Removing AudioSystem::GetAudioManager() usage from speech recognition

content/browser/speech/speech_recognition_manager_impl.h

Index: content/browser/speech/speech_recognition_manager_impl.h
diff --git a/content/browser/speech/speech_recognition_manager_impl.h b/content/browser/speech/speech_recognition_manager_impl.h
index 2f17def7db16175c3717f0178a3adad28e9058ba..0f06e91d9e5adbaefd02c3e2a3549dd40eb3de81 100644
--- a/content/browser/speech/speech_recognition_manager_impl.h
+++ b/content/browser/speech/speech_recognition_manager_impl.h
@@ -21,6 +21,7 @@
 
 namespace media {
 class AudioSystem;
+class AudioManager;
 }
 
 namespace content {
@@ -97,6 +98,7 @@ class CONTENT_EXPORT SpeechRecognitionManagerImpl :
   // Needed for dtor.
   friend std::default_delete<SpeechRecognitionManagerImpl>;
   SpeechRecognitionManagerImpl(media::AudioSystem* audio_system,
+                               media::AudioManager* audio_manager,
                                MediaStreamManager* media_stream_manager);
   ~SpeechRecognitionManagerImpl() override;
 
@@ -172,6 +174,7 @@ class CONTENT_EXPORT SpeechRecognitionManagerImpl :
   int GetNextSessionID();
 
   media::AudioSystem* audio_system_;
+  media::AudioManager* audio_manager_;
   MediaStreamManager* media_stream_manager_;
   typedef std::map<int, Session*> SessionsTable;
   SessionsTable sessions_;