265 matching lines @@
     void addOutlineVisualOverflow(LayoutRect& logicalVisualOverflow);
     void addTextBoxVisualOverflow(InlineTextBox*, GlyphOverflowAndFallbackFontsMap&, LayoutRect& logicalVisualOverflow);
     void addReplacedChildOverflow(const InlineBox*, LayoutRect& logicalLayoutOverflow, LayoutRect& logicalVisualOverflow);
 
     void setLayoutOverflow(const LayoutRect&, const LayoutRect&);
     void setVisualOverflow(const LayoutRect&, const LayoutRect&);
 
     void setOverflowFromLogicalRects(const LayoutRect& logicalLayoutOverflow, const LayoutRect& logicalVisualOverflow, LayoutUnit lineTop, LayoutUnit lineBottom);
 
 protected:
-    std::unique_ptr<SimpleOverflowModel> m_overflow;
+    OwnPtr<SimpleOverflowModel> m_overflow;
 
     bool isInlineFlowBox() const final { return true; }
 
     InlineBox* m_firstChild;
     InlineBox* m_lastChild;
 
     InlineFlowBox* m_prevLineBox; // The previous box that also uses our LayoutObject
     InlineFlowBox* m_nextLineBox; // The next box that also uses our LayoutObject
 
     // Maximum logicalTop among all children of an InlineFlowBox. Used to
@@ skipping 42 matching lines @@
 inline void InlineFlowBox::setHasBadChildList()
 {
 #if ENABLE(ASSERT)
     m_hasBadChildList = true;
 #endif
 }
 
 } // namespace blink
 
 #endif // InlineFlowBox_h