Remove unused parameter to OnError()

content/browser/renderer_host/media/web_contents_audio_input_stream.cc

 // Copyright (c) 2013 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 "content/browser/renderer_host/media/web_contents_audio_input_stream.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 186 matching lines @@
   DCHECK(message_loop_->BelongsToCurrentThread());
 
   return target_render_process_id_ <= 0 || target_render_view_id_ <= 0;
 }
 
 void WebContentsAudioInputStream::Impl::ReportError() {
   DCHECK(message_loop_->BelongsToCurrentThread());
 
   // TODO(miu): Need clean-up of AudioInputCallback interface in a future
   // change, since its only implementation ignores the first argument entirely
-  // and the values for the second argument are undefined.
-  callback_->OnError(NULL, 0);
+  callback_->OnError(NULL);
 }
 
 void WebContentsAudioInputStream::Impl::StartMirroring() {
   DCHECK(message_loop_->BelongsToCurrentThread());
 
   BrowserThread::PostTask(
       BrowserThread::IO,
       FROM_HERE,
       base::Bind(&AudioMirroringManager::StartMirroring,
                  base::Unretained(mirroring_manager_),
@@ skipping 120 matching lines @@
 
 void WebContentsAudioInputStream::SetAutomaticGainControl(bool enabled) {
   impl_->mixer_stream()->SetAutomaticGainControl(enabled);
 }
 
 bool WebContentsAudioInputStream::GetAutomaticGainControl() {
   return impl_->mixer_stream()->GetAutomaticGainControl();
 }
 
 }  // namespace content