Pass camera facing info to audio client

content/browser/renderer_host/media/media_stream_dispatcher_host_unittest.cc

Index: content/browser/renderer_host/media/media_stream_dispatcher_host_unittest.cc
diff --git a/content/browser/renderer_host/media/media_stream_dispatcher_host_unittest.cc b/content/browser/renderer_host/media/media_stream_dispatcher_host_unittest.cc
index 1db3b4fc14d922510e5453937be904b04461d0fc..3bdf81119ba93aa27b95b13dd19d339a9a7f92e1 100644
--- a/content/browser/renderer_host/media/media_stream_dispatcher_host_unittest.cc
+++ b/content/browser/renderer_host/media/media_stream_dispatcher_host_unittest.cc
@@ -19,6 +19,7 @@
 #include "base/system_monitor/system_monitor.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "build/build_config.h"
+#include "component/arc/video_facing.h"
 #include "content/browser/browser_thread_impl.h"
 #include "content/browser/renderer_host/media/audio_input_device_manager.h"
 #include "content/browser/renderer_host/media/media_stream_manager.h"
@@ -72,6 +73,12 @@ void AudioInputDevicesEnumerated(base::Closure quit_closure,
   quit_closure.Run();
 }
 
+class MockVideoCaptureObserver : public component::VideoCaptureObserver {
+ public:
+  MOCK_METHOD1(OnVideoCaptureStarted, void(component::VideoFacingMode));
+  MOCK_METHOD1(OnVideoCaptureStopped, void(component::VideoFacingMode));
+};
+
 }  // namespace
 
 class MockMediaStreamDispatcherHost : public MediaStreamDispatcherHost,
@@ -232,7 +239,7 @@ class MediaStreamDispatcherHostTest : public testing::Test {
     base::CommandLine::ForCurrentProcess()->AppendSwitch(
         switches::kUseFakeDeviceForMediaStream);
     // Create our own MediaStreamManager.
-    media_stream_manager_.reset(new MediaStreamManager(audio_manager_.get()));
+    media_stream_manager_.reset(new MediaStreamManager(audio_manager_.get(), new MockVideoCaptureObserver()));
     video_capture_device_factory_ =
         static_cast<media::FakeVideoCaptureDeviceFactory*>(
             media_stream_manager_->video_capture_manager()