Remove OwnPtr from Blink.

third_party/WebKit/Source/core/layout/svg/LayoutSVGResourcePattern.h

 /*
  * Copyright (C) 2006 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) Research In Motion Limited 2010. All rights reserved.
  * Copyright 2014 The Chromium Authors. 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 LayoutSVGResourcePattern_h
 #define LayoutSVGResourcePattern_h
 
 #include "core/layout/svg/LayoutSVGResourcePaintServer.h"
 #include "core/svg/PatternAttributes.h"
 #include "platform/heap/Handle.h"
 #include "wtf/HashMap.h"
-#include "wtf/OwnPtr.h"
 #include "wtf/RefPtr.h"
+#include <memory>
 
 class SkPicture;
 
 namespace blink {
 
 class AffineTransform;
 class FloatRect;
 class SVGPatternElement;
 struct PatternData;
 
 class LayoutSVGResourcePattern final : public LayoutSVGResourcePaintServer {
 public:
     explicit LayoutSVGResourcePattern(SVGPatternElement*);
 
     const char* name() const override { return "LayoutSVGResourcePattern"; }
 
     void removeAllClientsFromCache(bool markForInvalidation = true) override;
     void removeClientFromCache(LayoutObject*, bool markForInvalidation = true) override;
 
     SVGPaintServer preparePaintServer(const LayoutObject&) override;
 
     static const LayoutSVGResourceType s_resourceType = PatternResourceType;
     LayoutSVGResourceType resourceType() const override { return s_resourceType; }
 
 private:
-    PassOwnPtr<PatternData> buildPatternData(const LayoutObject&);
+    std::unique_ptr<PatternData> buildPatternData(const LayoutObject&);
     PassRefPtr<SkPicture> asPicture(const FloatRect& tile, const AffineTransform&) const;
     PatternData* patternForLayoutObject(const LayoutObject&);
 
     const LayoutSVGResourceContainer* resolveContentElement() const;
 
     bool m_shouldCollectPatternAttributes : 1;
     Persistent<PatternAttributesWrapper> m_attributesWrapper;
 
     PatternAttributes& mutableAttributes() { return m_attributesWrapper->attributes(); }
     const PatternAttributes& attributes() const { return m_attributesWrapper->attributes(); }
 
     // FIXME: we can almost do away with this per-object map, but not quite: the tile size can be
     // relative to the client bounding box, and it gets captured in the cached Pattern shader.
     // Hence, we need one Pattern shader per client. The display list OTOH is the same => we
     // should be able to cache a single display list per LayoutSVGResourcePattern + one
     // Pattern(shader) for each client -- this would avoid re-recording when multiple clients
     // share the same pattern.
-    HashMap<const LayoutObject*, OwnPtr<PatternData>> m_patternMap;
+    HashMap<const LayoutObject*, std::unique_ptr<PatternData>> m_patternMap;
 };
 
 } // namespace blink
 
 #endif