Revert of Revert of Remove the last piece of deprecated synchronous IO code.

media/audio/win/core_audio_util_win.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/win/core_audio_util_win.h"
 
 #include <audioclient.h>
 #include <devicetopology.h>
 #include <functiondiscoverykeys_devpkey.h>
 
@@ skipping 680 matching lines @@
     return AUDCLNT_E_ENDPOINT_CREATE_FAILED;
   }
 
   HRESULT hr = GetPreferredAudioParameters(client, params);
   if (FAILED(hr))
     return hr;
 
   if (role == eCommunications) {
     // Raise the 'DUCKING' flag for default communication devices.
     *params = AudioParameters(params->format(), params->channel_layout(),
-        params->channels(), params->input_channels(), params->sample_rate(),
-        params->bits_per_sample(), params->frames_per_buffer(),
+        params->channels(), params->sample_rate(), params->bits_per_sample(),
+        params->frames_per_buffer(),
         params->effects() | AudioParameters::DUCKING);
   }
 
   return hr;
 }
 
 HRESULT CoreAudioUtil::GetPreferredAudioParameters(
     const std::string& device_id, AudioParameters* params) {
   DCHECK(IsSupported());
   ScopedComPtr<IMMDevice> device(CreateDevice(device_id));
@@ skipping 134 matching lines @@
     return false;
 
   // Using the AUDCLNT_BUFFERFLAGS_SILENT flag eliminates the need to
   // explicitly write silence data to the rendering buffer.
   DVLOG(2) << "filling up " << num_frames_to_fill << " frames with silence";
   return SUCCEEDED(render_client->ReleaseBuffer(num_frames_to_fill,
                                                 AUDCLNT_BUFFERFLAGS_SILENT));
 }
 
 }  // namespace media