Issue #2101 - Part 1: Add mColorRange info to YCbCrBuffer

https://hg.mozilla.org/integration/autoland/rev/6f4c7904cda8

dom/media/MediaData.h

@@ -449,6 +449,7 @@ public:
 
     Plane mPlanes[3];
     YUVColorSpace mYUVColorSpace = YUVColorSpace::BT601;
+    ColorRange mColorRange = ColorRange::LIMITED;
   };
 
   // Constructs a VideoData object. If aImage is nullptr, creates a new Image

gfx/layers/ImageTypes.h

@@ -123,6 +123,12 @@ enum class YUVColorSpace {
   UNKNOWN,
 };
 
+enum class ColorRange {
+  LIMITED,
+  FULL,
+  UNKNOWN,
+};
+
 } // namespace mozilla
 
 #endif