Revert of ResizeObserver pt6: integration

third_party/WebKit/Source/core/layout/svg/LayoutSVGEllipse.cpp

 /*
  * Copyright (C) 2012 Google, Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 56 matching lines @@
             return;
         }
     }
 
     clearPath();
 
     m_fillBoundingBox = FloatRect(m_center.x() - m_radii.width(), m_center.y() - m_radii.height(), 2 * m_radii.width(), 2 * m_radii.height());
     m_strokeBoundingBox = m_fillBoundingBox;
     if (style()->svgStyle().hasStroke())
         m_strokeBoundingBox.inflate(strokeWidth() / 2);
-    if (element())
-        element()->setNeedsResizeObserverUpdate();
 }
 
 void LayoutSVGEllipse::calculateRadiiAndCenter()
 {
     ASSERT(element());
     SVGLengthContext lengthContext(element());
     m_center = FloatPoint(
         lengthContext.valueForLength(style()->svgStyle().cx(), styleRef(), SVGLengthMode::Width),
         lengthContext.valueForLength(style()->svgStyle().cy(), styleRef(), SVGLengthMode::Height));
 
@@ skipping 36 matching lines @@
     return xrX * xrX + yrY * yrY <= 1.0;
 }
 
 bool LayoutSVGEllipse::hasContinuousStroke() const
 {
     const SVGComputedStyle& svgStyle = style()->svgStyle();
     return svgStyle.strokeDashArray()->isEmpty();
 }
 
 } // namespace blink