Do-not-commit: Count layout tree memory usage

third_party/WebKit/Source/core/layout/svg/LayoutSVGInline.h

 /*
  * Copyright (C) 2006 Oliver Hunt <ojh16@student.canterbury.ac.nz>
  * Copyright (C) 2006 Apple Computer Inc.
  *
  * 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 17 matching lines @@
 class LayoutSVGInline : public LayoutInline {
  public:
   explicit LayoutSVGInline(Element*);
 
   const char* name() const override { return "LayoutSVGInline"; }
   PaintLayerType layerTypeRequired() const final { return NoPaintLayer; }
   bool isOfType(LayoutObjectType type) const override {
     return type == LayoutObjectSVG || type == LayoutObjectSVGInline ||
            LayoutInline::isOfType(type);
   }
+  char objectSize() const override { return sizeof(this); }
 
   bool isChildAllowed(LayoutObject*, const ComputedStyle&) const override;
 
   // Chapter 10.4 of the SVG Specification say that we should use the
   // object bounding box of the parent text element.
   // We search for the root text element and take its bounding box.
   // It is also necessary to take the stroke and visual rect of this element,
   // since we need it for filters.
   FloatRect objectBoundingBox() const final;
   FloatRect strokeBoundingBox() const final;
@@ skipping 19 matching lines @@
 
   void addChild(LayoutObject* child, LayoutObject* beforeChild = nullptr) final;
   void removeChild(LayoutObject*) final;
 };
 
 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutSVGInline, isSVGInline());
 
 }  // namespace blink
 
 #endif  // LayoutSVGInline_H