Move ReadyState enum from MediaControllerInterface to HTMLMediaElement

Source/core/html/MediaControllerInterface.h

 /*
  * Copyright (C) 2011 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 44 matching lines @@
 
     virtual double playbackRate() const = 0;
     virtual void setPlaybackRate(double) = 0;
 
     virtual double volume() const = 0;
     virtual void setVolume(double, ExceptionState&) = 0;
 
     virtual bool muted() const = 0;
     virtual void setMuted(bool) = 0;
 
-    enum ReadyState { HAVE_NOTHING, HAVE_METADATA, HAVE_CURRENT_DATA, HAVE_FUTURE_DATA, HAVE_ENOUGH_DATA };
-    virtual ReadyState readyState() const = 0;
-
     // MediaControlElements:
     virtual bool isFullscreen() const = 0;
     virtual void enterFullscreen() = 0;
 
     virtual bool hasAudio() const = 0;
     virtual bool hasVideo() const = 0;
     virtual bool hasClosedCaptions() const = 0;
     virtual void setClosedCaptionsVisible(bool) = 0;
     virtual bool closedCaptionsVisible() const = 0;
 
     virtual void beginScrubbing() = 0;
     virtual void endScrubbing() = 0;
 
     virtual bool canPlay() const = 0;
 
     virtual bool hasCurrentSrc() const = 0;
 };
 
 }
 
 #endif