Switching audio clients to using RestartableAudioRendererSink interface as a sink.

media/base/audio_renderer_mixer_input.h

Index: media/base/audio_renderer_mixer_input.h
diff --git a/media/base/audio_renderer_mixer_input.h b/media/base/audio_renderer_mixer_input.h
index 50f54bdd436f24a3fb54df0597cf7074a3578b59..34f37c5ee00a3c0d0803ef4f807992942bbf8401 100644
--- a/media/base/audio_renderer_mixer_input.h
+++ b/media/base/audio_renderer_mixer_input.h
@@ -11,6 +11,7 @@
 #include "base/macros.h"
 #include "media/base/audio_converter.h"
 #include "media/base/audio_renderer_sink.h"
+#include "media/base/output_device.h"
 #include "url/origin.h"
 
 namespace media {
@@ -32,8 +33,13 @@ class MEDIA_EXPORT AudioRendererMixerInput
                               const url::Origin& security_origin)>
       RemoveMixerCB;
 
+  typedef base::Callback<AudioParameters(const std::string& device_id,
+                                         const url::Origin& security_origin)>
+      GetHardwareParamsCB;
+
   AudioRendererMixerInput(const GetMixerCB& get_mixer_cb,
                           const RemoveMixerCB& remove_mixer_cb,
+                          const GetHardwareParamsCB& get_hardware_params_cb,
                           const std::string& device_id,
                           const url::Origin& security_origin);
 
@@ -63,7 +69,7 @@ class MEDIA_EXPORT AudioRendererMixerInput
  private:
   friend class AudioRendererMixerInputTest;
 
-  bool initialized_;
+  bool started_;
   bool playing_;
   double volume_;
 
@@ -76,6 +82,10 @@ class MEDIA_EXPORT AudioRendererMixerInput
   const GetMixerCB get_mixer_cb_;
   const RemoveMixerCB remove_mixer_cb_;
 
+  // Callbacks provided during construction which allows AudioRendererMixerInput
+  // to access hardware output parameters when it is detached from the mixer.
+  const GetHardwareParamsCB get_hardware_params_cb_;
+
   // AudioParameters received during Initialize().
   AudioParameters params_;