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);