Pass camera facing to WebKit

third_party/WebKit/public/platform/WebMediaStreamTrack.h

Index: third_party/WebKit/public/platform/WebMediaStreamTrack.h
diff --git a/third_party/WebKit/public/platform/WebMediaStreamTrack.h b/third_party/WebKit/public/platform/WebMediaStreamTrack.h
index d9191b721badcf0e80afb731e5014a181312a689..2c23f9bc727ce099a8fcf19d4834cd2b3d567465 100644
--- a/third_party/WebKit/public/platform/WebMediaStreamTrack.h
+++ b/third_party/WebKit/public/platform/WebMediaStreamTrack.h
@@ -30,6 +30,8 @@
 #include "WebPrivatePtr.h"
 #include "WebString.h"
 
+#include "media/capture/mojo/video_capture_types.mojom-shared.h"
+
 namespace blink {
 
 class MediaStreamComponent;
@@ -51,6 +53,7 @@ class WebMediaStreamTrack {
     long width = -1;
     long height = -1;
     WebString deviceId;
+    media::mojom::VideoFacingMode facingMode;
   };
 
   class TrackData {