Document reflection

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

 /*
  * Copyright (C) 2008 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 46 matching lines @@
 void LayoutReplica::layout()
 {
     setFrameRect(parentBox()->borderBoxRect());
     addVisualOverflow(parentBox()->visualOverflowRect());
     updateLayerTransformAfterLayout();
     clearNeedsLayout();
 }
 
 void LayoutReplica::computePreferredLogicalWidths()
 {
-    m_minPreferredLogicalWidth = parentBox()->size().width();
-    m_maxPreferredLogicalWidth = m_minPreferredLogicalWidth;
+    // LayoutReplica is a synthetic object, PaintLayerReflectionInfo is what
+    // calls into it, so this should never be called.
+    ASSERT_NOT_REACHED();
     clearPreferredLogicalWidthsDirty();
 }
 
 void LayoutReplica::paint(const PaintInfo& paintInfo, const LayoutPoint& paintOffset) const
 {
     ReplicaPainter(*this).paint(paintInfo, paintOffset);
 }
 
 } // namespace blink