media: Introduce Y8 and Y16 video pixel format

media/base/video_types.cc

Index: media/base/video_types.cc
diff --git a/media/base/video_types.cc b/media/base/video_types.cc
index f8eeb3e1bb433e03cf390223173204664806611e..9059e87a7d075c9fdd7358cf321e5edf2c5c4f14 100644
--- a/media/base/video_types.cc
+++ b/media/base/video_types.cc
@@ -54,6 +54,10 @@ std::string VideoPixelFormatToString(VideoPixelFormat format) {
       return "PIXEL_FORMAT_YUV444P9";
     case PIXEL_FORMAT_YUV444P10:
       return "PIXEL_FORMAT_YUV444P10";
+    case PIXEL_FORMAT_Y8:
+      return "PIXEL_FORMAT_Y8";
+    case PIXEL_FORMAT_Y16:
+      return "PIXEL_FORMAT_Y16";
   }
   NOTREACHED() << "Invalid VideoPixelFormat provided: " << format;
   return "";
@@ -85,6 +89,8 @@ bool IsYuvPlanar(VideoPixelFormat format) {
     case PIXEL_FORMAT_RGB24:
     case PIXEL_FORMAT_RGB32:
     case PIXEL_FORMAT_MJPEG:
+    case PIXEL_FORMAT_Y8:
+    case PIXEL_FORMAT_Y16:
       return false;
   }
   return false;
@@ -111,6 +117,8 @@ bool IsOpaque(VideoPixelFormat format) {
     case PIXEL_FORMAT_YUV422P10:
     case PIXEL_FORMAT_YUV444P9:
     case PIXEL_FORMAT_YUV444P10:
+    case PIXEL_FORMAT_Y8:
+    case PIXEL_FORMAT_Y16:
       return true;
     case PIXEL_FORMAT_YV12A:
     case PIXEL_FORMAT_ARGB: