Pass camera facing info to audio client

content/browser/renderer_host/media/audio_output_authorization_handler_unittest.cc

Index: content/browser/renderer_host/media/audio_output_authorization_handler_unittest.cc
diff --git a/content/browser/renderer_host/media/audio_output_authorization_handler_unittest.cc b/content/browser/renderer_host/media/audio_output_authorization_handler_unittest.cc
index ab19418b909b1edcf26627c3b7351e98738a6ef5..366cf395dae17fdf0d068833d5a467baed53b345 100644
--- a/content/browser/renderer_host/media/audio_output_authorization_handler_unittest.cc
+++ b/content/browser/renderer_host/media/audio_output_authorization_handler_unittest.cc
@@ -10,6 +10,7 @@
 #include "base/command_line.h"
 #include "base/memory/ptr_util.h"
 #include "base/run_loop.h"
+#include "component/arc/video_facing.h"
 #include "content/browser/audio_manager_thread.h"
 #include "content/browser/browser_thread_impl.h"
 #include "content/public/browser/browser_thread.h"
@@ -54,6 +55,12 @@ struct MockListener {
   }
 };
 
+class MockVideoCaptureObserver : public component::VideoCaptureObserver {
+ public:
+  MOCK_METHOD1(OnVideoCaptureStarted, void(component::VideoFacingMode));
+  MOCK_METHOD1(OnVideoCaptureStopped, void(component::VideoFacingMode));
+};
+
 url::Origin SecurityOrigin() {
   return url::Origin(GURL(kSecurityOriginString));
 }
@@ -77,7 +84,7 @@ class AudioOutputAuthorizationHandlerTest : public testing::Test {
         audio_thread_->task_runner(), audio_thread_->worker_task_runner(),
         &log_factory_));
     media_stream_manager_ =
-        base::MakeUnique<MediaStreamManager>(audio_manager_.get());
+        base::MakeUnique<MediaStreamManager>(audio_manager_.get(), new MockVideoCaptureObserver());
     // Make sure everything is done initializing:
     SyncWithAllThreads();
   }