Pass camera facing to WebKit

media/capture/video_capture_types.h

Index: media/capture/video_capture_types.h
diff --git a/media/capture/video_capture_types.h b/media/capture/video_capture_types.h
index 7a6246beaf6cd2af413654378a8a60475302feff..c9461b528296e8666739e713b578169efdcd518a 100644
--- a/media/capture/video_capture_types.h
+++ b/media/capture/video_capture_types.h
@@ -28,6 +28,17 @@ enum VideoPixelStorage {
   PIXEL_STORAGE_MAX = PIXEL_STORAGE_CPU,
 };
 
+enum class VideoFacingMode {
+  // The source is facing toward the user (a self-view camera).
+  USER = 0,
+  // The source is facing away from the user (viewing the environment).
+  ENVIRONMENT,
+  // The source is facing to the left of the user.
+  LEFT,
+  // The source is facing to the right of the user.
+  RIGHT,
+};
+
 // Policies for capture devices that have source content that varies in size.
 // It is up to the implementation how the captured content will be transformed
 // (e.g., scaling and/or letterboxing) in order to produce video frames that