Ignore MediaController in the closed captions button logic

Source/core/html/shadow/MediaControls.cpp

 /*
  * Copyright (C) 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2011, 2012 Google 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
@@ skipping 285 matching lines @@
         m_muteButton->renderer()->repaint();
 }
 
 void MediaControls::changedClosedCaptionsVisibility()
 {
     m_toggleClosedCaptionsButton->updateDisplayType();
 }
 
 void MediaControls::refreshClosedCaptionsButtonVisibility()
 {
-    if (mediaControllerInterface().hasClosedCaptions())
+    if (mediaElement().hasClosedCaptions())
         m_toggleClosedCaptionsButton->show();
     else
         m_toggleClosedCaptionsButton->hide();
 }
 
 void MediaControls::closedCaptionTracksChanged()
 {
     refreshClosedCaptionsButtonVisibility();
 }
 
@@ skipping 121 matching lines @@
 
 void MediaControls::updateTextTrackDisplay()
 {
     if (!m_textDisplayContainer)
         createTextTrackDisplay();
 
     m_textDisplayContainer->updateDisplay();
 }
 
 }