Add |legacy_destination_url| back to SessionMessage for EME

media/cdm/proxy_decryptor.h

Index: media/cdm/proxy_decryptor.h
diff --git a/media/cdm/proxy_decryptor.h b/media/cdm/proxy_decryptor.h
index 6b77ec0a1f4aa36f7878881fc6842f5fa298fbf4..cad57001e0f21ecec813fe417e7b1a8e3839c526 100644
--- a/media/cdm/proxy_decryptor.h
+++ b/media/cdm/proxy_decryptor.h
@@ -73,7 +73,8 @@ class MEDIA_EXPORT ProxyDecryptor {
   // Callbacks for firing session events.
   void OnSessionMessage(const std::string& web_session_id,
                         MediaKeys::MessageType message_type,
-                        const std::vector<uint8>& message);
+                        const std::vector<uint8>& message,
+                        const GURL& legacy_destination_url);
   void OnSessionKeysChange(const std::string& web_session_id,
                            bool has_additional_usable_key,
                            CdmKeysInfo keys_info);