media: add basic MediaRenderer mojom and TypeConverters

media/mojo/services/media_type_converters.h

Index: media/mojo/services/media_type_converters.h
diff --git a/media/mojo/services/media_type_converters.h b/media/mojo/services/media_type_converters.h
new file mode 100644
index 0000000000000000000000000000000000000000..fdb418e05e0a22c4a714c8c80f7feba047891e78
--- /dev/null
+++ b/media/mojo/services/media_type_converters.h
@@ -0,0 +1,29 @@
+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef MEDIA_MOJO_SERVICES_MEDIA_TYPE_CONVERTERS_H_
+#define MEDIA_MOJO_SERVICES_MEDIA_TYPE_CONVERTERS_H_
+
+#include "base/memory/ref_counted.h"
+#include "media/mojo/interfaces/media_types.mojom.h"
+
+namespace media {
+class DecoderBuffer;
+}
+
+namespace mojo {
+
+template <>
+class TypeConverter<MediaDecoderBufferPtr,
+                    scoped_refptr<media::DecoderBuffer> > {
+ public:
+  static MediaDecoderBufferPtr ConvertFrom(
+      const scoped_refptr<media::DecoderBuffer> input);

[scherkus (not reviewing), 2014/09/02 23:50:20]

const-& ?

[xhwang, 2014/09/03 00:09:08]

nit: in media code, we pass scoped_refptr by const-ref. But feel free to use
whatever is default in the mojo world :)

[tim (not reviewing), 2014/09/03 00:43:50]

Oops. Syntactically valid typo :( Fixed.

+  static scoped_refptr<media::DecoderBuffer> ConvertTo(
+      const MediaDecoderBufferPtr& input);
+};
+
+}  // namespace mojo
+
+#endif  // MEDIA_MOJO_SERVICES_MEDIA_TYPE_CONVERTERS_H_