Pass camera facing info to audio client

content/browser/renderer_host/media/media_stream_manager.h

Index: content/browser/renderer_host/media/media_stream_manager.h
diff --git a/content/browser/renderer_host/media/media_stream_manager.h b/content/browser/renderer_host/media/media_stream_manager.h
index 8747539857459c586e05796386bea7f8223dc1c1..5e6498bfcbac2e34c148607133bffb4413bb933d 100644
--- a/content/browser/renderer_host/media/media_stream_manager.h
+++ b/content/browser/renderer_host/media/media_stream_manager.h
@@ -39,6 +39,7 @@
 #include "base/power_monitor/power_observer.h"
 #include "base/threading/thread.h"
 #include "build/build_config.h"
+#include "component/arc/video_facing.h"
 #include "content/browser/renderer_host/media/media_devices_manager.h"
 #include "content/browser/renderer_host/media/media_stream_provider.h"
 #include "content/common/content_export.h"
@@ -84,7 +85,8 @@ class CONTENT_EXPORT MediaStreamManager
   // logging from webrtcLoggingPrivate API. Safe to call from any thread.
   static void SendMessageToNativeLog(const std::string& message);
 
-  explicit MediaStreamManager(media::AudioManager* audio_manager);
+  explicit MediaStreamManager(media::AudioManager* audio_manager,
+                              component::VideoCaptureObserver* capture_observer);
 
   ~MediaStreamManager() override;
 
@@ -389,6 +391,7 @@ class CONTENT_EXPORT MediaStreamManager
   scoped_refptr<base::SingleThreadTaskRunner> device_task_runner_;
 
   media::AudioManager* const audio_manager_;  // not owned
+  component::VideoCaptureObserver* const capture_observer_; // not owned
   scoped_refptr<AudioInputDeviceManager> audio_input_device_manager_;
   scoped_refptr<VideoCaptureManager> video_capture_manager_;
 #if defined(OS_WIN)