Pass camera facing info to audio client

content/browser/renderer_host/media/video_capture_manager_unittest.cc

Index: content/browser/renderer_host/media/video_capture_manager_unittest.cc
diff --git a/content/browser/renderer_host/media/video_capture_manager_unittest.cc b/content/browser/renderer_host/media/video_capture_manager_unittest.cc
index 5c27849ccafc6c5de61a963d6e588d9d79edff2d..b143b02fedc27d81c4109c42dc4175f5c1abfba1 100644
--- a/content/browser/renderer_host/media/video_capture_manager_unittest.cc
+++ b/content/browser/renderer_host/media/video_capture_manager_unittest.cc
@@ -19,6 +19,7 @@
 #include "base/memory/ref_counted.h"
 #include "base/run_loop.h"
 #include "base/threading/thread_task_runner_handle.h"
+#include "component/arc/video_facing.h"
 #include "content/browser/renderer_host/media/media_stream_provider.h"
 #include "content/browser/renderer_host/media/video_capture_controller_event_handler.h"
 #include "content/common/media/media_stream_options.h"
@@ -150,6 +151,12 @@ class MockFrameObserver : public VideoCaptureControllerEventHandler {
   void OnGotControllerCallback(VideoCaptureControllerID) {}
 };
 
+class MockVideoCaptureObserver : public component::VideoCaptureObserver {
+ public:
+  MOCK_METHOD1(OnVideoCaptureStarted, void(component::VideoFacingMode));
+  MOCK_METHOD1(OnVideoCaptureStopped, void(component::VideoFacingMode));
+};
+
 }  // namespace
 
 // Test class
@@ -175,7 +182,8 @@ class VideoCaptureManagerTest : public testing::Test {
     listener_.reset(new MockMediaStreamProviderListener());
     vcm_ = new VideoCaptureManager(
         std::unique_ptr<media::VideoCaptureDeviceFactory>(
-            new WrappedDeviceFactory()));
+            new WrappedDeviceFactory()),
+        new MockVideoCaptureObserver());
     video_capture_device_factory_ = static_cast<WrappedDeviceFactory*>(
         vcm_->video_capture_device_factory());
     const int32_t kNumberOfFakeDevices = 2;