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

media/base/cdm_factory.h

Index: media/base/cdm_factory.h
diff --git a/media/base/cdm_factory.h b/media/base/cdm_factory.h
index f97c937cbde7416ce68c4ff01086b0c97fca65bd..02fe962e459513075b39acc3aa575da22090a41c 100644
--- a/media/base/cdm_factory.h
+++ b/media/base/cdm_factory.h
@@ -35,7 +35,6 @@ class MEDIA_EXPORT CdmFactory {
       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) = 0;