Move AX local bounding box calculation into LayoutObject

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 28 matching lines @@
 
     void layout() override;
 
     // This overrides are needed to prevent ASSERTs on <svg><stop /></svg>
     // LayoutObject's default implementations ASSERT_NOT_REACHED()
     // https://bugs.webkit.org/show_bug.cgi?id=20400
     LayoutRect localOverflowRectForPaintInvalidation() const override { return LayoutRect(); }
     FloatRect objectBoundingBox() const override { return FloatRect(); }
     FloatRect strokeBoundingBox() const override { return FloatRect(); }
     FloatRect paintInvalidationRectInLocalSVGCoordinates() 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