Remove the last piece of deprecated synchronous IO code.

content/browser/speech/speech_recognizer_impl.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/speech/speech_recognizer_impl.h"
 
 #include "base/basictypes.h"
 #include "base/bind.h"
 #include "base/time/time.h"
 #include "content/browser/browser_main_loop.h"
@@ skipping 538 matching lines @@
     // and the idea is to simplify the audio conversion since each Convert()
     // call will then render exactly one ProvideInput() call.
     // Due to implementation details in the audio converter, 2 milliseconds
     // are added to the default frame size (100 ms) to ensure there is enough
     // data to generate 100 ms of output when resampling.
     frames_per_buffer =
         ((in_params.sample_rate() * (chunk_duration_ms + 2)) / 1000.0) + 0.5;
     input_parameters.Reset(in_params.format(),
                            in_params.channel_layout(),
                            in_params.channels(),
-                           in_params.input_channels(),
                            in_params.sample_rate(),
                            in_params.bits_per_sample(),
                            frames_per_buffer);
   }
 
   // Create an audio converter which converts data between native input format
   // and WebSpeech specific output format.
   audio_converter_.reset(
       new OnDataConverter(input_parameters, output_parameters));
 
@@ skipping 246 matching lines @@
 SpeechRecognizerImpl::FSMEventArgs::FSMEventArgs(FSMEvent event_value)
     : event(event_value),
       audio_data(NULL),
       engine_error(SPEECH_RECOGNITION_ERROR_NONE) {
 }
 
 SpeechRecognizerImpl::FSMEventArgs::~FSMEventArgs() {
 }
 
 }  // namespace content