Remove MEDIA_SOURCE feature define.

Source/WebCore/platform/graphics/MediaPlayerPrivate.h

 /*
  * Copyright (C) 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 27 matching lines @@
 class IntSize;
 class PlatformTextTrack;
 
 class MediaPlayerPrivateInterface {
     WTF_MAKE_NONCOPYABLE(MediaPlayerPrivateInterface); WTF_MAKE_FAST_ALLOCATED;
 public:
     MediaPlayerPrivateInterface() { }
     virtual ~MediaPlayerPrivateInterface() { }
 
     virtual void load(const String& url) = 0;
-#if ENABLE(MEDIA_SOURCE)
     virtual void load(const String& url, PassRefPtr<MediaSource>) = 0;
-#endif
     virtual void cancelLoad() = 0;
-    
+
     virtual void prepareToPlay() { }
     virtual PlatformMedia platformMedia() const { return NoPlatformMedia; }
 #if USE(ACCELERATED_COMPOSITING)
     virtual PlatformLayer* platformLayer() const { return 0; }
 #endif
 
     virtual void play() = 0;
-    virtual void pause() = 0;    
+    virtual void pause() = 0;
 
     virtual bool supportsFullscreen() const { return false; }
     virtual bool supportsSave() const { return false; }
     virtual bool supportsScanning() const { return false; }
 
     virtual IntSize naturalSize() const = 0;
 
     virtual bool hasVideo() const = 0;
     virtual bool hasAudio() const = 0;
 
@@ skipping 119 matching lines @@
 
 #if USE(GSTREAMER)
     virtual void simulateAudioInterruption() { }
 #endif
 };
 
 }
 
 #endif
 #endif