Remove HTMLMediaElement.webkitHasClosedCaptions/webkitClosedCaptionsVisible

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 124 matching lines @@
     PassRefPtr<TimeRanges> played();
     PassRefPtr<TimeRanges> seekable() const;
     bool ended() const;
     bool autoplay() const;
     void setAutoplay(bool b);
     bool loop() const;
     void setLoop(bool b);
     void play();
     void pause();
 
-// captions
-    bool webkitHasClosedCaptions() const;
-    bool webkitClosedCaptionsVisible() const;
-    void setWebkitClosedCaptionsVisible(bool);
-
 // Statistics
     unsigned webkitAudioDecodedByteCount() const;
     unsigned webkitVideoDecodedByteCount() const;
 
 //  Media Source.
     void closeMediaSource();
 
     void durationChanged(double duration);
 
     void webkitGenerateKeyRequest(const String& keySystem, PassRefPtr<Uint8Array> initData, ExceptionState&);
@@ skipping 448 matching lines @@
 
 inline HTMLMediaElement* toHTMLMediaElement(Node* node)
 {
     ASSERT_WITH_SECURITY_IMPLICATION(!node || isHTMLMediaElement(node));
     return static_cast<HTMLMediaElement*>(node);
 }
 
 } //namespace
 
 #endif