Remove unused parameter "stream" from all variants of OnMoreData().

media/audio/audio_output_controller.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.
 
 #include "media/audio/audio_output_controller.h"
 
 #include "base/bind.h"
 #include "base/debug/trace_event.h"
 #include "base/message_loop.h"
 #include "base/synchronization/waitable_event.h"
@@ skipping 258 matching lines @@
       return;
   }
 }
 
 void AudioOutputController::DoReportError(int code) {
   DCHECK(message_loop_->BelongsToCurrentThread());
   if (state_ != kClosed)
     handler_->OnError(this, code);
 }
 
-uint32 AudioOutputController::OnMoreData(
-    AudioOutputStream* stream, uint8* dest,
-    uint32 max_size, AudioBuffersState buffers_state) {
+uint32 AudioOutputController::OnMoreData(uint8* dest,
+                                         uint32 max_size,
+                                         AudioBuffersState buffers_state) {
   TRACE_EVENT0("audio", "AudioOutputController::OnMoreData");
 
   {
     // Check state and do nothing if we are not playing.
     // We are on the hardware audio thread, so lock is needed.
     base::AutoLock auto_lock(lock_);
     if (state_ != kPlaying) {
       return 0;
     }
   }
@@ skipping 32 matching lines @@
     stream_ = NULL;
     weak_this_.InvalidateWeakPtrs();
   }
 
   // Should be last in the method, do not touch "this" from here on.
   if (done != NULL)
     done->Signal();
 }
 
 }  // namespace media