Removed unused member TextTrackChangesNotification in DelayedActionType

third_party/WebKit/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 69 matching lines @@
 
     virtual bool hasVideo() const { return false; }
     bool hasAudio() const;
 
     bool supportsSave() const;
 
     WebLayer* platformLayer() const;
 
     enum DelayedActionType {
         LoadMediaResource = 1 << 0,
-        LoadTextTrackResource = 1 << 1,
-        TextTrackChangesNotification = 1 << 2
+        LoadTextTrackResource = 1 << 1
     };
     void scheduleDelayedAction(DelayedActionType);
 
     bool hasRemoteRoutes() const { return m_remoteRoutesAvailable; }
     bool isPlayingRemotely() const { return m_playingRemotely; }
 
     // error state
     MediaError* error() const;
 
     // network state
@@ skipping 522 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