New media playback UI.

Source/core/testing/Internals.idl

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  * Copyright (C) 2013 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.
@@ skipping 197 matching lines @@
 
     [RaisesException] void setDeviceScaleFactor(float scaleFactor);
     [RaisesException] void setPageScaleFactor(float scaleFactor);
     [RaisesException] void setPageScaleFactorLimits(float minScaleFactor, float maxScaleFactor);
 
     [RaisesException, TypeChecking=Interface] void setIsCursorVisible(Document document, boolean isVisible);
 
     [TypeChecking=Interface] double effectiveMediaVolume(HTMLMediaElement mediaElement);
     [TypeChecking=Interface] void mediaPlayerRemoteRouteAvailabilityChanged(HTMLMediaElement mediaElement, boolean available);
     [TypeChecking=Interface] void mediaPlayerPlayingRemotelyChanged(HTMLMediaElement mediaElement, boolean remote);
+    [TypeChecking=Interface] void setAllowHiddenAudioElements(HTMLMediaElement mediaElement, boolean allow);
 
     void registerURLSchemeAsBypassingContentSecurityPolicy(DOMString scheme);
     void registerURLSchemeAsBypassingContentSecurityPolicy(DOMString scheme, sequence<DOMString> policyAreas);
     void removeURLSchemeRegisteredAsBypassingContentSecurityPolicy(DOMString scheme);
 
     TypeConversions typeConversions();
 
     // This is enabled only in Debug builds.
     // This is because we want to avoid putting the byte stream of testing private scripts
     // into the binary of Release builds.
@@ skipping 94 matching lines @@
     boolean isUseCounted(Document document, long useCounterId);
 
     iterable<long>;
 
     [Unscopeable] readonly attribute DOMString unscopeableAttribute;
     [Unscopeable] DOMString unscopeableMethod();
 
     ClientRectList focusRingRects(Element element);
     void setCapsLockState(boolean enabled);
 };