Remove unused parameter to OnError()

media/audio/simple_sources.cc

 // 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.
 // MSVC++ requires this to be set before any other includes to get M_PI.
 #define _USE_MATH_DEFINES
 #include <cmath>
 
 #include "media/audio/simple_sources.h"
 
 #include <algorithm>
@@ skipping 37 matching lines @@
   }
   return max_frames;
 }
 
 int SineWaveAudioSource::OnMoreIOData(AudioBus* source,
                                       AudioBus* dest,
                                       AudioBuffersState audio_buffers) {
   return OnMoreData(dest, audio_buffers);
 }
 
-void SineWaveAudioSource::OnError(AudioOutputStream* stream, int code) {
+void SineWaveAudioSource::OnError(AudioOutputStream* stream) {
   errors_++;
 }
 
 void SineWaveAudioSource::CapSamples(int cap) {
   base::AutoLock auto_lock(time_lock_);
   DCHECK_GT(cap, 0);
   cap_ = cap;
 }
 
 void SineWaveAudioSource::Reset() {
   base::AutoLock auto_lock(time_lock_);
   time_state_ = 0;
 }
 
 }  // namespace media