Remove the AudioManager singleton.

content/browser/speech/speech_recognizer.cc

 // Copyright (c) 2011 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.h"
 
 #include "base/bind.h"
 #include "base/time.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/common/speech_input_result.h"
@@ skipping 43 matching lines @@
 const ChannelLayout SpeechRecognizer::kChannelLayout = CHANNEL_LAYOUT_MONO;
 const int SpeechRecognizer::kNumBitsPerAudioSample = 16;
 const int SpeechRecognizer::kNoSpeechTimeoutSec = 8;
 const int SpeechRecognizer::kEndpointerEstimationTimeMs = 300;
 
 SpeechRecognizer::SpeechRecognizer(Delegate* delegate,
                                    int caller_id,
                                    const std::string& language,
                                    const std::string& grammar,
                                    net::URLRequestContextGetter* context_getter,
+                                   AudioManager* audio_manager,
                                    bool filter_profanities,
                                    const std::string& hardware_info,
                                    const std::string& origin_url)
     : delegate_(delegate),
       caller_id_(caller_id),
       language_(language),
       grammar_(grammar),
       filter_profanities_(filter_profanities),
       hardware_info_(hardware_info),
       origin_url_(origin_url),
       context_getter_(context_getter),
+      audio_manager_(audio_manager),
       codec_(AudioEncoder::CODEC_FLAC),
       encoder_(NULL),
       endpointer_(kAudioSampleRate),
       num_samples_recorded_(0),
       audio_level_(0.0f) {
   endpointer_.set_speech_input_complete_silence_length(
       base::Time::kMicrosecondsPerSecond / 2);
   endpointer_.set_long_speech_input_complete_silence_length(
       base::Time::kMicrosecondsPerSecond);
   endpointer_.set_long_speech_length(3 * base::Time::kMicrosecondsPerSecond);
@@ skipping 19 matching lines @@
   // starting to treat the audio as user input. In |HandleOnData| we wait until
   // such time has passed before switching to user input mode.
   endpointer_.SetEnvironmentEstimationMode();
 
   encoder_.reset(AudioEncoder::Create(codec_, kAudioSampleRate,
                                       kNumBitsPerAudioSample));
   int samples_per_packet = (kAudioSampleRate * kAudioPacketIntervalMs) / 1000;
   AudioParameters params(AudioParameters::AUDIO_PCM_LINEAR, kChannelLayout,
                          kAudioSampleRate, kNumBitsPerAudioSample,
                          samples_per_packet);
-  audio_controller_ = AudioInputController::Create(this, params);
+  audio_controller_ = AudioInputController::Create(audio_manager_.get(), this,
+                                                   params);
   DCHECK(audio_controller_.get());
   VLOG(1) << "SpeechRecognizer starting record.";
   num_samples_recorded_ = 0;
   audio_controller_->Record();
 
   return true;
 }
 
 void SpeechRecognizer::CancelRecognition() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
@@ skipping 83 matching lines @@
   // recording might have been stopped after this buffer was posted to the queue
   // by |OnData|.
   if (!audio_controller_.get()) {
     delete data;
     return;
   }
 
   bool speech_was_heard_before_packet = endpointer_.DidStartReceivingSpeech();
 
   const short* samples = reinterpret_cast<const short*>(data->data());
-  DCHECK((data->length() % sizeof(short)) == 0);
+  DCHECK_EQ((data->length() % sizeof(short)), 0U);
   int num_samples = data->length() / sizeof(short);
   encoder_->Encode(samples, num_samples);
   float rms;
   endpointer_.ProcessAudio(samples, num_samples, &rms);
   bool did_clip = Clipping(samples, num_samples);
   delete data;
   num_samples_recorded_ += num_samples;
 
   if (request_ == NULL) {
     // This was the first audio packet recorded, so start a request to the
@@ skipping 71 matching lines @@
     content::SpeechInputError error) {
   DCHECK_NE(error, content::SPEECH_INPUT_ERROR_NONE);
   CancelRecognition();
 
   // Guard against the delegate freeing us until we finish our job.
   scoped_refptr<SpeechRecognizer> me(this);
   delegate_->OnRecognizerError(caller_id_, error);
 }
 
 }  // namespace speech_input