Refactor AudioParameters member setting.

content/browser/speech/speech_recognizer_impl.cc

Index: content/browser/speech/speech_recognizer_impl.cc
diff --git a/content/browser/speech/speech_recognizer_impl.cc b/content/browser/speech/speech_recognizer_impl.cc
index b38963dc91e90e7be68b8493f2bfc0884ce2e277..4a96cef50072eb9be5405643a9668df1bc88b55b 100644
--- a/content/browser/speech/speech_recognizer_impl.cc
+++ b/content/browser/speech/speech_recognizer_impl.cc
@@ -239,7 +239,7 @@ bool SpeechRecognizerImpl::IsActive() const {
 }
 
 bool SpeechRecognizerImpl::IsCapturingAudio() const {
-  DCHECK_CURRENTLY_ON(BrowserThread::IO); // See IsActive().
+  DCHECK_CURRENTLY_ON(BrowserThread::IO);  // See IsActive().
   const bool is_capturing_audio = state_ >= STATE_STARTING &&
                                   state_ <= STATE_RECOGNIZING;
   DCHECK((is_capturing_audio && (audio_controller_.get() != NULL)) ||
@@ -489,7 +489,7 @@ void SpeechRecognizerImpl::ProcessAudioPipeline(const AudioChunk& raw_audio) {
     endpointer_.ProcessAudio(raw_audio, &rms);
 
   if (route_to_vumeter) {
-    DCHECK(route_to_endpointer); // Depends on endpointer due to |rms|.
+    DCHECK(route_to_endpointer);  // Depends on endpointer due to |rms|.
     UpdateSignalAndNoiseLevels(rms, clip_detected);
   }
   if (route_to_sr_engine) {
@@ -563,10 +563,10 @@ SpeechRecognizerImpl::StartRecording(const FSMEventArgs&) {
         ((in_params.sample_rate() * chunk_duration_ms) / 1000.0) + 0.5;
     input_parameters.Reset(in_params.format(),
                            in_params.channel_layout(),
-                           in_params.channels(),
                            in_params.sample_rate(),
                            in_params.bits_per_sample(),
                            frames_per_buffer);
+    input_parameters.set_channels_for_discrete(in_params.channels());
     DVLOG(1) << "SRI::input_parameters: "
              << input_parameters.AsHumanReadableString();
   }