Revert of ResizeObserver pt6: integration

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

 /*
  * Copyright (C) 2011 University of Szeged
  * Copyright (C) 2011 Renata Hodovan <reni@webkit.org>
  * 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.
@@ skipping 65 matching lines @@
     }
 
     m_fillBoundingBox = FloatRect(
         FloatPoint(
             lengthContext.valueForLength(styleRef().svgStyle().x(), styleRef(), SVGLengthMode::Width),
             lengthContext.valueForLength(styleRef().svgStyle().y(), styleRef(), SVGLengthMode::Height)),
         boundingBoxSize);
     m_strokeBoundingBox = m_fillBoundingBox;
     if (style()->svgStyle().hasStroke())
         m_strokeBoundingBox.inflate(strokeWidth() / 2);
-    if (element())
-        element()->setNeedsResizeObserverUpdate();
 }
 
 bool LayoutSVGRect::shapeDependentStrokeContains(const FloatPoint& point)
 {
     // The optimized code below does not support non-simple strokes so we need
     // to fall back to LayoutSVGShape::shapeDependentStrokeContains in these cases.
     if (m_usePathFallback || !definitelyHasSimpleStroke()) {
         if (!hasPath())
             LayoutSVGShape::updateShapeFromElement();
         return LayoutSVGShape::shapeDependentStrokeContains(point);
@@ skipping 41 matching lines @@
     // An approximation of sqrt(2) is used here because at certain precise
     // miterlimits, the join style used might not be correct (e.g. a miterlimit
     // of 1.4142135 should result in bevel joins, but may be drawn using miter
     // joins).
     return svgStyle.strokeDashArray()->isEmpty()
         && svgStyle.joinStyle() == MiterJoin
         && svgStyle.strokeMiterLimit() >= 1.5;
 }
 
 } // namespace blink