Mojify demuxers and allow running {Chunk/FFmpeg}Demuxer in a Utility Process

media/mojo/interfaces/media_types.mojom

Index: media/mojo/interfaces/media_types.mojom
diff --git a/media/mojo/interfaces/media_types.mojom b/media/mojo/interfaces/media_types.mojom
index e2c9b26203731b21b349cdea30692971b221cc51..8859a41cf46b13f45332acae7818694f035b79a6 100644
--- a/media/mojo/interfaces/media_types.mojom
+++ b/media/mojo/interfaces/media_types.mojom
@@ -23,6 +23,10 @@ enum AudioCodec;
 [Native]
 enum ChannelLayout;
 
+// See base/memory/memory_pressure_listener.h for descriptions.
+[Native]
+enum MemoryPressureLevel;
+
 // See media/base/sample_format.h for descriptions.
 [Native]
 enum SampleFormat;
@@ -43,6 +47,10 @@ enum VideoCodec;
 [Native]
 enum VideoCodecProfile;
 
+// See media/base/pipeline_status.h for descriptions.
+[Native]
+enum PipelineStatus;
+
 // This defines a mojo transport format for media::EncryptionScheme::Pattern
 // See media/base/encryption_scheme.h for description.
 struct Pattern {
@@ -99,6 +107,47 @@ struct DecryptConfig {
   array<SubsampleEntry> subsamples;
 };
 
+// This defines a mojo transport format for media::MediaTrack.
+struct MediaTrack {
+  uint32 type;
+  string id;
+  int32 bytestream_track_id;
+  string kind;
+  string label;
+  string language;
+};
+
+// This defines a mojo transport format for media::MediaTracks.
+struct MediaTracks {
+  array<MediaTrack> tracks;
+};
+
+// This defines a mojo transport format for std::pair<base::TimeDelta, base::TimeDelta>.
+struct TimeDeltaPair {
+  mojo.common.mojom.TimeDelta start;
+  mojo.common.mojom.TimeDelta end;
+};
+
+// This defines a mojo transport format for media::Ranges<base::TimeDelta>.
+struct RangesTimeDelta {
+  array<TimeDeltaPair> ranges;
+};
+
+// This defines a mojo transport format for media::DataBuffer.
+struct DataBuffer {
+  mojo.common.mojom.TimeDelta timestamp;
+  mojo.common.mojom.TimeDelta duration;
+
+  // Whether the buffer is an end-of-stream (EOS) buffer.
+  bool is_end_of_stream;
+
+  // The number of bytes present in this buffer. The data is not serialized
+  // along with this structure and must be read from a separate DataPipe.
+  // Note that |data_size| could be zero even for a non-EOS buffer (e.g.
+  // with non-empty |size_data|). See http://crbug.com/663438
+  uint32 data_size;
+};
+
 // This defines a mojo transport format for media::DecoderBuffer.
 struct DecoderBuffer {
   mojo.common.mojom.TimeDelta timestamp;