use VideoColorSpace in decoder configuration

media/formats/webm/webm_colour_parser.h

Index: media/formats/webm/webm_colour_parser.h
diff --git a/media/formats/webm/webm_colour_parser.h b/media/formats/webm/webm_colour_parser.h
index dd7b0334c596ce0a15a1bfe5cdc6947bc0f4d1a8..8304e65f623ecaef00b49b5eb4bf4e47cf8da072 100644
--- a/media/formats/webm/webm_colour_parser.h
+++ b/media/formats/webm/webm_colour_parser.h
@@ -7,6 +7,7 @@
 
 #include "base/macros.h"
 #include "media/base/hdr_metadata.h"
+#include "media/base/video_color_space.h"
 #include "media/formats/webm/webm_parser.h"
 
 namespace media {
@@ -22,7 +23,7 @@ struct MEDIA_EXPORT WebMColorMetadata {
   unsigned ChromaSitingHorz = 0;
   unsigned ChromaSitingVert = 0;
 
-  gfx::ColorSpace color_space;
+  VideoColorSpace color_space;
 
   HDRMetadata hdr_metadata;