Merge 87802 - 2011-06-01 Shishir Agrawal <shishir@chromium.org>

Source/WebCore/dom/Document.idl

 /*
  * Copyright (C) 2006, 2007, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2006, 2007 Samuel Weinig <sam@webkit.org>
  *
  * 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 321 matching lines @@
             raises (DOMException);
 #endif
 
 #if defined(LANGUAGE_CPP) && LANGUAGE_CPP
         // Extra WebCore methods exposed to allow compile-time casting in C++
         boolean isHTMLDocument();
 #endif
 
         // Page visibility API.
         readonly attribute [Conditional=PAGE_VISIBILITY_API] DOMString webkitVisibilityState;
-        readonly attribute [Conditional=PAGE_VISIBILITY_API] boolean webkitIsVisible;
+        readonly attribute [Conditional=PAGE_VISIBILITY_API] boolean webkitHidden;
 
     };
 
 }