Support HEVC through EME

chromecast/renderer/key_systems_cast.cc

Index: chromecast/renderer/key_systems_cast.cc
diff --git a/chromecast/renderer/key_systems_cast.cc b/chromecast/renderer/key_systems_cast.cc
index 952309fccb4c7100652e21487a96b8ab44558080..1f8ac9c0ed194c3d461b771c967ea23d48a67101 100644
--- a/chromecast/renderer/key_systems_cast.cc
+++ b/chromecast/renderer/key_systems_cast.cc
@@ -13,6 +13,7 @@
 #include "components/cdm/renderer/widevine_key_system_properties.h"
 #include "media/base/eme_constants.h"
 #include "media/base/key_system_properties.h"
+#include "media/media_features.h"
 
 #include "widevine_cdm_version.h" // In SHARED_INTERMEDIATE_DIR.
 
@@ -43,7 +44,12 @@ class PlayReadyKeySystemProperties : public ::media::KeySystemProperties {
   }
 
   SupportedCodecs GetSupportedCodecs() const override {
-    return ::media::EME_CODEC_MP4_AAC | ::media::EME_CODEC_MP4_AVC1;
+    SupportedCodecs codecs =
+        ::media::EME_CODEC_MP4_AAC | ::media::EME_CODEC_MP4_AVC1;
+#if BUILDFLAG(ENABLE_HEVC_DEMUXING)
+    codecs |= ::media::EME_CODEC_MP4_HEVC;
+#endif
+    return codecs;
   }
 
   EmeConfigRule GetRobustnessConfigRule(