Cleanup friends of LayoutObject

Source/core/paint/DeprecatedPaintLayerReflectionInfo.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc. 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>
  *   Randall Jesup <rjesup@wgate.com>
@@ skipping 45 matching lines @@
 
 namespace blink {
 
 DeprecatedPaintLayerReflectionInfo::DeprecatedPaintLayerReflectionInfo(LayoutBox& layoutObject)
     : m_box(&layoutObject)
     , m_isPaintingInsideReflection(false)
 {
     UseCounter::count(box().document(), UseCounter::Reflection);
 
     m_reflection = LayoutReplica::createAnonymous(&box().document());
-    m_reflection->setParent(m_box); // We create a 1-way connection.
+    m_reflection->setDangerousOneWayParent(m_box);
 }
 
 void DeprecatedPaintLayerReflectionInfo::destroy()
 {
     if (!m_reflection->documentBeingDestroyed())
         m_reflection->removeLayers(box().layer());
 
-    m_reflection->setParent(0);
+    m_reflection->setDangerousOneWayParent(nullptr);
     m_reflection->destroy();
     m_reflection = nullptr;
 }
 
 DeprecatedPaintLayer* DeprecatedPaintLayerReflectionInfo::reflectionLayer() const
 {
     return m_reflection->layer();
 }
 
 void DeprecatedPaintLayerReflectionInfo::updateAfterStyleChange(const ComputedStyle* oldStyle)
@@ skipping 49 matching lines @@
     if (m_isPaintingInsideReflection)
         return;
 
     // Mark that we are now inside replica painting.
     m_isPaintingInsideReflection = true;
     DeprecatedPaintLayerPainter(*reflectionLayer()).paintLayer(context, paintingInfo, flags);
     m_isPaintingInsideReflection = false;
 }
 
 } // namespace blink