Do-not-commit: Count layout tree memory usage

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

 /*
  * Copyright (C) 2007 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2009 Google, 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 21 matching lines @@
 class LayoutSVGGradientStop final : public LayoutObject {
  public:
   explicit LayoutSVGGradientStop(SVGStopElement*);
   ~LayoutSVGGradientStop() override;
 
   const char* name() const override { return "LayoutSVGGradientStop"; }
   bool isOfType(LayoutObjectType type) const override {
     return type == LayoutObjectSVG || type == LayoutObjectSVGGradientStop ||
            LayoutObject::isOfType(type);
   }
+  char objectSize() const override { return sizeof(this); }
 
   void layout() override;
 
   // These overrides are needed to prevent NOTREACHED on <svg><stop /></svg> in
   // LayoutObject's default implementations.
   LayoutRect localVisualRect() const override { return LayoutRect(); }
   FloatRect objectBoundingBox() const override { return FloatRect(); }
   FloatRect strokeBoundingBox() const override { return FloatRect(); }
   FloatRect visualRectInLocalSVGCoordinates() const override {
     return FloatRect();
   }
   FloatRect localBoundingBoxRectForAccessibility() const final {
     return FloatRect();
   }
 
  protected:
   void styleDidChange(StyleDifference, const ComputedStyle* oldStyle) override;
 
  private:
   SVGGradientElement* gradientElement() const;
 };
 
 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutSVGGradientStop, isSVGGradientStop());
 
 }  // namespace blink
 
 #endif  // LayoutSVGGradientStop_h