Make [TypeChecking=Interface] the default

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

 /*
  * Copyright (C) 2004, 2005 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2010 Rob Buis <buis@kde.org>
  * Copyright (C) 2006 Samuel Weinig <sam.weinig@gmail.com>
  * Copyright (C) 2006 Apple Inc. All rights reserved.
  *
  * 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,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */
 
 // http://www.w3.org/TR/SVG2/struct.html#InterfaceSVGSVGElement
 
-[
-    TypeChecking=Interface,
-] interface SVGSVGElement : SVGGraphicsElement {
+interface SVGSVGElement : SVGGraphicsElement {
 
     [RuntimeEnabled=SVG1DOM, MeasureAs=SVG1DOM] readonly attribute SVGAnimatedLength x;
     [RuntimeEnabled=SVG1DOM, MeasureAs=SVG1DOM] readonly attribute SVGAnimatedLength y;
     [RuntimeEnabled=SVG1DOM, MeasureAs=SVG1DOM] readonly attribute SVGAnimatedLength width;
     [RuntimeEnabled=SVG1DOM, MeasureAs=SVG1DOM] readonly attribute SVGAnimatedLength height;
     // TODO(philipj): viewport should be a DOMRectReadOnly.
     readonly attribute SVGRect viewport;
     // TODO(philipj): useCurrentView and currentView have been removed:
     // https://github.com/w3c/svgwg/commit/4c26fd36937a65192024208d85c144a21071b057
     [Measure] readonly attribute boolean useCurrentView;
@@ skipping 29 matching lines @@
     [RuntimeEnabled=SVG1DOM, MeasureAs=SVG1DOM] SVGTransform createSVGTransform();
     [RuntimeEnabled=SVG1DOM, MeasureAs=SVG1DOM] SVGTransform createSVGTransformFromMatrix(SVGMatrix matrix);
 
     // TODO(philipj): The following was part of SVG 1.1:
     // http://www.w3.org/TR/SVG11/struct.html#InterfaceSVGSVGElement
     [Measure] Element getElementById(DOMString elementId);
 };
 
 SVGSVGElement implements SVGFitToViewBox;
 SVGSVGElement implements SVGZoomAndPan;