Add |legacy_destination_url| back to SessionMessage for EME

media/mojo/interfaces/content_decryption_module.mojom

 // 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.
 
 module mojo;
 
 import "media/mojo/interfaces/decryptor.mojom";
 
 // Transport layer of media::MediaKeys::Exception (see media/base/media_keys.h).
 // This is used for ContentDecryptionModule (CDM) promise rejections.
@@ skipping 99 matching lines @@
   // - Implicit (null) decryptor: The client (e.g. media pipeline) will use the
   //   |cdm_id| to locate a decryptor and associate it with the client.
   // Note: In Chromium GetCdmContext() is a sync call. But we don't have an easy
   // way to support sync calls on a mojo interface. Instead the client should
   // generate a client side ID and pass it to the service.
   GetCdmContext(int32 cdm_id, Decryptor&? decryptor);
 };
 
 // Session callbacks. See media/base/media_keys.h for details.
 interface ContentDecryptionModuleClient {
-  OnSessionMessage(string session_id, CdmMessageType message_type, array<uint8> message);
+  OnSessionMessage(string session_id, CdmMessageType message_type,
+                   array<uint8> message, string legacy_destination_url);
 
   OnSessionClosed(string session_id);
 
   OnSessionError(string session_id, CdmException exception,
                  uint32 system_code, string error_message);
 
   OnSessionKeysChange(string session_id, bool has_additional_usable_key,
                       array<CdmKeyInformation> key_information);
 
   OnSessionExpirationUpdate(string session_id, int64 new_expiry_time_usec);
 };