Revert of Switching AudioOutputAuthorizationHandler from using AudioManager interface to AudioSystem one.

media/audio/audio_system.h

Index: media/audio/audio_system.h
diff --git a/media/audio/audio_system.h b/media/audio/audio_system.h
index 76319cc2eb75aa1f84c513f030ce9f6729c9e872..a11b030c742ab22e6b195f2a40388decd7df488c 100644
--- a/media/audio/audio_system.h
+++ b/media/audio/audio_system.h
@@ -25,23 +25,8 @@
 
   virtual ~AudioSystem();
 
-  // Callback may receive invalid parameters, it means the specified device is
-  // not found. This is best-effort: valid parameters do not guarantee existance
-  // of the device.
-  // TODO(olka,tommi): fix all AudioManager implementations to return invalid
-  // parameters if the device is not found.
+  // Callback will receive invalid parameters if the device is not found.
   virtual void GetInputStreamParameters(
-      const std::string& device_id,
-      OnAudioParamsCallback on_params_cb) const = 0;
-
-  // If media::AudioDeviceDescription::IsDefaultDevice(device_id) is true,
-  // callback will receive the parameters of the default output device.
-  // Callback may receive invalid parameters, it means the specified device is
-  // not found. This is best-effort: valid parameters do not guarantee existance
-  // of the device.
-  // TODO(olka,tommi): fix all AudioManager implementations to return invalid
-  // parameters if the device is not found.
-  virtual void GetOutputStreamParameters(
       const std::string& device_id,
       OnAudioParamsCallback on_params_cb) const = 0;