Statistics of LayoutBox rare data reasons

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

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 Apple 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
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
@@ skipping 37 matching lines @@
   virtual ~SameSizeAsLayoutInline() {}
   LayoutObjectChildList m_children;
   LineBoxList m_lineBoxes;
 };
 
 static_assert(sizeof(LayoutInline) == sizeof(SameSizeAsLayoutInline),
               "LayoutInline should stay small");
 
 LayoutInline::LayoutInline(Element* element) : LayoutBoxModelObject(element) {
   setChildrenInline(true);
+  m_rareStat.addReason(ReasonLIAll);
 }
 
 void LayoutInline::willBeDestroyed() {
   // Make sure to destroy anonymous children first while they are still
   // connected to the rest of the tree, so that they will properly dirty line
   // boxes that they are removed from. Effects that do :before/:after only on
   // hover could crash otherwise.
   children()->destroyLeftoverChildren();
 
   // Destroy our continuation before anything other than anonymous children.
@@ skipping 1466 matching lines @@
     paintInvalidator.invalidateDisplayItemClient(*box, invalidationReason);
 }
 
 // TODO(lunalu): Not to just dump 0, 0 as the x and y here
 LayoutRect LayoutInline::debugRect() const {
   IntRect linesBox = enclosingIntRect(linesBoundingBox());
   return LayoutRect(IntRect(0, 0, linesBox.width(), linesBox.height()));
 }
 
 }  // namespace blink