EME contentType checks DolbyVision

chromecast/renderer/media/key_systems_cast.cc

Index: chromecast/renderer/media/key_systems_cast.cc
diff --git a/chromecast/renderer/media/key_systems_cast.cc b/chromecast/renderer/media/key_systems_cast.cc
index 1e297151fd06ad7a88211ba6ce294a8289b87e62..df31180a67cac149915b17371da4fa42df1eee66 100644
--- a/chromecast/renderer/media/key_systems_cast.cc
+++ b/chromecast/renderer/media/key_systems_cast.cc
@@ -49,6 +49,12 @@ class PlayReadyKeySystemProperties : public ::media::KeySystemProperties {
 #if BUILDFLAG(ENABLE_HEVC_DEMUXING)
     codecs |= ::media::EME_CODEC_MP4_HEVC;
 #endif
+#if BUILDFLAG(ENABLE_DOLBY_VISION_DEMUXING)
+    codecs |= ::media::EME_CODEC_MP4_DV_AVC;
+#if BUILDFLAG(ENABLE_HEVC_DEMUXING)
+    codecs |= ::media::EME_CODEC_MP4_DV_HEVC;
+#endif
+#endif
     return codecs;
   }
 
@@ -111,6 +117,12 @@ void AddChromecastKeySystems(
 #if BUILDFLAG(ENABLE_HEVC_DEMUXING)
   codecs |= ::media::EME_CODEC_MP4_HEVC;
 #endif
+#if BUILDFLAG(ENABLE_DOLBY_VISION_DEMUXING)
+  codecs |= ::media::EME_CODEC_MP4_DV_AVC;
+#if BUILDFLAG(ENABLE_HEVC_DEMUXING)
+  codecs |= ::media::EME_CODEC_MP4_DV_HEVC;
+#endif
+#endif
   key_systems_properties->emplace_back(new cdm::WidevineKeySystemProperties(
       codecs,                     // Regular codecs.
       Robustness::HW_SECURE_ALL,  // Max audio robustness.