media: Introduce Y8 and Y16 video pixel format

media/base/video_frame.cc

Index: media/base/video_frame.cc
diff --git a/media/base/video_frame.cc b/media/base/video_frame.cc
index 091ce4be7af6d75e94ee1f2b064ab27f6f3045b7..39c6ee346268afbea7b406879c3cb510eec092b2 100644
--- a/media/base/video_frame.cc
+++ b/media/base/video_frame.cc
@@ -125,7 +125,7 @@ bool VideoFrame::IsValidConfig(VideoPixelFormat format,
     return true;
 
   // Make sure new formats are properly accounted for in the method.
-  static_assert(PIXEL_FORMAT_MAX == 21,
+  static_assert(PIXEL_FORMAT_MAX == 23,
                 "Added pixel format, please review IsValidConfig()");
 
   if (format == PIXEL_FORMAT_UNKNOWN) {
@@ -535,6 +535,8 @@ size_t VideoFrame::NumPlanes(VideoPixelFormat format) {
     case PIXEL_FORMAT_RGB24:
     case PIXEL_FORMAT_RGB32:
     case PIXEL_FORMAT_MJPEG:
+    case PIXEL_FORMAT_Y8:
+    case PIXEL_FORMAT_Y16:
       return 1;
     case PIXEL_FORMAT_NV12:
     case PIXEL_FORMAT_NV21:
@@ -1065,6 +1067,8 @@ gfx::Size VideoFrame::SampleSize(VideoPixelFormat format, size_t plane) {
         case PIXEL_FORMAT_RGB24:
         case PIXEL_FORMAT_RGB32:
         case PIXEL_FORMAT_MJPEG:
+        case PIXEL_FORMAT_Y8:
+        case PIXEL_FORMAT_Y16:
           break;
       }
   }
@@ -1082,6 +1086,7 @@ int VideoFrame::BytesPerElement(VideoPixelFormat format, size_t plane) {
       return 4;
     case PIXEL_FORMAT_RGB24:
       return 3;
+    case PIXEL_FORMAT_Y16:
     case PIXEL_FORMAT_UYVY:
     case PIXEL_FORMAT_YUY2:
     case PIXEL_FORMAT_YUV420P9:
@@ -1103,6 +1108,7 @@ int VideoFrame::BytesPerElement(VideoPixelFormat format, size_t plane) {
     case PIXEL_FORMAT_YV16:
     case PIXEL_FORMAT_YV12A:
     case PIXEL_FORMAT_YV24:
+    case PIXEL_FORMAT_Y8:
       return 1;
     case PIXEL_FORMAT_MJPEG:
       return 0;