Bug 1372501 - Add checking whether HLS mimetype is supported in DecoderTraits::IsSupportedInVideoDocument. r=jya

MozReview-Commit-ID: I3THa5v1DAf

--HG--
extra : rebase_source : f3bc582b2aee21db832ecb0482bdaa7b7a684b5e

dom/media/DecoderTraits.cpp

@@ -414,6 +414,9 @@ bool DecoderTraits::IsSupportedInVideoDocument(const nsACString& aType)
     MP3Decoder::IsSupportedType(*type) ||
     ADTSDecoder::IsSupportedType(*type) ||
     FlacDecoder::IsSupportedType(*type) ||
+#ifdef MOZ_ANDROID_HLS_SUPPORT
+    HLSDecoder::IsSupportedType(*type) ||
+#endif
     false;
 }