Do-not-commit: Count layout tree memory usage

third_party/WebKit/Source/core/layout/LayoutQuote.h

 /*
  * Copyright (C) 2011 Nokia Inc. All rights reserved.
  * Copyright (C) 2012 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
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 35 matching lines @@
 
   const char* name() const override { return "LayoutQuote"; }
 
  private:
   void detachQuote();
 
   void willBeDestroyed() override;
   bool isOfType(LayoutObjectType type) const override {
     return type == LayoutObjectQuote || LayoutInline::isOfType(type);
   }
+  char objectSize() const override { return sizeof(this); }
   void styleDidChange(StyleDifference, const ComputedStyle*) override;
   void willBeRemovedFromTree() override;
 
   String computeText() const;
   void updateText();
   const QuotesData* quotesData() const;
   void updateDepth();
   bool isAttached() { return m_attached; }
 
   LayoutTextFragment* findFragmentChild() const;
@@ skipping 29 matching lines @@
 
   // Cached text for this quote.
   String m_text;
 };
 
 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutQuote, isQuote());
 
 }  // namespace blink
 
 #endif  // LayoutQuote_h