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

content/renderer/pepper/pepper_plugin_instance_impl.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 "content/renderer/pepper/pepper_plugin_instance_impl.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/bit_cast.h"
@@ skipping 2509 matching lines @@
     PP_Var error_description_var) {
   content_decryptor_delegate_->OnPromiseRejected(
       promise_id, exception_code, system_code, error_description_var);
 }
 
 void PepperPluginInstanceImpl::SessionMessage(PP_Instance instance,
                                               PP_Var session_id_var,
                                               PP_CdmMessageType message_type,
                                               PP_Var message_var,
                                               PP_Var legacy_destination_url) {
-  content_decryptor_delegate_->OnSessionMessage(
-      session_id_var, message_type, message_var, legacy_destination_url);
+  // |legacy_destination_url| is obsolete.
+  content_decryptor_delegate_->OnSessionMessage(session_id_var, message_type,
+                                                message_var);
 }
 
 void PepperPluginInstanceImpl::SessionKeysChange(
     PP_Instance instance,
     PP_Var session_id_var,
     PP_Bool has_additional_usable_key,
     uint32_t key_count,
     const struct PP_KeyInformation key_information[]) {
   content_decryptor_delegate_->OnSessionKeysChange(
       session_id_var, has_additional_usable_key, key_count, key_information);
@@ skipping 11 matching lines @@
                                              PP_Var session_id_var) {
   content_decryptor_delegate_->OnSessionClosed(session_id_var);
 }
 
 void PepperPluginInstanceImpl::LegacySessionError(
     PP_Instance instance,
     PP_Var session_id_var,
     PP_CdmExceptionCode exception_code,
     uint32_t system_code,
     PP_Var error_description_var) {
-  content_decryptor_delegate_->OnLegacySessionError(
-      session_id_var, exception_code, system_code, error_description_var);
+  // Obsolete.
 }
 
 void PepperPluginInstanceImpl::DeliverBlock(
     PP_Instance instance,
     PP_Resource decrypted_block,
     const PP_DecryptedBlockInfo* block_info) {
   content_decryptor_delegate_->DeliverBlock(decrypted_block, block_info);
 }
 
 void PepperPluginInstanceImpl::DecoderInitializeDone(
@@ skipping 867 matching lines @@
     const cc::TextureMailbox& mailbox) const {
   auto it =
       std::find_if(texture_ref_counts_.begin(), texture_ref_counts_.end(),
                    [&mailbox](const TextureMailboxRefCount& ref_count) {
                      return ref_count.first.mailbox() == mailbox.mailbox();
                    });
   return it != texture_ref_counts_.end();
 }
 
 }  // namespace content