Remove OwnPtr from Blink.

third_party/WebKit/Source/core/layout/LayoutView.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2006 Apple Computer, Inc.
  *
  * 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,
@@ skipping 14 matching lines @@
 #include "core/CoreExport.h"
 #include "core/layout/HitTestCache.h"
 #include "core/layout/HitTestResult.h"
 #include "core/layout/LayoutBlockFlow.h"
 #include "core/layout/LayoutState.h"
 #include "core/layout/PaintInvalidationState.h"
 #include "platform/PODFreeListArena.h"
 #include "platform/RuntimeEnabledFeatures.h"
 #include "platform/heap/Handle.h"
 #include "platform/scroll/ScrollableArea.h"
-#include "wtf/OwnPtr.h"
+#include <memory>
 
 namespace blink {
 
 class FrameView;
 class PaintLayerCompositor;
 class LayoutQuote;
 class LayoutMedia;
 class ViewFragmentationContext;
 
 // LayoutView is the root of the layout tree and the Document's LayoutObject.
@@ skipping 209 matching lines @@
     // Outside of printing, this is 0.
     LayoutUnit m_pageLogicalHeight;
     bool m_pageLogicalHeightChanged;
 
     // LayoutState is an optimization used during layout.
     // |m_layoutState| will be nullptr outside of layout.
     //
     // See the class comment for more details.
     LayoutState* m_layoutState;
 
-    OwnPtr<ViewFragmentationContext> m_fragmentationContext;
-    OwnPtr<PaintLayerCompositor> m_compositor;
+    std::unique_ptr<ViewFragmentationContext> m_fragmentationContext;
+    std::unique_ptr<PaintLayerCompositor> m_compositor;
     RefPtr<IntervalArena> m_intervalArena;
 
     LayoutQuote* m_layoutQuoteHead;
     unsigned m_layoutCounterCount;
 
     unsigned m_hitTestCount;
     unsigned m_hitTestCacheHits;
     Persistent<HitTestCache> m_hitTestCache;
 
     Vector<LayoutMedia*> m_mediaForPositionNotification;
 };
 
 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutView, isLayoutView());
 
 } // namespace blink
 
 #endif // LayoutView_h