Add |legacy_destination_url| back to SessionMessage for EME

content/renderer/pepper/pepper_plugin_instance_impl.h

 // 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.
 
 #ifndef CONTENT_RENDERER_PEPPER_PEPPER_PLUGIN_INSTANCE_IMPL_H_
 #define CONTENT_RENDERER_PEPPER_PEPPER_PLUGIN_INSTANCE_IMPL_H_
 
 #include <list>
 #include <set>
 #include <string>
@@ skipping 461 matching lines @@
                                   uint32 promise_id,
                                   PP_Var web_session_id_var) override;
   void PromiseRejected(PP_Instance instance,
                        uint32 promise_id,
                        PP_CdmExceptionCode exception_code,
                        uint32 system_code,
                        PP_Var error_description_var) override;
   void SessionMessage(PP_Instance instance,
                       PP_Var web_session_id_var,
                       PP_CdmMessageType message_type,
-                      PP_Var message_var) override;
+                      PP_Var message_var,
+                      PP_Var legacy_destination_url) override;
   void SessionKeysChange(
       PP_Instance instance,
       PP_Var web_session_id_var,
       PP_Bool has_additional_usable_key,
       uint32_t key_count,
       const struct PP_KeyInformation key_information[]) override;
   void SessionExpirationChange(PP_Instance instance,
                                PP_Var web_session_id_var,
                                PP_Time new_expiry_time) override;
   void SessionClosed(PP_Instance instance, PP_Var web_session_id_var) override;
@@ skipping 429 matching lines @@
   // view change events.
   base::WeakPtrFactory<PepperPluginInstanceImpl> view_change_weak_ptr_factory_;
   base::WeakPtrFactory<PepperPluginInstanceImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(PepperPluginInstanceImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_PEPPER_PEPPER_PLUGIN_INSTANCE_IMPL_H_