Revert of media config: expand is_encrypted to a struct.

chromecast/media/cma/ipc_streamer/encryption_scheme_marshaller.h

Index: chromecast/media/cma/ipc_streamer/encryption_scheme_marshaller.h
diff --git a/chromecast/media/cma/ipc_streamer/encryption_scheme_marshaller.h b/chromecast/media/cma/ipc_streamer/encryption_scheme_marshaller.h
deleted file mode 100644
index 0b3371b5d873299481fa51dbb7da3debff4db20f..0000000000000000000000000000000000000000
--- a/chromecast/media/cma/ipc_streamer/encryption_scheme_marshaller.h
+++ /dev/null
@@ -1,27 +0,0 @@
-// 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_CMA_IPC_STREAMER_ENCRYPTION_SCHEME_MARSHALLER_H_
-#define CHROMECAST_MEDIA_CMA_IPC_STREAMER_ENCRYPTION_SCHEME_MARSHALLER_H_
-
-#include "media/base/encryption_scheme.h"
-
-namespace chromecast {
-namespace media {
-class MediaMessage;
-
-class EncryptionSchemeMarshaller {
- public:
-  // Writes the serialized structure of |encryption_scheme| into |msg|.
-  static void Write(
-      const ::media::EncryptionScheme& encryption_scheme, MediaMessage* msg);
-
-  // Returns an EncryptionScheme from its serialized structure.
-  static ::media::EncryptionScheme Read(MediaMessage* msg);
-};
-
-}  // namespace media
-}  // namespace chromecast
-
-#endif  // CHROMECAST_MEDIA_CMA_IPC_STREAMER_ENCRYPTION_SCHEME_MARSHALLER_H_