Implement OnLegacySessionError() in CdmAdapter.

media/cdm/ppapi/cdm_adapter.h

 // Copyright 2013 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 MEDIA_CDM_PPAPI_CDM_ADAPTER_H_
 #define MEDIA_CDM_PPAPI_CDM_ADAPTER_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 103 matching lines @@
   void OnSessionMessage(const char* session_id,
                         uint32_t session_id_size,
                         cdm::MessageType message_type,
                         const char* message,
                         uint32_t message_size) override;
   void OnSessionKeysChange(const char* session_id,
                            uint32_t session_id_size,
                            bool has_additional_usable_key,
                            const cdm::KeyInformation* keys_info,
                            uint32_t keys_info_count) override;
+  void OnLegacySessionError(const char* session_id,
+                            uint32_t session_id_size,
+                            cdm::Error error,
+                            uint32_t system_code,
+                            const char* error_message,
+                            uint32_t error_message_size) override;
 
   // cdm::Host_6 implementation.
   void OnResolveKeyIdsPromise(uint32_t promise_id,
                               const cdm::BinaryData* usable_key_ids,
                               uint32_t usable_key_ids_size) override;
   void OnSessionMessage(const char* session_id,
                         uint32_t session_id_size,
                         const char* message,
                         uint32_t message_size,
                         const char* destination_url,
@@ skipping 146 matching lines @@
 
   uint32_t last_read_file_size_kb_;
   bool file_size_uma_reported_;
 
   DISALLOW_COPY_AND_ASSIGN(CdmAdapter);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_CDM_PPAPI_CDM_ADAPTER_H_