[v8] Check for availablity of the media engine

third_party/WebKit/WebCore/page/DOMWindow.idl

 /*
  * Copyright (C) 2006, 2007, 2008, 2009 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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 506 matching lines @@
 
         attribute ClientRectConstructor ClientRect;
         attribute ClientRectListConstructor ClientRectList;
 
 #if defined(ENABLE_DOM_STORAGE) && ENABLE_DOM_STORAGE
         attribute StorageConstructor Storage;
         attribute StorageEventConstructor StorageEvent;
 #endif
 
         attribute [CustomGetter,Conditional=VIDEO,EnabledAtRuntime] HTMLAudioElementConstructor Audio; // Usable with the new operator
-        attribute [Conditional=VIDEO] HTMLAudioElementConstructor HTMLAudioElement;
-        attribute [Conditional=VIDEO] HTMLMediaElementConstructor HTMLMediaElement;
-        attribute [Conditional=VIDEO] HTMLVideoElementConstructor HTMLVideoElement;
-        attribute [Conditional=VIDEO] MediaErrorConstructor MediaError;
+        attribute [Conditional=VIDEO,EnabledAtRuntime] HTMLAudioElementConstructor HTMLAudioElement;
+        attribute [Conditional=VIDEO,EnabledAtRuntime] HTMLMediaElementConstructor HTMLMediaElement;
+        attribute [Conditional=VIDEO,EnabledAtRuntime] HTMLVideoElementConstructor HTMLVideoElement;
+        attribute [Conditional=VIDEO,EnabledAtRuntime] MediaErrorConstructor MediaError;
 
 #if defined(ENABLE_XPATH) && ENABLE_XPATH
         attribute XPathEvaluatorConstructor XPathEvaluator;
         attribute XPathResultConstructor XPathResult;
         attribute XPathExceptionConstructor XPathException;
 #endif
 
 #if defined(ENABLE_SVG) && ENABLE_SVG
         attribute SVGAngleConstructor SVGAngle;
         attribute SVGColorConstructor SVGColor;
@@ skipping 26 matching lines @@
 
 #endif // defined(LANGUAGE_JAVASCRIPT)
 
 #if defined(V8_BINDING) && V8_BINDING
         // window.toString() requires special handling in V8
         [V8DoNotCheckSignature, DoNotCheckDomainSecurity, Custom, DontEnum] DOMString toString();
 #endif // defined(V8_BINDING)
     };
 
 }