New media playback UI.

Source/core/html/HTMLMediaElement.h

 /*
  * Copyright (C) 2007, 2008, 2009, 2010, 2011, 2012, 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.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 410 matching lines @@
 
     void changeNetworkStateFromLoadingToIdle();
 
     const AtomicString& mediaGroup() const;
     void setMediaGroup(const AtomicString&);
     void updateMediaController();
     bool isBlocked() const;
     bool isBlockedOnMediaController() const;
     bool isAutoplaying() const { return m_autoplaying; }
 
+    void setAllowHiddenAudioElements(bool);
+
     WebMediaPlayer::CORSMode corsMode() const;
 
     // Returns the "direction of playback" value as specified in the HTML5 spec.
     enum DirectionOfPlayback { Backward, Forward };
     DirectionOfPlayback directionOfPlayback() const;
 
     // Returns the "effective playback rate" value as specified in the HTML5 spec.
     double effectivePlaybackRate() const;
 
     // Creates placeholder AudioTrack and/or VideoTrack objects when WebMemediaPlayer objects
@@ skipping 138 matching lines @@
 inline bool isHTMLMediaElement(const HTMLElement& element)
 {
     return isHTMLAudioElement(element) || isHTMLVideoElement(element);
 }
 
 DEFINE_HTMLELEMENT_TYPE_CASTS_WITH_FUNCTION(HTMLMediaElement);
 
 } // namespace blink
 
 #endif // HTMLMediaElement_h