Parse VPCodecConfiguration and extract VP9 profile

media/formats/mp4/box_definitions.h

Index: media/formats/mp4/box_definitions.h
diff --git a/media/formats/mp4/box_definitions.h b/media/formats/mp4/box_definitions.h
index 01138801bea9d590af1327fe37527646fb0c8fce..cb01ebfc4feb6844c8704f4f89d7fef055d2c642 100644
--- a/media/formats/mp4/box_definitions.h
+++ b/media/formats/mp4/box_definitions.h
@@ -224,6 +224,12 @@ struct MEDIA_EXPORT AVCDecoderConfigurationRecord : Box {
                      const scoped_refptr<MediaLog>& media_log);
 };
 
+struct MEDIA_EXPORT VPCodecConfigurationRecord : Box {
+  DECLARE_BOX_METHODS(VPCodecConfigurationRecord);
+
+  VideoCodecProfile profile;
+};
+
 struct MEDIA_EXPORT PixelAspectRatioBox : Box {
   DECLARE_BOX_METHODS(PixelAspectRatioBox);