[DoNotCheckSecurity=Getter] => [DoNotCheckSecurity]

Source/core/frame/Window.idl

 /*
  * Copyright (C) 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2011 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
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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 // HTML 5 draft spec:
 // http://www.w3.org/html/wg/drafts/html/master/browsers.html#window
+// FIXME: explain all uses of [DoNotCheckSecurity]
 [
     CheckSecurity=Frame,
     CustomToV8,
     DoNotGenerateWrap,
     ImplementedAs=DOMWindow,
 ] interface Window : EventTarget {
     // DOM Level 0
     [Replaceable] readonly attribute Screen screen;
     [Replaceable] readonly attribute History history;
     [Replaceable] readonly attribute BarProp locationbar;
@@ skipping 71 matching lines @@
     attribute DOMString status;
     attribute DOMString defaultStatus;
     // This attribute is an alias of defaultStatus and is necessary for legacy uses.
     [ImplementedAs=defaultStatus] attribute DOMString defaultstatus;
 
     // Self referential attributes
     [Replaceable, DoNotCheckSecurity] readonly attribute Window self;
     [DoNotCheckSecurity, Unforgeable] readonly attribute Window window;
     [Replaceable, DoNotCheckSecurity] readonly attribute  Window frames;
 
-    [DoNotCheckSecurity=Getter, Custom=Setter] attribute Window opener;
+    [DoNotCheckSecurity, Custom=Setter] attribute Window opener;
     [Replaceable, DoNotCheckSecurity] readonly attribute Window parent;
     [DoNotCheckSecurity, Unforgeable] readonly attribute Window top;
 
     // DOM Level 2 AbstractView Interface
     readonly attribute Document document;
 
     // CSSOM View Module
     MediaQueryList matchMedia(DOMString query);
 
     // styleMedia has been removed from the CSSOM View specification.
@@ skipping 103 matching lines @@
 
     [ImplementedAs=anonymousIndexedGetter, NotEnumerable] getter Window(unsigned long index);
     [Custom, NotEnumerable] getter Window (DOMString name);
 };
 
 Window implements GlobalEventHandlers;
 Window implements ImageBitmapFactories;
 Window implements WindowBase64;
 Window implements WindowEventHandlers;
 Window implements WindowTimers;