Chromecast: temporary shim files for internal media codec callbacks.

chromecast/media/base/media_codec_support.h

+// Copyright 2015 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 CHROMECAST_MEDIA_BASE_MEDIA_CODEC_SUPPORT_H_
+#define CHROMECAST_MEDIA_BASE_MEDIA_CODEC_SUPPORT_H_
+
+#include <string>
+
+#include "base/callback.h"
+#include "net/base/mime_util.h"
+
+// TODO(gunsch/servolk): remove when this definition exists upstream.
+
+namespace net {
+typedef base::Callback<bool(const std::string&)> IsCodecSupportedCB;
+bool DefaultIsCodecSupported(const std::string&);
+}
+
+namespace chromecast {
+namespace media {
+
+// This function should return a callback capable of deciding whether a given
+// codec (passed in as a string representation of the codec id conforming to
+// RFC 6381) is supported or not. The implementation of this function is
+// expected to be provided somewhere in the vendor platform-specific libraries
+// that will get linked with cast_shell_common target.
+net::IsCodecSupportedCB GetIsCodecSupportedOnChromecastCB();
+
+}  // namespace media
+}  // namespace chromecast
+
+#endif  // CHROMECAST_MEDIA_BASE_MEDIA_CODEC_SUPPORT_H_
+