Roll 50: Copied IDLs, PYTHON scripts from WebKit removed deleted files in WebCore

core/html/HTMLEmbedElement.idl

 /*
  * Copyright (C) 2006, 2007, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Samuel Weinig <sam.weinig@gmail.com>
  *
  * 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 11 matching lines @@
 
 // TODO(yukishiino): HTMLEmbedElement should not have [OverrideBuiltins].
 [
     Custom=LegacyCallAsFunction,
     OverrideBuiltins,
 ] interface HTMLEmbedElement : HTMLElement {
     [Reflect, URL] attribute DOMString src;
     [Reflect] attribute DOMString type;
     [Reflect] attribute DOMString width;
     [Reflect] attribute DOMString height;
-    [CheckSecurity=Node, RaisesException] Document? getSVGDocument();
+    [CheckSecurity=ReturnValue, RaisesException] Document? getSVGDocument();
     // FIXME: The spec has a legacycaller any (any... arguments); crbug.com/465009
 
     // obsolete members
     // https://html.spec.whatwg.org/#HTMLEmbedElement-partial
     [Reflect] attribute DOMString align;
     [Reflect] attribute DOMString name;
 
     // FIXME: None of these getters and setters are in the spec.
     [Custom, NotEnumerable] getter boolean (unsigned long index);
     [Custom] setter boolean (unsigned long index, Node value);
     [Custom, NotEnumerable] getter Node (DOMString name);
     [Custom] setter Node (DOMString name, Node value);
 };