Move deprecation messages to UseCounter::measureDeprecatedFeature.

Source/modules/webaudio/AudioBufferSourceNode.h

 /*
  * Copyright (C) 2010, 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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 61 matching lines @@
     // The old attribute is kept for backwards compatibility.
     bool loop() const { return m_isLooping; }
     void setLoop(bool looping) { m_isLooping = looping; }
 
     // Loop times in seconds.
     double loopStart() const { return m_loopStart; }
     double loopEnd() const { return m_loopEnd; }
     void setLoopStart(double loopStart) { m_loopStart = loopStart; }
     void setLoopEnd(double loopEnd) { m_loopEnd = loopEnd; }
 
-    // Deprecated.
-    bool looping();
-    void setLooping(bool);
-
     AudioParam* gain() { return m_gain.get(); }
     AudioParam* playbackRate() { return m_playbackRate.get(); }
 
     // If a panner node is set, then we can incorporate doppler shift into the playback pitch rate.
     void setPannerNode(PannerNode*);
     void clearPannerNode();
 
     // If we are no longer playing, propogate silence ahead to downstream nodes.
     virtual bool propagatesSilence() const;
 
@@ skipping 47 matching lines @@
     // the pitch rate. We manually manage ref-counting because we want to use RefTypeConnection.
     PannerNode* m_pannerNode;
 
     // This synchronizes process() with setBuffer() which can cause dynamic channel count changes.
     mutable Mutex m_processLock;
 };
 
 } // namespace WebCore
 
 #endif // AudioBufferSourceNode_h