media: Use native DecodeStatus in media mojo interfaces

media/mojo/common/media_type_converters.cc

Index: media/mojo/common/media_type_converters.cc
diff --git a/media/mojo/common/media_type_converters.cc b/media/mojo/common/media_type_converters.cc
index 41cc5f4065b87904a14a6d0a9aa81e07943a7c1e..2293d39f594487ef8fd4ebdeb7b387efa8b4d09f 100644
--- a/media/mojo/common/media_type_converters.cc
+++ b/media/mojo/common/media_type_converters.cc
@@ -47,11 +47,6 @@ namespace mojo {
           static_cast<media::media_enum>(media::mojom::media_enum::value), \
       "Mismatched enum: " #media_enum #value)
 
-// DecodeStatus.
-ASSERT_ENUM_CLASS_EQ(DecodeStatus, OK);
-ASSERT_ENUM_CLASS_EQ(DecodeStatus, ABORTED);
-ASSERT_ENUM_CLASS_EQ(DecodeStatus, DECODE_ERROR);
-
 // AudioCodec.
 ASSERT_ENUM_EQ_RAW(AudioCodec, kUnknownAudioCodec, AudioCodec::UNKNOWN);
 ASSERT_ENUM_EQ(AudioCodec, kCodec, , AAC);