Add |legacy_destination_url| back to SessionMessage for EME

media/base/media_keys.h

 // Copyright 2013 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_BASE_MEDIA_KEYS_H_
 #define MEDIA_BASE_MEDIA_KEYS_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 121 matching lines @@
   MediaKeys();
 
  private:
   DISALLOW_COPY_AND_ASSIGN(MediaKeys);
 };
 
 // Key event callbacks. See the spec for details:
 // https://dvcs.w3.org/hg/html-media/raw-file/default/encrypted-media/encrypted-media.html#event-summary
 typedef base::Callback<void(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)>
     SessionMessageCB;
 
 typedef base::Callback<void(const std::string& web_session_id)> SessionClosedCB;
 
 typedef base::Callback<void(const std::string& web_session_id,
                             MediaKeys::Exception exception_code,
                             uint32 system_code,
                             const std::string& error_message)> SessionErrorCB;
 
 typedef base::Callback<void(const std::string& web_session_id,
                             bool has_additional_usable_key,
                             CdmKeysInfo keys_info)> SessionKeysChangeCB;
 
 typedef base::Callback<void(const std::string& web_session_id,
                             const base::Time& new_expiry_time)>
     SessionExpirationUpdateCB;
 
 }  // namespace media
 
 #endif  // MEDIA_BASE_MEDIA_KEYS_H_