media: Use native CDM enum types in media mojo interfaces

media/mojo/clients/mojo_cdm.h

 // Copyright 2014 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_MOJO_CLIENTS_MOJO_CDM_H_
 #define MEDIA_MOJO_CLIENTS_MOJO_CDM_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 18 matching lines @@
 
 class MojoDecryptor;
 
 // A MediaKeys that proxies to a mojom::ContentDecryptionModule. That
 // mojom::ContentDecryptionModule proxies back to the MojoCdm via the
 // mojom::ContentDecryptionModuleClient interface.
 class MojoCdm : public MediaKeys,
                 public CdmContext,
                 public mojom::ContentDecryptionModuleClient {
  public:
+  using MessageType = MediaKeys::MessageType;
+
   static void Create(
       const std::string& key_system,
       const GURL& security_origin,
       const media::CdmConfig& cdm_config,
       mojom::ContentDecryptionModulePtr remote_cdm,
       const media::SessionMessageCB& session_message_cb,
       const media::SessionClosedCB& session_closed_cb,
       const media::SessionKeysChangeCB& session_keys_change_cb,
       const media::SessionExpirationUpdateCB& session_expiration_update_cb,
       const media::CdmCreatedCB& cdm_created_cb);
@@ skipping 34 matching lines @@
 
   void InitializeCdm(const std::string& key_system,
                      const GURL& security_origin,
                      const media::CdmConfig& cdm_config,
                      std::unique_ptr<CdmInitializedPromise> promise);
 
   void OnConnectionError();
 
   // mojom::ContentDecryptionModuleClient implementation.
   void OnSessionMessage(const std::string& session_id,
-                        mojom::CdmMessageType message_type,
+                        MessageType message_type,
                         const std::vector<uint8_t>& message) final;
   void OnSessionClosed(const std::string& session_id) final;
   void OnSessionKeysChange(
       const std::string& session_id,
       bool has_additional_usable_key,
       std::vector<mojom::CdmKeyInformationPtr> keys_info) final;
   void OnSessionExpirationUpdate(const std::string& session_id,
                                  double new_expiry_time_sec) final;
 
   // Callback for InitializeCdm.
@@ skipping 48 matching lines @@
 
   // This must be the last member.
   base::WeakPtrFactory<MojoCdm> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(MojoCdm);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_MOJO_CLIENTS_MOJO_CDM_H_