diff -up chromium-75.0.3770.80/media/gpu/vaapi/vaapi_mjpeg_decode_accelerator.cc.va1compat chromium-75.0.3770.80/media/gpu/vaapi/vaapi_mjpeg_decode_accelerator.cc
--- chromium-75.0.3770.80/media/gpu/vaapi/vaapi_mjpeg_decode_accelerator.cc.va1compat	2019-06-05 11:35:57.274466969 -0400
+++ chromium-75.0.3770.80/media/gpu/vaapi/vaapi_mjpeg_decode_accelerator.cc	2019-06-05 11:36:17.201067326 -0400
@@ -39,6 +39,10 @@ enum VAJDADecoderFailure {
   VAJDA_DECODER_FAILURES_MAX,
 };
 
+#ifndef VA_FOURCC_I420
+#define VA_FOURCC_I420 VA_FOURCC('I', '4', '2', '0')
+#endif
+
 static void ReportToVAJDADecoderFailureUMA(VAJDADecoderFailure failure) {
   UMA_HISTOGRAM_ENUMERATION("Media.VAJDA.DecoderFailure", failure,
                             VAJDA_DECODER_FAILURES_MAX + 1);