Make MediaControls minimally virtual

Source/core/html/HTMLMediaElement.cpp

 /*
  * 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 1498 matching lines @@
         if (m_networkState < NETWORK_LOADING || m_networkState == NETWORK_NO_SOURCE)
             startProgressEventTimer();
         m_networkState = NETWORK_LOADING;
     }
 
     if (state == MediaPlayer::Loaded) {
         if (m_networkState != NETWORK_IDLE)
             changeNetworkStateFromLoadingToIdle();
         m_completelyLoaded = true;
     }
-
-    if (hasMediaControls())
-        mediaControls()->updateStatusDisplay();
 }
 
 void HTMLMediaElement::changeNetworkStateFromLoadingToIdle()
 {
     m_progressEventTimer.stop();
     if (hasMediaControls() && m_player->didLoadingProgress())
         mediaControls()->bufferingProgressed();
 
     // Schedule one last progress event so we guarantee that at least one is fired
     // for files that load very quickly.
@@ skipping 103 matching lines @@
             invalidateCachedTime();
             scheduleEvent(EventTypeNames::play);
             scheduleEvent(EventTypeNames::playing);
         }
 
         shouldUpdateDisplayState = true;
     }
 
     if (shouldUpdateDisplayState) {
         updateDisplayState();
-        if (hasMediaControls()) {
+        if (hasMediaControls())
             mediaControls()->refreshClosedCaptionsButtonVisibility();
-            mediaControls()->updateStatusDisplay();
-        }
     }
 
     updatePlayState();
     updateMediaController();
     if (RuntimeEnabledFeatures::videoTrackEnabled())
         updateActiveTextTrackCues(currentTime());
 }
 
 void HTMLMediaElement::mediaPlayerKeyAdded(const String& keySystem, const String& sessionId)
 {
@@ skipping 2290 matching lines @@
 {
     m_mediaSource->setWebMediaSourceAndOpen(adoptPtr(webMediaSource));
 }
 
 bool HTMLMediaElement::isInteractiveContent() const
 {
     return fastHasAttribute(controlsAttr);
 }
 
 }