Remove unused AudioRendererImpl::ResetDecoder() declaration

media/renderers/audio_renderer_impl.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Audio rendering unit utilizing an AudioRendererSink to output data.
 //
 // This class lives inside three threads during it's lifetime, namely:
 // 1. Render thread
 //    Where the object is created.
 // 2. Media thread (provided via constructor)
@@ skipping 155 matching lines @@
   bool IsBeforeStartTime(const scoped_refptr<AudioBuffer>& buffer);
 
   // Called upon AudioBufferStream initialization, or failure thereof (indicated
   // by the value of |success|).
   void OnAudioBufferStreamInitialized(bool succes);
 
   // Used to initiate the flush operation once all pending reads have
   // completed.
   void DoFlush_Locked();
 
-  // Calls |decoder_|.Reset() and arranges for ResetDecoderDone() to get
-  // called when the reset completes.
-  void ResetDecoder();
-
   // Called when the |decoder_|.Reset() has completed.
   void ResetDecoderDone();
 
   // Called by the AudioBufferStream when a splice buffer is demuxed.
   void OnNewSpliceBuffer(base::TimeDelta);
 
   // Called by the AudioBufferStream when a config change occurs.
   void OnConfigChange();
 
   // Updates |buffering_state_| and fires |buffering_state_cb_|.
@@ skipping 76 matching lines @@
 
   // NOTE: Weak pointers must be invalidated before all other member variables.
   base::WeakPtrFactory<AudioRendererImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(AudioRendererImpl);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_RENDERERS_AUDIO_RENDERER_IMPL_H_