Remove non-standard API SVGStyleElement#disabled

third_party/WebKit/Source/core/svg/SVGStyleElement.idl

 /*
  * Copyright (C) Samuel Weinig <sam.weinig@gmail.com>
  * Copyright (C) 2006 Apple 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 16 matching lines @@
 // https://svgwg.org/svg2-draft/styling.html#InterfaceSVGStyleElement
 
 interface SVGStyleElement : SVGElement {
     attribute DOMString type;
     attribute DOMString media;
     [MeasureAs=SVGStyleElementTitle] attribute DOMString title;
 
     // SVGStyleElement implements LinkStyle
     // https://dev.w3.org/csswg/cssom/#the-linkstyle-interface
     readonly attribute StyleSheet? sheet;
-
-    // TODO(foolip): The disabled attribute was not in SVG 1.1 and has been
-    // removed from HTMLLinkElement and HTMLStyleElement in the HTML spec:
-    // https://www.w3.org/Bugs/Public/show_bug.cgi?id=14703
-    [Measure] attribute boolean disabled;
 };