Remove OwnPtr from Blink.

third_party/WebKit/Source/core/paint/PaintLayerStackingNode.h

 /*
  * Copyright (C) 2003, 2009, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2013 Intel Corporation. All rights reserved.
  *
  * Portions are Copyright (C) 1998 Netscape Communications Corporation.
  *
  * Other contributors:
  *   Robert O'Callahan <roc+@cs.cmu.edu>
  *   David Baron <dbaron@fas.harvard.edu>
  *   Christian Biesinger <cbiesinger@web.de>
@@ skipping 30 matching lines @@
  * If you do not delete the provisions above, a recipient may use your
  * version of this file under any of the LGPL, the MPL or the GPL.
  */
 
 #ifndef PaintLayerStackingNode_h
 #define PaintLayerStackingNode_h
 
 #include "core/CoreExport.h"
 #include "core/layout/LayoutBoxModelObject.h"
 #include "wtf/Noncopyable.h"
-#include "wtf/OwnPtr.h"
 #include "wtf/Vector.h"
+#include <memory>
 
 namespace blink {
 
 class PaintLayer;
 class PaintLayerCompositor;
 class ComputedStyle;
 class LayoutBoxModelObject;
 
 // PaintLayerStackingNode represents a stacked element which is either a
 // stacking context (i.e. an element with non-auto z-index) or a positioned
@@ skipping 79 matching lines @@
     }
 
     Vector<PaintLayerStackingNode*>* negZOrderList() const
     {
         ASSERT(!m_zOrderListsDirty);
         ASSERT(isStackingContext() || !m_negZOrderList);
         return m_negZOrderList.get();
     }
 
     void rebuildZOrderLists();
-    void collectLayers(OwnPtr<Vector<PaintLayerStackingNode*>>& posZOrderList, OwnPtr<Vector<PaintLayerStackingNode*>>& negZOrderList);
+    void collectLayers(std::unique_ptr<Vector<PaintLayerStackingNode*>>& posZOrderList, std::unique_ptr<Vector<PaintLayerStackingNode*>>& negZOrderList);
 
 #if ENABLE(ASSERT)
     bool isInStackingParentZOrderLists() const;
     void updateStackingParentForZOrderLists(PaintLayerStackingNode* stackingParent);
     void setStackingParent(PaintLayerStackingNode* stackingParent) { m_stackingParent = stackingParent; }
 #endif
 
     bool isDirtyStackingContext() const { return m_zOrderListsDirty && isStackingContext(); }
 
     PaintLayerCompositor* compositor() const;
     // We can't return a LayoutBox as LayoutInline can be a stacking context.
     LayoutBoxModelObject* layoutObject() const;
 
     PaintLayer* m_layer;
 
     // m_posZOrderList holds a sorted list of all the descendant nodes within
     // that have z-indices of 0 (or is treated as 0 for positioned objects) or greater.
     // m_negZOrderList holds descendants within our stacking context with
     // negative z-indices.
-    OwnPtr<Vector<PaintLayerStackingNode*>> m_posZOrderList;
-    OwnPtr<Vector<PaintLayerStackingNode*>> m_negZOrderList;
+    std::unique_ptr<Vector<PaintLayerStackingNode*>> m_posZOrderList;
+    std::unique_ptr<Vector<PaintLayerStackingNode*>> m_negZOrderList;
 
     // This boolean caches whether the z-order lists above are dirty.
     // It is only ever set for stacking contexts, as no other element can
     // have z-order lists.
     bool m_zOrderListsDirty : 1;
 
     // This attribute caches whether the element was stacked. It's needed to check the
     // current stacked status (instead of the new stacked status determined by the new
     // style which has not been realized yet) when a layer is removed due to style change.
     bool m_isStacked : 1;
@@ skipping 47 matching lines @@
 
 private:
     PaintLayerStackingNode* m_stackingNode;
     bool m_previousMutationAllowedState;
 };
 #endif
 
 } // namespace blink
 
 #endif // PaintLayerStackingNode_h