EME: Remove obsolete legacy APIs related to versions of prefixed EME

media/mojo/clients/mojo_cdm_factory.cc

Index: media/mojo/clients/mojo_cdm_factory.cc
diff --git a/media/mojo/clients/mojo_cdm_factory.cc b/media/mojo/clients/mojo_cdm_factory.cc
index e25a564eed479d021eebba5144b8f62dad7ed3f7..e45ff09e8779d81370aa358cd46cc8728492bace 100644
--- a/media/mojo/clients/mojo_cdm_factory.cc
+++ b/media/mojo/clients/mojo_cdm_factory.cc
@@ -30,7 +30,6 @@ void MojoCdmFactory::Create(
     const CdmConfig& cdm_config,
     const SessionMessageCB& session_message_cb,
     const SessionClosedCB& session_closed_cb,
-    const LegacySessionErrorCB& legacy_session_error_cb,
     const SessionKeysChangeCB& session_keys_change_cb,
     const SessionExpirationUpdateCB& session_expiration_update_cb,
     const CdmCreatedCB& cdm_created_cb) {
@@ -56,8 +55,7 @@ void MojoCdmFactory::Create(
                                                       &cdm_ptr);
 
   MojoCdm::Create(key_system, security_origin, cdm_config, std::move(cdm_ptr),
-                  session_message_cb, session_closed_cb,
-                  legacy_session_error_cb, session_keys_change_cb,
+                  session_message_cb, session_closed_cb, session_keys_change_cb,
                   session_expiration_update_cb, cdm_created_cb);
 }