Revert "Remove OwnPtr from Blink."

third_party/WebKit/Source/core/layout/LayoutBoxModelObject.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2005 Allan Sandfeld Jensen (kde@carewolf.com)
  *           (C) 2005, 2006 Samuel Weinig (sam.weinig@gmail.com)
  * Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2010 Google 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
@@ skipping 21 matching lines @@
 #include "core/layout/LayoutBlock.h"
 #include "core/layout/LayoutFlexibleBox.h"
 #include "core/layout/LayoutGeometryMap.h"
 #include "core/layout/LayoutInline.h"
 #include "core/layout/LayoutView.h"
 #include "core/layout/compositing/CompositedLayerMapping.h"
 #include "core/layout/compositing/PaintLayerCompositor.h"
 #include "core/paint/PaintLayer.h"
 #include "core/style/ShadowList.h"
 #include "platform/LengthFunctions.h"
-#include "wtf/PtrUtil.h"
 
 namespace blink {
 
 class FloatStateForStyleChange {
 public:
     static void setWasFloating(LayoutBoxModelObject* boxModelObject, bool wasFloating)
     {
         s_wasFloating = wasFloating;
         s_boxModelObject = boxModelObject;
     }
@@ skipping 267 matching lines @@
     // input as if we have saved constraints for this layer they were saved
     // in the previous frame.
     DisableCompositingQueryAsserts disabler;
     if (const PaintLayer* ancestorOverflowLayer = layer()->ancestorOverflowLayer())
         ancestorOverflowLayer->getScrollableArea()->invalidateAllStickyConstraints();
 }
 
 void LayoutBoxModelObject::createLayer()
 {
     ASSERT(!m_layer);
-    m_layer = wrapUnique(new PaintLayer(this));
+    m_layer = adoptPtr(new PaintLayer(this));
     setHasLayer(true);
     m_layer->insertOnlyThisLayerAfterStyleChange();
 }
 
 void LayoutBoxModelObject::destroyLayer()
 {
     setHasLayer(false);
     m_layer = nullptr;
 }
 
@@ skipping 771 matching lines @@
     if (rootElementStyle->hasBackground())
         return false;
 
     if (node() != document().firstBodyElement())
         return false;
 
     return true;
 }
 
 } // namespace blink