Add |legacy_destination_url| back to SessionMessage for EME

ppapi/cpp/private/content_decryptor_private.cc

 // Copyright (c) 2012 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.
 
 #include "ppapi/cpp/private/content_decryptor_private.h"
 
 #include <cstring>  // memcpy
 
 #include "ppapi/c/ppb_var.h"
 #include "ppapi/c/private/ppb_content_decryptor_private.h"
@@ skipping 290 matching lines @@
     pp::Var error_description_var(error_description);
     get_interface<PPB_ContentDecryptor_Private>()->PromiseRejected(
         associated_instance_.pp_instance(),
         promise_id,
         exception_code,
         system_code,
         error_description_var.pp_var());
   }
 }
 
-void ContentDecryptor_Private::SessionMessage(const std::string& web_session_id,
-                                              PP_CdmMessageType message_type,
-                                              pp::VarArrayBuffer message) {
+void ContentDecryptor_Private::SessionMessage(
+    const std::string& web_session_id,
+    PP_CdmMessageType message_type,
+    pp::VarArrayBuffer message,
+    const std::string& legacy_destination_url) {
   if (has_interface<PPB_ContentDecryptor_Private>()) {
     pp::Var web_session_id_var(web_session_id);
+    pp::Var legacy_destination_url_var(legacy_destination_url);
     get_interface<PPB_ContentDecryptor_Private>()->SessionMessage(
         associated_instance_.pp_instance(), web_session_id_var.pp_var(),
-        message_type, message.pp_var());
+        message_type, message.pp_var(), legacy_destination_url_var.pp_var());
   }
 }
 
 void ContentDecryptor_Private::SessionKeysChange(
     const std::string& web_session_id,
     bool has_additional_usable_key,
     const std::vector<PP_KeyInformation>& key_information) {
   if (has_interface<PPB_ContentDecryptor_Private>()) {
     pp::Var web_session_id_var(web_session_id);
     get_interface<PPB_ContentDecryptor_Private>()->SessionKeysChange(
@@ skipping 103 matching lines @@
     const PP_DecryptedSampleInfo& decrypted_sample_info) {
   if (has_interface<PPB_ContentDecryptor_Private>()) {
     get_interface<PPB_ContentDecryptor_Private>()->DeliverSamples(
         associated_instance_.pp_instance(),
         audio_frames.pp_resource(),
         &decrypted_sample_info);
   }
 }
 
 }  // namespace pp