media: Use native DemuxerStream enum types in media mojo interfaces

media/mojo/interfaces/demuxer_stream.typemap

Index: media/mojo/interfaces/demuxer_stream.typemap
diff --git a/media/mojo/interfaces/decryptor.typemap b/media/mojo/interfaces/demuxer_stream.typemap
similarity index 56%
copy from media/mojo/interfaces/decryptor.typemap
copy to media/mojo/interfaces/demuxer_stream.typemap
index 0d2977f0071eb0f08d82f9cfaec0b7b5f42619c8..10cc17d6d1f73d639a30fce7ddec9346d4aef922 100644
--- a/media/mojo/interfaces/decryptor.typemap
+++ b/media/mojo/interfaces/demuxer_stream.typemap
@@ -2,9 +2,9 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
-mojom = "//media/mojo/interfaces/decryptor.mojom"
+mojom = "//media/mojo/interfaces/demuxer_stream.mojom"
 
-public_headers = [ "//media/base/decryptor.h" ]
+public_headers = [ "//media/base/demuxer_stream.h" ]
 
 traits_headers = [ "//media/base/ipc/media_param_traits_macros.h" ]
 
@@ -14,6 +14,6 @@ deps = [
 ]
 
 type_mappings = [
-  "media.mojom.Decryptor.Status=media::Decryptor::Status",
-  "media.mojom.Decryptor.StreamType=media::Decryptor::StreamType",
+  "media.mojom.DemuxerStream.Status=media::DemuxerStream::Status",
+  "media.mojom.DemuxerStream.Type=media::DemuxerStream::Type",
 ]