--- a/dom/media/platforms/wrappers/H264Converter.cpp
+++ b/dom/media/platforms/wrappers/H264Converter.cpp
@@ -147,16 +147,22 @@ H264Converter::CreateDecoder(DecoderDoct
     mTaskQueue,
     mCallback,
     aDiagnostics,
     mImageContainer,
     mLayersBackend,
     mGMPCrashHelper
   });
 
+  // TODO: Set not supported information fo decoder doctor.
+  // Need a method to get creation decoder fail status in PDM.
+  if (aDiagnostics) {
+
+  }
+
   if (!mDecoder) {
     mLastError = NS_ERROR_FAILURE;
     return NS_ERROR_FAILURE;
   }
   return NS_OK;
 }
 
 nsresult